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diff --git a/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/.gradle/buildOutputCleanup/buildOutputCleanup.lock
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diff --git a/.gradle/buildOutputCleanup/outputFiles.bin b/.gradle/buildOutputCleanup/outputFiles.bin
index 4596a5dacfc1f6dcbd7bbba0f48b40c6bd643b42..4dc7724f4565305c24cc538c8b1470fe0da37297 100644
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diff --git a/.idea/.name b/.idea/.name
new file mode 100644
index 0000000000000000000000000000000000000000..95e8c8096476aea33927862e831f53c46b852417
--- /dev/null
+++ b/.idea/.name
@@ -0,0 +1 @@
+GRPC_example
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index ba1ec5c7e20c12eb5b893684698eab151c4a8803..611e7c8ad7b91e576987485e8678b0fdad4193ae 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
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index 0000000000000000000000000000000000000000..94a25f7f4cb416c083d265558da75d457237d671
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 570b5bd8f014b5a4b4325e8f5dc04e7be85fee11..df25f810a7712a66d5a9decb72871ee55a2d0683 100644
--- a/README.md
+++ b/README.md
@@ -1,20 +1,6 @@
-# Setup ProtocolBuffer and GRPC
-This repository contains a simple example that enables you to test the environment for **ProtocolBuffer** and **GRPC**.
+# Lab3 Examples
 
-* You can import the project directly from a **V**ersion **C**ontrol **S**ystem, by providing the following URL: 
-https://ewserver.di.unimi.it/gitlab/riccardopresotto/setup_grpc.git
-
-<img src = './assets/img_1.png'>
-
-* Otherwise, take care to import the project as a Gradle Project
-
-* Compile the .proto files: 
-	1.  Open the terminal of the IntelliJ IDE
-	2. Run the following command:
-		* **Windows**: *gradlew build*
-		* **MacOS/Linux**: *./gradlew build*
-	3. Check if some files have been generated in the directory *setup_grpc/build/generated/source/proto/main/java*
-
-* The testing files are located in the directory: *setup_grpc/src/main/java/researcher*
+* Protocol Buffers
 
+* GRPC
 
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diff --git a/build/extracted-include-protos/main/google/api/annotations.proto b/build/extracted-include-protos/main/google/api/annotations.proto
new file mode 100644
index 0000000000000000000000000000000000000000..85c361b47fed2db6cc590e6db22358d80d030f4c
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/annotations.proto
@@ -0,0 +1,31 @@
+// Copyright (c) 2015, Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/http.proto";
+import "google/protobuf/descriptor.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations";
+option java_multiple_files = true;
+option java_outer_classname = "AnnotationsProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+extend google.protobuf.MethodOptions {
+  // See `HttpRule`.
+  HttpRule http = 72295728;
+}
diff --git a/build/extracted-include-protos/main/google/api/auth.proto b/build/extracted-include-protos/main/google/api/auth.proto
new file mode 100644
index 0000000000000000000000000000000000000000..cdbc1efe90ed2df16db91461ffb30ab97aa07ac8
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/auth.proto
@@ -0,0 +1,181 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "AuthProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// `Authentication` defines the authentication configuration for an API.
+//
+// Example for an API targeted for external use:
+//
+//     name: calendar.googleapis.com
+//     authentication:
+//       providers:
+//       - id: google_calendar_auth
+//         jwks_uri: https://www.googleapis.com/oauth2/v1/certs
+//         issuer: https://securetoken.google.com
+//       rules:
+//       - selector: "*"
+//         requirements:
+//           provider_id: google_calendar_auth
+message Authentication {
+  // A list of authentication rules that apply to individual API methods.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated AuthenticationRule rules = 3;
+
+  // Defines a set of authentication providers that a service supports.
+  repeated AuthProvider providers = 4;
+}
+
+// Authentication rules for the service.
+//
+// By default, if a method has any authentication requirements, every request
+// must include a valid credential matching one of the requirements.
+// It's an error to include more than one kind of credential in a single
+// request.
+//
+// If a method doesn't have any auth requirements, request credentials will be
+// ignored.
+message AuthenticationRule {
+  // Selects the methods to which this rule applies.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // The requirements for OAuth credentials.
+  OAuthRequirements oauth = 2;
+
+  // If true, the service accepts API keys without any other credential.
+  bool allow_without_credential = 5;
+
+  // Requirements for additional authentication providers.
+  repeated AuthRequirement requirements = 7;
+}
+
+// Configuration for an anthentication provider, including support for
+// [JSON Web Token (JWT)](https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32).
+message AuthProvider {
+  // The unique identifier of the auth provider. It will be referred to by
+  // `AuthRequirement.provider_id`.
+  //
+  // Example: "bookstore_auth".
+  string id = 1;
+
+  // Identifies the principal that issued the JWT. See
+  // https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32#section-4.1.1
+  // Usually a URL or an email address.
+  //
+  // Example: https://securetoken.google.com
+  // Example: 1234567-compute@developer.gserviceaccount.com
+  string issuer = 2;
+
+  // URL of the provider's public key set to validate signature of the JWT. See
+  // [OpenID Discovery](https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata).
+  // Optional if the key set document:
+  //  - can be retrieved from
+  //    [OpenID Discovery](https://openid.net/specs/openid-connect-discovery-1_0.html
+  //    of the issuer.
+  //  - can be inferred from the email domain of the issuer (e.g. a Google service account).
+  //
+  // Example: https://www.googleapis.com/oauth2/v1/certs
+  string jwks_uri = 3;
+
+  // The list of JWT
+  // [audiences](https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32#section-4.1.3).
+  // that are allowed to access. A JWT containing any of these audiences will
+  // be accepted. When this setting is absent, only JWTs with audience
+  // "https://[Service_name][google.api.Service.name]/[API_name][google.protobuf.Api.name]"
+  // will be accepted. For example, if no audiences are in the setting,
+  // LibraryService API will only accept JWTs with the following audience
+  // "https://library-example.googleapis.com/google.example.library.v1.LibraryService".
+  //
+  // Example:
+  //
+  //     audiences: bookstore_android.apps.googleusercontent.com,
+  //                bookstore_web.apps.googleusercontent.com
+  string audiences = 4;
+
+  // Redirect URL if JWT token is required but no present or is expired.
+  // Implement authorizationUrl of securityDefinitions in OpenAPI spec.
+  string authorization_url = 5;
+}
+
+// OAuth scopes are a way to define data and permissions on data. For example,
+// there are scopes defined for "Read-only access to Google Calendar" and
+// "Access to Cloud Platform". Users can consent to a scope for an application,
+// giving it permission to access that data on their behalf.
+//
+// OAuth scope specifications should be fairly coarse grained; a user will need
+// to see and understand the text description of what your scope means.
+//
+// In most cases: use one or at most two OAuth scopes for an entire family of
+// products. If your product has multiple APIs, you should probably be sharing
+// the OAuth scope across all of those APIs.
+//
+// When you need finer grained OAuth consent screens: talk with your product
+// management about how developers will use them in practice.
+//
+// Please note that even though each of the canonical scopes is enough for a
+// request to be accepted and passed to the backend, a request can still fail
+// due to the backend requiring additional scopes or permissions.
+message OAuthRequirements {
+  // The list of publicly documented OAuth scopes that are allowed access. An
+  // OAuth token containing any of these scopes will be accepted.
+  //
+  // Example:
+  //
+  //      canonical_scopes: https://www.googleapis.com/auth/calendar,
+  //                        https://www.googleapis.com/auth/calendar.read
+  string canonical_scopes = 1;
+}
+
+// User-defined authentication requirements, including support for
+// [JSON Web Token (JWT)](https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32).
+message AuthRequirement {
+  // [id][google.api.AuthProvider.id] from authentication provider.
+  //
+  // Example:
+  //
+  //     provider_id: bookstore_auth
+  string provider_id = 1;
+
+  // NOTE: This will be deprecated soon, once AuthProvider.audiences is
+  // implemented and accepted in all the runtime components.
+  //
+  // The list of JWT
+  // [audiences](https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32#section-4.1.3).
+  // that are allowed to access. A JWT containing any of these audiences will
+  // be accepted. When this setting is absent, only JWTs with audience
+  // "https://[Service_name][google.api.Service.name]/[API_name][google.protobuf.Api.name]"
+  // will be accepted. For example, if no audiences are in the setting,
+  // LibraryService API will only accept JWTs with the following audience
+  // "https://library-example.googleapis.com/google.example.library.v1.LibraryService".
+  //
+  // Example:
+  //
+  //     audiences: bookstore_android.apps.googleusercontent.com,
+  //                bookstore_web.apps.googleusercontent.com
+  string audiences = 2;
+}
diff --git a/build/extracted-include-protos/main/google/api/backend.proto b/build/extracted-include-protos/main/google/api/backend.proto
new file mode 100644
index 0000000000000000000000000000000000000000..dd22919d07d742ce5c40e8008c2ed992e0f15914
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/backend.proto
@@ -0,0 +1,51 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "BackendProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// `Backend` defines the backend configuration for a service.
+message Backend {
+  // A list of API backend rules that apply to individual API methods.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated BackendRule rules = 1;
+}
+
+// A backend rule provides configuration for an individual API element.
+message BackendRule {
+  // Selects the methods to which this rule applies.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // The address of the API backend.
+  string address = 2;
+
+  // The number of seconds to wait for a response from a request.  The default
+  // deadline for gRPC is infinite (no deadline) and HTTP requests is 5 seconds.
+  double deadline = 3;
+
+  // Minimum deadline in seconds needed for this method. Calls having deadline
+  // value lower than this will be rejected.
+  double min_deadline = 4;
+}
diff --git a/build/extracted-include-protos/main/google/api/billing.proto b/build/extracted-include-protos/main/google/api/billing.proto
new file mode 100644
index 0000000000000000000000000000000000000000..a20bd58f76e796b99b7673af317123d11a35add1
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/billing.proto
@@ -0,0 +1,68 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+import "google/api/metric.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "BillingProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Billing related configuration of the service.
+//
+// The following example shows how to configure monitored resources and metrics
+// for billing:
+//
+//     monitored_resources:
+//     - type: library.googleapis.com/branch
+//       labels:
+//       - key: /city
+//         description: The city where the library branch is located in.
+//       - key: /name
+//         description: The name of the branch.
+//     metrics:
+//     - name: library.googleapis.com/book/borrowed_count
+//       metric_kind: DELTA
+//       value_type: INT64
+//     billing:
+//       consumer_destinations:
+//       - monitored_resource: library.googleapis.com/branch
+//         metrics:
+//         - library.googleapis.com/book/borrowed_count
+message Billing {
+  // Configuration of a specific billing destination (Currently only support
+  // bill against consumer project).
+  message BillingDestination {
+    // The monitored resource type. The type must be defined in
+    // [Service.monitored_resources][google.api.Service.monitored_resources] section.
+    string monitored_resource = 1;
+
+    // Names of the metrics to report to this billing destination.
+    // Each name must be defined in [Service.metrics][google.api.Service.metrics] section.
+    repeated string metrics = 2;
+  }
+
+  // Billing configurations for sending metrics to the consumer project.
+  // There can be multiple consumer destinations per service, each one must have
+  // a different monitored resource type. A metric can be used in at most
+  // one consumer destination.
+  repeated BillingDestination consumer_destinations = 8;
+}
diff --git a/build/extracted-include-protos/main/google/api/config_change.proto b/build/extracted-include-protos/main/google/api/config_change.proto
new file mode 100644
index 0000000000000000000000000000000000000000..1e787931c16d436473a3d29f650a8874bcd8c005
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/config_change.proto
@@ -0,0 +1,85 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/configchange;configchange";
+option java_multiple_files = true;
+option java_outer_classname = "ConfigChangeProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Output generated from semantically comparing two versions of a service
+// configuration.
+//
+// Includes detailed information about a field that have changed with
+// applicable advice about potential consequences for the change, such as
+// backwards-incompatibility.
+message ConfigChange {
+  // Object hierarchy path to the change, with levels separated by a '.'
+  // character. For repeated fields, an applicable unique identifier field is
+  // used for the index (usually selector, name, or id). For maps, the term
+  // 'key' is used. If the field has no unique identifier, the numeric index
+  // is used.
+  // Examples:
+  // - visibility.rules[selector=="google.LibraryService.CreateBook"].restriction
+  // - quota.metric_rules[selector=="google"].metric_costs[key=="reads"].value
+  // - logging.producer_destinations[0]
+  string element = 1;
+
+  // Value of the changed object in the old Service configuration,
+  // in JSON format. This field will not be populated if ChangeType == ADDED.
+  string old_value = 2;
+
+  // Value of the changed object in the new Service configuration,
+  // in JSON format. This field will not be populated if ChangeType == REMOVED.
+  string new_value = 3;
+
+  // The type for this change, either ADDED, REMOVED, or MODIFIED.
+  ChangeType change_type = 4;
+
+  // Collection of advice provided for this change, useful for determining the
+  // possible impact of this change.
+  repeated Advice advices = 5;
+}
+
+// Generated advice about this change, used for providing more
+// information about how a change will affect the existing service.
+message Advice {
+  // Useful description for why this advice was applied and what actions should
+  // be taken to mitigate any implied risks.
+  string description = 2;
+}
+
+// Classifies set of possible modifications to an object in the service
+// configuration.
+enum ChangeType {
+  // No value was provided.
+  CHANGE_TYPE_UNSPECIFIED = 0;
+
+  // The changed object exists in the 'new' service configuration, but not
+  // in the 'old' service configuration.
+  ADDED = 1;
+
+  // The changed object exists in the 'old' service configuration, but not
+  // in the 'new' service configuration.
+  REMOVED = 2;
+
+  // The changed object exists in both service configurations, but its value
+  // is different.
+  MODIFIED = 3;
+}
diff --git a/build/extracted-include-protos/main/google/api/consumer.proto b/build/extracted-include-protos/main/google/api/consumer.proto
new file mode 100644
index 0000000000000000000000000000000000000000..4e963168efc985e338efb9da18b78df9e1ac9f87
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/consumer.proto
@@ -0,0 +1,83 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "ConsumerProto";
+option java_package = "com.google.api";
+
+
+// A descriptor for defining project properties for a service. One service may
+// have many consumer projects, and the service may want to behave differently
+// depending on some properties on the project. For example, a project may be
+// associated with a school, or a business, or a government agency, a business
+// type property on the project may affect how a service responds to the client.
+// This descriptor defines which properties are allowed to be set on a project.
+//
+// Example:
+//
+//    project_properties:
+//      properties:
+//      - name: NO_WATERMARK
+//        type: BOOL
+//        description: Allows usage of the API without watermarks.
+//      - name: EXTENDED_TILE_CACHE_PERIOD
+//        type: INT64
+message ProjectProperties {
+  // List of per consumer project-specific properties.
+  repeated Property properties = 1;
+}
+
+// Defines project properties.
+//
+// API services can define properties that can be assigned to consumer projects
+// so that backends can perform response customization without having to make
+// additional calls or maintain additional storage. For example, Maps API
+// defines properties that controls map tile cache period, or whether to embed a
+// watermark in a result.
+//
+// These values can be set via API producer console. Only API providers can
+// define and set these properties.
+message Property {
+  // Supported data type of the property values
+  enum PropertyType {
+    // The type is unspecified, and will result in an error.
+    UNSPECIFIED = 0;
+
+    // The type is `int64`.
+    INT64 = 1;
+
+    // The type is `bool`.
+    BOOL = 2;
+
+    // The type is `string`.
+    STRING = 3;
+
+    // The type is 'double'.
+    DOUBLE = 4;
+  }
+
+  // The name of the property (a.k.a key).
+  string name = 1;
+
+  // The type of this property.
+  PropertyType type = 2;
+
+  // The description of the property
+  string description = 3;
+}
diff --git a/build/extracted-include-protos/main/google/api/context.proto b/build/extracted-include-protos/main/google/api/context.proto
new file mode 100644
index 0000000000000000000000000000000000000000..fd03fcae916b5bb7edd4a0990b643400e623b8ad
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/context.proto
@@ -0,0 +1,63 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "ContextProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// `Context` defines which contexts an API requests.
+//
+// Example:
+//
+//     context:
+//       rules:
+//       - selector: "*"
+//         requested:
+//         - google.rpc.context.ProjectContext
+//         - google.rpc.context.OriginContext
+//
+// The above specifies that all methods in the API request
+// `google.rpc.context.ProjectContext` and
+// `google.rpc.context.OriginContext`.
+//
+// Available context types are defined in package
+// `google.rpc.context`.
+message Context {
+  // A list of RPC context rules that apply to individual API methods.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated ContextRule rules = 1;
+}
+
+// A context rule provides information about the context for an individual API
+// element.
+message ContextRule {
+  // Selects the methods to which this rule applies.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // A list of full type names of requested contexts.
+  repeated string requested = 2;
+
+  // A list of full type names of provided contexts.
+  repeated string provided = 3;
+}
diff --git a/build/extracted-include-protos/main/google/api/control.proto b/build/extracted-include-protos/main/google/api/control.proto
new file mode 100644
index 0000000000000000000000000000000000000000..772d61175f9562e00c95cd697d01fd54465a0108
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/control.proto
@@ -0,0 +1,33 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "ControlProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Selects and configures the service controller used by the service.  The
+// service controller handles features like abuse, quota, billing, logging,
+// monitoring, etc.
+message Control {
+  // The service control environment to use. If empty, no control plane
+  // feature (like quota and billing) will be enabled.
+  string environment = 1;
+}
diff --git a/build/extracted-include-protos/main/google/api/distribution.proto b/build/extracted-include-protos/main/google/api/distribution.proto
new file mode 100644
index 0000000000000000000000000000000000000000..2861e9b6f3af91e4fa806143f5938aafd10fcde2
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/distribution.proto
@@ -0,0 +1,185 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/distribution;distribution";
+option java_multiple_files = true;
+option java_outer_classname = "DistributionProto";
+option java_package = "com.google.api";
+
+
+// Distribution contains summary statistics for a population of values and,
+// optionally, a histogram representing the distribution of those values across
+// a specified set of histogram buckets.
+//
+// The summary statistics are the count, mean, sum of the squared deviation from
+// the mean, the minimum, and the maximum of the set of population of values.
+//
+// The histogram is based on a sequence of buckets and gives a count of values
+// that fall into each bucket.  The boundaries of the buckets are given either
+// explicitly or by specifying parameters for a method of computing them
+// (buckets of fixed width or buckets of exponentially increasing width).
+//
+// Although it is not forbidden, it is generally a bad idea to include
+// non-finite values (infinities or NaNs) in the population of values, as this
+// will render the `mean` and `sum_of_squared_deviation` fields meaningless.
+message Distribution {
+  // The range of the population values.
+  message Range {
+    // The minimum of the population values.
+    double min = 1;
+
+    // The maximum of the population values.
+    double max = 2;
+  }
+
+  // A Distribution may optionally contain a histogram of the values in the
+  // population.  The histogram is given in `bucket_counts` as counts of values
+  // that fall into one of a sequence of non-overlapping buckets.  The sequence
+  // of buckets is described by `bucket_options`.
+  //
+  // A bucket specifies an inclusive lower bound and exclusive upper bound for
+  // the values that are counted for that bucket.  The upper bound of a bucket
+  // is strictly greater than the lower bound.
+  //
+  // The sequence of N buckets for a Distribution consists of an underflow
+  // bucket (number 0), zero or more finite buckets (number 1 through N - 2) and
+  // an overflow bucket (number N - 1).  The buckets are contiguous:  the lower
+  // bound of bucket i (i > 0) is the same as the upper bound of bucket i - 1.
+  // The buckets span the whole range of finite values: lower bound of the
+  // underflow bucket is -infinity and the upper bound of the overflow bucket is
+  // +infinity.  The finite buckets are so-called because both bounds are
+  // finite.
+  //
+  // `BucketOptions` describes bucket boundaries in one of three ways.  Two
+  // describe the boundaries by giving parameters for a formula to generate
+  // boundaries and one gives the bucket boundaries explicitly.
+  //
+  // If `bucket_boundaries` is not given, then no `bucket_counts` may be given.
+  message BucketOptions {
+    // Specify a sequence of buckets that all have the same width (except
+    // overflow and underflow).  Each bucket represents a constant absolute
+    // uncertainty on the specific value in the bucket.
+    //
+    // Defines `num_finite_buckets + 2` (= N) buckets with these boundaries for
+    // bucket `i`:
+    //
+    //    Upper bound (0 <= i < N-1):     offset + (width * i).
+    //    Lower bound (1 <= i < N):       offset + (width * (i - 1)).
+    message Linear {
+      // Must be greater than 0.
+      int32 num_finite_buckets = 1;
+
+      // Must be greater than 0.
+      double width = 2;
+
+      // Lower bound of the first bucket.
+      double offset = 3;
+    }
+
+    // Specify a sequence of buckets that have a width that is proportional to
+    // the value of the lower bound.  Each bucket represents a constant relative
+    // uncertainty on a specific value in the bucket.
+    //
+    // Defines `num_finite_buckets + 2` (= N) buckets with these boundaries for
+    // bucket i:
+    //
+    //    Upper bound (0 <= i < N-1):     scale * (growth_factor ^ i).
+    //    Lower bound (1 <= i < N):       scale * (growth_factor ^ (i - 1)).
+    message Exponential {
+      // Must be greater than 0.
+      int32 num_finite_buckets = 1;
+
+      // Must be greater than 1.
+      double growth_factor = 2;
+
+      // Must be greater than 0.
+      double scale = 3;
+    }
+
+    // A set of buckets with arbitrary widths.
+    //
+    // Defines `size(bounds) + 1` (= N) buckets with these boundaries for
+    // bucket i:
+    //
+    //    Upper bound (0 <= i < N-1):     bounds[i]
+    //    Lower bound (1 <= i < N);       bounds[i - 1]
+    //
+    // There must be at least one element in `bounds`.  If `bounds` has only one
+    // element, there are no finite buckets, and that single element is the
+    // common boundary of the overflow and underflow buckets.
+    message Explicit {
+      // The values must be monotonically increasing.
+      repeated double bounds = 1;
+    }
+
+    // Exactly one of these three fields must be set.
+    oneof options {
+      // The linear bucket.
+      Linear linear_buckets = 1;
+
+      // The exponential buckets.
+      Exponential exponential_buckets = 2;
+
+      // The explicit buckets.
+      Explicit explicit_buckets = 3;
+    }
+  }
+
+  // The number of values in the population. Must be non-negative.
+  int64 count = 1;
+
+  // The arithmetic mean of the values in the population. If `count` is zero
+  // then this field must be zero.
+  double mean = 2;
+
+  // The sum of squared deviations from the mean of the values in the
+  // population.  For values x_i this is:
+  //
+  //     Sum[i=1..n]((x_i - mean)^2)
+  //
+  // Knuth, "The Art of Computer Programming", Vol. 2, page 323, 3rd edition
+  // describes Welford's method for accumulating this sum in one pass.
+  //
+  // If `count` is zero then this field must be zero.
+  double sum_of_squared_deviation = 3;
+
+  // If specified, contains the range of the population values. The field
+  // must not be present if the `count` is zero.
+  Range range = 4;
+
+  // Defines the histogram bucket boundaries.
+  BucketOptions bucket_options = 6;
+
+  // If `bucket_options` is given, then the sum of the values in `bucket_counts`
+  // must equal the value in `count`.  If `bucket_options` is not given, no
+  // `bucket_counts` fields may be given.
+  //
+  // Bucket counts are given in order under the numbering scheme described
+  // above (the underflow bucket has number 0; the finite buckets, if any,
+  // have numbers 1 through N-2; the overflow bucket has number N-1).
+  //
+  // The size of `bucket_counts` must be no greater than N as defined in
+  // `bucket_options`.
+  //
+  // Any suffix of trailing zero bucket_count fields may be omitted.
+  repeated int64 bucket_counts = 7;
+}
diff --git a/build/extracted-include-protos/main/google/api/documentation.proto b/build/extracted-include-protos/main/google/api/documentation.proto
new file mode 100644
index 0000000000000000000000000000000000000000..03cd73109a31aefbba8aa9624750977237ecd867
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/documentation.proto
@@ -0,0 +1,157 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "DocumentationProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// `Documentation` provides the information for describing a service.
+//
+// Example:
+// <pre><code>documentation:
+//   summary: >
+//     The Google Calendar API gives access
+//     to most calendar features.
+//   pages:
+//   - name: Overview
+//     content: &#40;== include google/foo/overview.md ==&#41;
+//   - name: Tutorial
+//     content: &#40;== include google/foo/tutorial.md ==&#41;
+//     subpages;
+//     - name: Java
+//       content: &#40;== include google/foo/tutorial_java.md ==&#41;
+//   rules:
+//   - selector: google.calendar.Calendar.Get
+//     description: >
+//       ...
+//   - selector: google.calendar.Calendar.Put
+//     description: >
+//       ...
+// </code></pre>
+// Documentation is provided in markdown syntax. In addition to
+// standard markdown features, definition lists, tables and fenced
+// code blocks are supported. Section headers can be provided and are
+// interpreted relative to the section nesting of the context where
+// a documentation fragment is embedded.
+//
+// Documentation from the IDL is merged with documentation defined
+// via the config at normalization time, where documentation provided
+// by config rules overrides IDL provided.
+//
+// A number of constructs specific to the API platform are supported
+// in documentation text.
+//
+// In order to reference a proto element, the following
+// notation can be used:
+// <pre><code>&#91;fully.qualified.proto.name]&#91;]</code></pre>
+// To override the display text used for the link, this can be used:
+// <pre><code>&#91;display text]&#91;fully.qualified.proto.name]</code></pre>
+// Text can be excluded from doc using the following notation:
+// <pre><code>&#40;-- internal comment --&#41;</code></pre>
+//
+// A few directives are available in documentation. Note that
+// directives must appear on a single line to be properly
+// identified. The `include` directive includes a markdown file from
+// an external source:
+// <pre><code>&#40;== include path/to/file ==&#41;</code></pre>
+// The `resource_for` directive marks a message to be the resource of
+// a collection in REST view. If it is not specified, tools attempt
+// to infer the resource from the operations in a collection:
+// <pre><code>&#40;== resource_for v1.shelves.books ==&#41;</code></pre>
+// The directive `suppress_warning` does not directly affect documentation
+// and is documented together with service config validation.
+message Documentation {
+  // A short summary of what the service does. Can only be provided by
+  // plain text.
+  string summary = 1;
+
+  // The top level pages for the documentation set.
+  repeated Page pages = 5;
+
+  // A list of documentation rules that apply to individual API elements.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated DocumentationRule rules = 3;
+
+  // The URL to the root of documentation.
+  string documentation_root_url = 4;
+
+  // Declares a single overview page. For example:
+  // <pre><code>documentation:
+  //   summary: ...
+  //   overview: &#40;== include overview.md ==&#41;
+  // </code></pre>
+  // This is a shortcut for the following declaration (using pages style):
+  // <pre><code>documentation:
+  //   summary: ...
+  //   pages:
+  //   - name: Overview
+  //     content: &#40;== include overview.md ==&#41;
+  // </code></pre>
+  // Note: you cannot specify both `overview` field and `pages` field.
+  string overview = 2;
+}
+
+// A documentation rule provides information about individual API elements.
+message DocumentationRule {
+  // The selector is a comma-separated list of patterns. Each pattern is a
+  // qualified name of the element which may end in "*", indicating a wildcard.
+  // Wildcards are only allowed at the end and for a whole component of the
+  // qualified name, i.e. "foo.*" is ok, but not "foo.b*" or "foo.*.bar". To
+  // specify a default for all applicable elements, the whole pattern "*"
+  // is used.
+  string selector = 1;
+
+  // Description of the selected API(s).
+  string description = 2;
+
+  // Deprecation description of the selected element(s). It can be provided if an
+  // element is marked as `deprecated`.
+  string deprecation_description = 3;
+}
+
+// Represents a documentation page. A page can contain subpages to represent
+// nested documentation set structure.
+message Page {
+  // The name of the page. It will be used as an identity of the page to
+  // generate URI of the page, text of the link to this page in navigation,
+  // etc. The full page name (start from the root page name to this page
+  // concatenated with `.`) can be used as reference to the page in your
+  // documentation. For example:
+  // <pre><code>pages:
+  // - name: Tutorial
+  //   content: &#40;== include tutorial.md ==&#41;
+  //   subpages:
+  //   - name: Java
+  //     content: &#40;== include tutorial_java.md ==&#41;
+  // </code></pre>
+  // You can reference `Java` page using Markdown reference link syntax:
+  // `[Java][Tutorial.Java]`.
+  string name = 1;
+
+  // The Markdown content of the page. You can use <code>&#40;== include {path} ==&#41;</code>
+  // to include content from a Markdown file.
+  string content = 2;
+
+  // Subpages of this page. The order of subpages specified here will be
+  // honored in the generated docset.
+  repeated Page subpages = 3;
+}
diff --git a/build/extracted-include-protos/main/google/api/endpoint.proto b/build/extracted-include-protos/main/google/api/endpoint.proto
new file mode 100644
index 0000000000000000000000000000000000000000..c7bb13b0377f723b5b98499cc9af78503cb95c09
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/endpoint.proto
@@ -0,0 +1,71 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "EndpointProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// `Endpoint` describes a network endpoint that serves a set of APIs.
+// A service may expose any number of endpoints, and all endpoints share the
+// same service configuration, such as quota configuration and monitoring
+// configuration.
+//
+// Example service configuration:
+//
+//     name: library-example.googleapis.com
+//     endpoints:
+//       # Below entry makes 'google.example.library.v1.Library'
+//       # API be served from endpoint address library-example.googleapis.com.
+//       # It also allows HTTP OPTIONS calls to be passed to the backend, for
+//       # it to decide whether the subsequent cross-origin request is
+//       # allowed to proceed.
+//     - name: library-example.googleapis.com
+//       allow_cors: true
+message Endpoint {
+  // The canonical name of this endpoint.
+  string name = 1;
+
+  // DEPRECATED: This field is no longer supported. Instead of using aliases,
+  // please specify multiple [google.api.Endpoint][google.api.Endpoint] for each of the intended
+  // aliases.
+  //
+  // Additional names that this endpoint will be hosted on.
+  repeated string aliases = 2;
+
+  // The list of features enabled on this endpoint.
+  repeated string features = 4;
+
+  // The specification of an Internet routable address of API frontend that will
+  // handle requests to this [API Endpoint](https://cloud.google.com/apis/design/glossary).
+  // It should be either a valid IPv4 address or a fully-qualified domain name.
+  // For example, "8.8.8.8" or "myservice.appspot.com".
+  string target = 101;
+
+  // Allowing
+  // [CORS](https://en.wikipedia.org/wiki/Cross-origin_resource_sharing), aka
+  // cross-domain traffic, would allow the backends served from this endpoint to
+  // receive and respond to HTTP OPTIONS requests. The response will be used by
+  // the browser to determine whether the subsequent cross-origin request is
+  // allowed to proceed.
+  bool allow_cors = 5;
+}
diff --git a/build/extracted-include-protos/main/google/api/experimental/authorization_config.proto b/build/extracted-include-protos/main/google/api/experimental/authorization_config.proto
new file mode 100644
index 0000000000000000000000000000000000000000..21b35af48e33b1e7f09b06d4fb7582080c0e0f76
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/experimental/authorization_config.proto
@@ -0,0 +1,40 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api;api";
+option java_multiple_files = true;
+option java_outer_classname = "AuthorizationConfigProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Configuration of authorization.
+//
+// This section determines the authorization provider, if unspecified, then no
+// authorization check will be done.
+//
+// Example:
+//
+//     experimental:
+//       authorization:
+//         provider: firebaserules.googleapis.com
+message AuthorizationConfig {
+  // The name of the authorization provider, such as
+  // firebaserules.googleapis.com.
+  string provider = 1;
+}
diff --git a/build/extracted-include-protos/main/google/api/experimental/experimental.proto b/build/extracted-include-protos/main/google/api/experimental/experimental.proto
new file mode 100644
index 0000000000000000000000000000000000000000..a839cee57750eac0536ace9282db565370636a4a
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/experimental/experimental.proto
@@ -0,0 +1,34 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+import "google/api/experimental/authorization_config.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api;api";
+option java_multiple_files = true;
+option java_outer_classname = "ExperimentalProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Experimental service configuration. These configuration options can
+// only be used by whitelisted users.
+message Experimental {
+  // Authorization configuration.
+  AuthorizationConfig authorization = 8;
+}
diff --git a/build/extracted-include-protos/main/google/api/http.proto b/build/extracted-include-protos/main/google/api/http.proto
new file mode 100644
index 0000000000000000000000000000000000000000..78d515d4b6a1bc7914a72b443479d9baa0b2d972
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/http.proto
@@ -0,0 +1,313 @@
+// Copyright 2018 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option cc_enable_arenas = true;
+option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations";
+option java_multiple_files = true;
+option java_outer_classname = "HttpProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Defines the HTTP configuration for an API service. It contains a list of
+// [HttpRule][google.api.HttpRule], each specifying the mapping of an RPC method
+// to one or more HTTP REST API methods.
+message Http {
+  // A list of HTTP configuration rules that apply to individual API methods.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated HttpRule rules = 1;
+
+  // When set to true, URL path parmeters will be fully URI-decoded except in
+  // cases of single segment matches in reserved expansion, where "%2F" will be
+  // left encoded.
+  //
+  // The default behavior is to not decode RFC 6570 reserved characters in multi
+  // segment matches.
+  bool fully_decode_reserved_expansion = 2;
+}
+
+// `HttpRule` defines the mapping of an RPC method to one or more HTTP
+// REST API methods. The mapping specifies how different portions of the RPC
+// request message are mapped to URL path, URL query parameters, and
+// HTTP request body. The mapping is typically specified as an
+// `google.api.http` annotation on the RPC method,
+// see "google/api/annotations.proto" for details.
+//
+// The mapping consists of a field specifying the path template and
+// method kind.  The path template can refer to fields in the request
+// message, as in the example below which describes a REST GET
+// operation on a resource collection of messages:
+//
+//
+//     service Messaging {
+//       rpc GetMessage(GetMessageRequest) returns (Message) {
+//         option (google.api.http).get = "/v1/messages/{message_id}/{sub.subfield}";
+//       }
+//     }
+//     message GetMessageRequest {
+//       message SubMessage {
+//         string subfield = 1;
+//       }
+//       string message_id = 1; // mapped to the URL
+//       SubMessage sub = 2;    // `sub.subfield` is url-mapped
+//     }
+//     message Message {
+//       string text = 1; // content of the resource
+//     }
+//
+// The same http annotation can alternatively be expressed inside the
+// `GRPC API Configuration` YAML file.
+//
+//     http:
+//       rules:
+//         - selector: <proto_package_name>.Messaging.GetMessage
+//           get: /v1/messages/{message_id}/{sub.subfield}
+//
+// This definition enables an automatic, bidrectional mapping of HTTP
+// JSON to RPC. Example:
+//
+// HTTP | RPC
+// -----|-----
+// `GET /v1/messages/123456/foo`  | `GetMessage(message_id: "123456" sub: SubMessage(subfield: "foo"))`
+//
+// In general, not only fields but also field paths can be referenced
+// from a path pattern. Fields mapped to the path pattern cannot be
+// repeated and must have a primitive (non-message) type.
+//
+// Any fields in the request message which are not bound by the path
+// pattern automatically become (optional) HTTP query
+// parameters. Assume the following definition of the request message:
+//
+//
+//     service Messaging {
+//       rpc GetMessage(GetMessageRequest) returns (Message) {
+//         option (google.api.http).get = "/v1/messages/{message_id}";
+//       }
+//     }
+//     message GetMessageRequest {
+//       message SubMessage {
+//         string subfield = 1;
+//       }
+//       string message_id = 1; // mapped to the URL
+//       int64 revision = 2;    // becomes a parameter
+//       SubMessage sub = 3;    // `sub.subfield` becomes a parameter
+//     }
+//
+//
+// This enables a HTTP JSON to RPC mapping as below:
+//
+// HTTP | RPC
+// -----|-----
+// `GET /v1/messages/123456?revision=2&sub.subfield=foo` | `GetMessage(message_id: "123456" revision: 2 sub: SubMessage(subfield: "foo"))`
+//
+// Note that fields which are mapped to HTTP parameters must have a
+// primitive type or a repeated primitive type. Message types are not
+// allowed. In the case of a repeated type, the parameter can be
+// repeated in the URL, as in `...?param=A&param=B`.
+//
+// For HTTP method kinds which allow a request body, the `body` field
+// specifies the mapping. Consider a REST update method on the
+// message resource collection:
+//
+//
+//     service Messaging {
+//       rpc UpdateMessage(UpdateMessageRequest) returns (Message) {
+//         option (google.api.http) = {
+//           put: "/v1/messages/{message_id}"
+//           body: "message"
+//         };
+//       }
+//     }
+//     message UpdateMessageRequest {
+//       string message_id = 1; // mapped to the URL
+//       Message message = 2;   // mapped to the body
+//     }
+//
+//
+// The following HTTP JSON to RPC mapping is enabled, where the
+// representation of the JSON in the request body is determined by
+// protos JSON encoding:
+//
+// HTTP | RPC
+// -----|-----
+// `PUT /v1/messages/123456 { "text": "Hi!" }` | `UpdateMessage(message_id: "123456" message { text: "Hi!" })`
+//
+// The special name `*` can be used in the body mapping to define that
+// every field not bound by the path template should be mapped to the
+// request body.  This enables the following alternative definition of
+// the update method:
+//
+//     service Messaging {
+//       rpc UpdateMessage(Message) returns (Message) {
+//         option (google.api.http) = {
+//           put: "/v1/messages/{message_id}"
+//           body: "*"
+//         };
+//       }
+//     }
+//     message Message {
+//       string message_id = 1;
+//       string text = 2;
+//     }
+//
+//
+// The following HTTP JSON to RPC mapping is enabled:
+//
+// HTTP | RPC
+// -----|-----
+// `PUT /v1/messages/123456 { "text": "Hi!" }` | `UpdateMessage(message_id: "123456" text: "Hi!")`
+//
+// Note that when using `*` in the body mapping, it is not possible to
+// have HTTP parameters, as all fields not bound by the path end in
+// the body. This makes this option more rarely used in practice of
+// defining REST APIs. The common usage of `*` is in custom methods
+// which don't use the URL at all for transferring data.
+//
+// It is possible to define multiple HTTP methods for one RPC by using
+// the `additional_bindings` option. Example:
+//
+//     service Messaging {
+//       rpc GetMessage(GetMessageRequest) returns (Message) {
+//         option (google.api.http) = {
+//           get: "/v1/messages/{message_id}"
+//           additional_bindings {
+//             get: "/v1/users/{user_id}/messages/{message_id}"
+//           }
+//         };
+//       }
+//     }
+//     message GetMessageRequest {
+//       string message_id = 1;
+//       string user_id = 2;
+//     }
+//
+//
+// This enables the following two alternative HTTP JSON to RPC
+// mappings:
+//
+// HTTP | RPC
+// -----|-----
+// `GET /v1/messages/123456` | `GetMessage(message_id: "123456")`
+// `GET /v1/users/me/messages/123456` | `GetMessage(user_id: "me" message_id: "123456")`
+//
+// # Rules for HTTP mapping
+//
+// The rules for mapping HTTP path, query parameters, and body fields
+// to the request message are as follows:
+//
+// 1. The `body` field specifies either `*` or a field path, or is
+//    omitted. If omitted, it indicates there is no HTTP request body.
+// 2. Leaf fields (recursive expansion of nested messages in the
+//    request) can be classified into three types:
+//     (a) Matched in the URL template.
+//     (b) Covered by body (if body is `*`, everything except (a) fields;
+//         else everything under the body field)
+//     (c) All other fields.
+// 3. URL query parameters found in the HTTP request are mapped to (c) fields.
+// 4. Any body sent with an HTTP request can contain only (b) fields.
+//
+// The syntax of the path template is as follows:
+//
+//     Template = "/" Segments [ Verb ] ;
+//     Segments = Segment { "/" Segment } ;
+//     Segment  = "*" | "**" | LITERAL | Variable ;
+//     Variable = "{" FieldPath [ "=" Segments ] "}" ;
+//     FieldPath = IDENT { "." IDENT } ;
+//     Verb     = ":" LITERAL ;
+//
+// The syntax `*` matches a single path segment. The syntax `**` matches zero
+// or more path segments, which must be the last part of the path except the
+// `Verb`. The syntax `LITERAL` matches literal text in the path.
+//
+// The syntax `Variable` matches part of the URL path as specified by its
+// template. A variable template must not contain other variables. If a variable
+// matches a single path segment, its template may be omitted, e.g. `{var}`
+// is equivalent to `{var=*}`.
+//
+// If a variable contains exactly one path segment, such as `"{var}"` or
+// `"{var=*}"`, when such a variable is expanded into a URL path, all characters
+// except `[-_.~0-9a-zA-Z]` are percent-encoded. Such variables show up in the
+// Discovery Document as `{var}`.
+//
+// If a variable contains one or more path segments, such as `"{var=foo/*}"`
+// or `"{var=**}"`, when such a variable is expanded into a URL path, all
+// characters except `[-_.~/0-9a-zA-Z]` are percent-encoded. Such variables
+// show up in the Discovery Document as `{+var}`.
+//
+// NOTE: While the single segment variable matches the semantics of
+// [RFC 6570](https://tools.ietf.org/html/rfc6570) Section 3.2.2
+// Simple String Expansion, the multi segment variable **does not** match
+// RFC 6570 Reserved Expansion. The reason is that the Reserved Expansion
+// does not expand special characters like `?` and `#`, which would lead
+// to invalid URLs.
+//
+// NOTE: the field paths in variables and in the `body` must not refer to
+// repeated fields or map fields.
+message HttpRule {
+  // Selects methods to which this rule applies.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // Determines the URL pattern is matched by this rules. This pattern can be
+  // used with any of the {get|put|post|delete|patch} methods. A custom method
+  // can be defined using the 'custom' field.
+  oneof pattern {
+    // Used for listing and getting information about resources.
+    string get = 2;
+
+    // Used for updating a resource.
+    string put = 3;
+
+    // Used for creating a resource.
+    string post = 4;
+
+    // Used for deleting a resource.
+    string delete = 5;
+
+    // Used for updating a resource.
+    string patch = 6;
+
+    // The custom pattern is used for specifying an HTTP method that is not
+    // included in the `pattern` field, such as HEAD, or "*" to leave the
+    // HTTP method unspecified for this rule. The wild-card rule is useful
+    // for services that provide content to Web (HTML) clients.
+    CustomHttpPattern custom = 8;
+  }
+
+  // The name of the request field whose value is mapped to the HTTP body, or
+  // `*` for mapping all fields not captured by the path pattern to the HTTP
+  // body. NOTE: the referred field must not be a repeated field and must be
+  // present at the top-level of request message type.
+  string body = 7;
+
+  // Additional HTTP bindings for the selector. Nested bindings must
+  // not contain an `additional_bindings` field themselves (that is,
+  // the nesting may only be one level deep).
+  repeated HttpRule additional_bindings = 11;
+}
+
+// A custom pattern is used for defining custom HTTP verb.
+message CustomHttpPattern {
+  // The name of this custom HTTP verb.
+  string kind = 1;
+
+  // The path matched by this custom verb.
+  string path = 2;
+}
diff --git a/build/extracted-include-protos/main/google/api/httpbody.proto b/build/extracted-include-protos/main/google/api/httpbody.proto
new file mode 100644
index 0000000000000000000000000000000000000000..0e86e267d75126dfd652f1ba5750e625e987785c
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/httpbody.proto
@@ -0,0 +1,76 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/protobuf/any.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/httpbody;httpbody";
+option java_multiple_files = true;
+option java_outer_classname = "HttpBodyProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Message that represents an arbitrary HTTP body. It should only be used for
+// payload formats that can't be represented as JSON, such as raw binary or
+// an HTML page.
+//
+//
+// This message can be used both in streaming and non-streaming API methods in
+// the request as well as the response.
+//
+// It can be used as a top-level request field, which is convenient if one
+// wants to extract parameters from either the URL or HTTP template into the
+// request fields and also want access to the raw HTTP body.
+//
+// Example:
+//
+//     message GetResourceRequest {
+//       // A unique request id.
+//       string request_id = 1;
+//
+//       // The raw HTTP body is bound to this field.
+//       google.api.HttpBody http_body = 2;
+//     }
+//
+//     service ResourceService {
+//       rpc GetResource(GetResourceRequest) returns (google.api.HttpBody);
+//       rpc UpdateResource(google.api.HttpBody) returns (google.protobuf.Empty);
+//     }
+//
+// Example with streaming methods:
+//
+//     service CaldavService {
+//       rpc GetCalendar(stream google.api.HttpBody)
+//         returns (stream google.api.HttpBody);
+//       rpc UpdateCalendar(stream google.api.HttpBody)
+//         returns (stream google.api.HttpBody);
+//     }
+//
+// Use of this type only changes how the request and response bodies are
+// handled, all other features will continue to work unchanged.
+message HttpBody {
+  // The HTTP Content-Type string representing the content type of the body.
+  string content_type = 1;
+
+  // HTTP body binary data.
+  bytes data = 2;
+
+  // Application specific response metadata. Must be set in the first response
+  // for streaming APIs.
+  repeated google.protobuf.Any extensions = 3;
+}
diff --git a/build/extracted-include-protos/main/google/api/label.proto b/build/extracted-include-protos/main/google/api/label.proto
new file mode 100644
index 0000000000000000000000000000000000000000..3c20752ceb975ec46df4326c610d73bab4e031dc
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/label.proto
@@ -0,0 +1,49 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option cc_enable_arenas = true;
+option go_package = "google.golang.org/genproto/googleapis/api/label;label";
+option java_multiple_files = true;
+option java_outer_classname = "LabelProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// A description of a label.
+message LabelDescriptor {
+  // Value types that can be used as label values.
+  enum ValueType {
+    // A variable-length string. This is the default.
+    STRING = 0;
+
+    // Boolean; true or false.
+    BOOL = 1;
+
+    // A 64-bit signed integer.
+    INT64 = 2;
+  }
+
+  // The label key.
+  string key = 1;
+
+  // The type of data that can be assigned to the label.
+  ValueType value_type = 2;
+
+  // A human-readable description for the label.
+  string description = 3;
+}
diff --git a/build/extracted-include-protos/main/google/api/log.proto b/build/extracted-include-protos/main/google/api/log.proto
new file mode 100644
index 0000000000000000000000000000000000000000..673b5245ab24404cb9b80d214eb8d01a0cece971
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/log.proto
@@ -0,0 +1,55 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/label.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "LogProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// A description of a log type. Example in YAML format:
+//
+//     - name: library.googleapis.com/activity_history
+//       description: The history of borrowing and returning library items.
+//       display_name: Activity
+//       labels:
+//       - key: /customer_id
+//         description: Identifier of a library customer
+message LogDescriptor {
+  // The name of the log. It must be less than 512 characters long and can
+  // include the following characters: upper- and lower-case alphanumeric
+  // characters [A-Za-z0-9], and punctuation characters including
+  // slash, underscore, hyphen, period [/_-.].
+  string name = 1;
+
+  // The set of labels that are available to describe a specific log entry.
+  // Runtime requests that contain labels not specified here are
+  // considered invalid.
+  repeated LabelDescriptor labels = 2;
+
+  // A human-readable description of this log. This information appears in
+  // the documentation and can contain details.
+  string description = 3;
+
+  // The human-readable name for this log. This information appears on
+  // the user interface and should be concise.
+  string display_name = 4;
+}
diff --git a/build/extracted-include-protos/main/google/api/logging.proto b/build/extracted-include-protos/main/google/api/logging.proto
new file mode 100644
index 0000000000000000000000000000000000000000..ee7c1966e4706bcff9e303127564f41df47b9228
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/logging.proto
@@ -0,0 +1,83 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "LoggingProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Logging configuration of the service.
+//
+// The following example shows how to configure logs to be sent to the
+// producer and consumer projects. In the example, the `activity_history`
+// log is sent to both the producer and consumer projects, whereas the
+// `purchase_history` log is only sent to the producer project.
+//
+//     monitored_resources:
+//     - type: library.googleapis.com/branch
+//       labels:
+//       - key: /city
+//         description: The city where the library branch is located in.
+//       - key: /name
+//         description: The name of the branch.
+//     logs:
+//     - name: activity_history
+//       labels:
+//       - key: /customer_id
+//     - name: purchase_history
+//     logging:
+//       producer_destinations:
+//       - monitored_resource: library.googleapis.com/branch
+//         logs:
+//         - activity_history
+//         - purchase_history
+//       consumer_destinations:
+//       - monitored_resource: library.googleapis.com/branch
+//         logs:
+//         - activity_history
+message Logging {
+  // Configuration of a specific logging destination (the producer project
+  // or the consumer project).
+  message LoggingDestination {
+    // The monitored resource type. The type must be defined in the
+    // [Service.monitored_resources][google.api.Service.monitored_resources] section.
+    string monitored_resource = 3;
+
+    // Names of the logs to be sent to this destination. Each name must
+    // be defined in the [Service.logs][google.api.Service.logs] section. If the log name is
+    // not a domain scoped name, it will be automatically prefixed with
+    // the service name followed by "/".
+    repeated string logs = 1;
+  }
+
+  // Logging configurations for sending logs to the producer project.
+  // There can be multiple producer destinations, each one must have a
+  // different monitored resource type. A log can be used in at most
+  // one producer destination.
+  repeated LoggingDestination producer_destinations = 1;
+
+  // Logging configurations for sending logs to the consumer project.
+  // There can be multiple consumer destinations, each one must have a
+  // different monitored resource type. A log can be used in at most
+  // one consumer destination.
+  repeated LoggingDestination consumer_destinations = 2;
+}
diff --git a/build/extracted-include-protos/main/google/api/metric.proto b/build/extracted-include-protos/main/google/api/metric.proto
new file mode 100644
index 0000000000000000000000000000000000000000..5473ce5bfe440f3bfa6a64e887942694e5704140
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/metric.proto
@@ -0,0 +1,192 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/label.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/metric;metric";
+option java_multiple_files = true;
+option java_outer_classname = "MetricProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Defines a metric type and its schema. Once a metric descriptor is created,
+// deleting or altering it stops data collection and makes the metric type's
+// existing data unusable.
+message MetricDescriptor {
+  // The kind of measurement. It describes how the data is reported.
+  enum MetricKind {
+    // Do not use this default value.
+    METRIC_KIND_UNSPECIFIED = 0;
+
+    // An instantaneous measurement of a value.
+    GAUGE = 1;
+
+    // The change in a value during a time interval.
+    DELTA = 2;
+
+    // A value accumulated over a time interval.  Cumulative
+    // measurements in a time series should have the same start time
+    // and increasing end times, until an event resets the cumulative
+    // value to zero and sets a new start time for the following
+    // points.
+    CUMULATIVE = 3;
+  }
+
+  // The value type of a metric.
+  enum ValueType {
+    // Do not use this default value.
+    VALUE_TYPE_UNSPECIFIED = 0;
+
+    // The value is a boolean.
+    // This value type can be used only if the metric kind is `GAUGE`.
+    BOOL = 1;
+
+    // The value is a signed 64-bit integer.
+    INT64 = 2;
+
+    // The value is a double precision floating point number.
+    DOUBLE = 3;
+
+    // The value is a text string.
+    // This value type can be used only if the metric kind is `GAUGE`.
+    STRING = 4;
+
+    // The value is a [`Distribution`][google.api.Distribution].
+    DISTRIBUTION = 5;
+
+    // The value is money.
+    MONEY = 6;
+  }
+
+  // The resource name of the metric descriptor.
+  string name = 1;
+
+  // The metric type, including its DNS name prefix. The type is not
+  // URL-encoded.  All user-defined custom metric types have the DNS name
+  // `custom.googleapis.com`.  Metric types should use a natural hierarchical
+  // grouping. For example:
+  //
+  //     "custom.googleapis.com/invoice/paid/amount"
+  //     "appengine.googleapis.com/http/server/response_latencies"
+  string type = 8;
+
+  // The set of labels that can be used to describe a specific
+  // instance of this metric type. For example, the
+  // `appengine.googleapis.com/http/server/response_latencies` metric
+  // type has a label for the HTTP response code, `response_code`, so
+  // you can look at latencies for successful responses or just
+  // for responses that failed.
+  repeated LabelDescriptor labels = 2;
+
+  // Whether the metric records instantaneous values, changes to a value, etc.
+  // Some combinations of `metric_kind` and `value_type` might not be supported.
+  MetricKind metric_kind = 3;
+
+  // Whether the measurement is an integer, a floating-point number, etc.
+  // Some combinations of `metric_kind` and `value_type` might not be supported.
+  ValueType value_type = 4;
+
+  // The unit in which the metric value is reported. It is only applicable
+  // if the `value_type` is `INT64`, `DOUBLE`, or `DISTRIBUTION`. The
+  // supported units are a subset of [The Unified Code for Units of
+  // Measure](http://unitsofmeasure.org/ucum.html) standard:
+  //
+  // **Basic units (UNIT)**
+  //
+  // * `bit`   bit
+  // * `By`    byte
+  // * `s`     second
+  // * `min`   minute
+  // * `h`     hour
+  // * `d`     day
+  //
+  // **Prefixes (PREFIX)**
+  //
+  // * `k`     kilo    (10**3)
+  // * `M`     mega    (10**6)
+  // * `G`     giga    (10**9)
+  // * `T`     tera    (10**12)
+  // * `P`     peta    (10**15)
+  // * `E`     exa     (10**18)
+  // * `Z`     zetta   (10**21)
+  // * `Y`     yotta   (10**24)
+  // * `m`     milli   (10**-3)
+  // * `u`     micro   (10**-6)
+  // * `n`     nano    (10**-9)
+  // * `p`     pico    (10**-12)
+  // * `f`     femto   (10**-15)
+  // * `a`     atto    (10**-18)
+  // * `z`     zepto   (10**-21)
+  // * `y`     yocto   (10**-24)
+  // * `Ki`    kibi    (2**10)
+  // * `Mi`    mebi    (2**20)
+  // * `Gi`    gibi    (2**30)
+  // * `Ti`    tebi    (2**40)
+  //
+  // **Grammar**
+  //
+  // The grammar also includes these connectors:
+  //
+  // * `/`    division (as an infix operator, e.g. `1/s`).
+  // * `.`    multiplication (as an infix operator, e.g. `GBy.d`)
+  //
+  // The grammar for a unit is as follows:
+  //
+  //     Expression = Component { "." Component } { "/" Component } ;
+  //
+  //     Component = ( [ PREFIX ] UNIT | "%" ) [ Annotation ]
+  //               | Annotation
+  //               | "1"
+  //               ;
+  //
+  //     Annotation = "{" NAME "}" ;
+  //
+  // Notes:
+  //
+  // * `Annotation` is just a comment if it follows a `UNIT` and is
+  //    equivalent to `1` if it is used alone. For examples,
+  //    `{requests}/s == 1/s`, `By{transmitted}/s == By/s`.
+  // * `NAME` is a sequence of non-blank printable ASCII characters not
+  //    containing '{' or '}'.
+  // * `1` represents dimensionless value 1, such as in `1/s`.
+  // * `%` represents dimensionless value 1/100, and annotates values giving
+  //    a percentage.
+  string unit = 5;
+
+  // A detailed description of the metric, which can be used in documentation.
+  string description = 6;
+
+  // A concise name for the metric, which can be displayed in user interfaces.
+  // Use sentence case without an ending period, for example "Request count".
+  // This field is optional but it is recommended to be set for any metrics
+  // associated with user-visible concepts, such as Quota.
+  string display_name = 7;
+}
+
+// A specific metric, identified by specifying values for all of the
+// labels of a [`MetricDescriptor`][google.api.MetricDescriptor].
+message Metric {
+  // An existing metric type, see [google.api.MetricDescriptor][google.api.MetricDescriptor].
+  // For example, `custom.googleapis.com/invoice/paid/amount`.
+  string type = 3;
+
+  // The set of label values that uniquely identify this metric. All
+  // labels listed in the `MetricDescriptor` must be assigned values.
+  map<string, string> labels = 2;
+}
diff --git a/build/extracted-include-protos/main/google/api/monitored_resource.proto b/build/extracted-include-protos/main/google/api/monitored_resource.proto
new file mode 100644
index 0000000000000000000000000000000000000000..189ccd4aa76f7d4bc7bdcd6e528a5f60a10ce497
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/monitored_resource.proto
@@ -0,0 +1,116 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/label.proto";
+import "google/protobuf/struct.proto";
+
+option cc_enable_arenas = true;
+option go_package = "google.golang.org/genproto/googleapis/api/monitoredres;monitoredres";
+option java_multiple_files = true;
+option java_outer_classname = "MonitoredResourceProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// An object that describes the schema of a [MonitoredResource][google.api.MonitoredResource] object using a
+// type name and a set of labels.  For example, the monitored resource
+// descriptor for Google Compute Engine VM instances has a type of
+// `"gce_instance"` and specifies the use of the labels `"instance_id"` and
+// `"zone"` to identify particular VM instances.
+//
+// Different APIs can support different monitored resource types. APIs generally
+// provide a `list` method that returns the monitored resource descriptors used
+// by the API.
+message MonitoredResourceDescriptor {
+  // Optional. The resource name of the monitored resource descriptor:
+  // `"projects/{project_id}/monitoredResourceDescriptors/{type}"` where
+  // {type} is the value of the `type` field in this object and
+  // {project_id} is a project ID that provides API-specific context for
+  // accessing the type.  APIs that do not use project information can use the
+  // resource name format `"monitoredResourceDescriptors/{type}"`.
+  string name = 5;
+
+  // Required. The monitored resource type. For example, the type
+  // `"cloudsql_database"` represents databases in Google Cloud SQL.
+  // The maximum length of this value is 256 characters.
+  string type = 1;
+
+  // Optional. A concise name for the monitored resource type that might be
+  // displayed in user interfaces. It should be a Title Cased Noun Phrase,
+  // without any article or other determiners. For example,
+  // `"Google Cloud SQL Database"`.
+  string display_name = 2;
+
+  // Optional. A detailed description of the monitored resource type that might
+  // be used in documentation.
+  string description = 3;
+
+  // Required. A set of labels used to describe instances of this monitored
+  // resource type. For example, an individual Google Cloud SQL database is
+  // identified by values for the labels `"database_id"` and `"zone"`.
+  repeated LabelDescriptor labels = 4;
+}
+
+// An object representing a resource that can be used for monitoring, logging,
+// billing, or other purposes. Examples include virtual machine instances,
+// databases, and storage devices such as disks. The `type` field identifies a
+// [MonitoredResourceDescriptor][google.api.MonitoredResourceDescriptor] object that describes the resource's
+// schema. Information in the `labels` field identifies the actual resource and
+// its attributes according to the schema. For example, a particular Compute
+// Engine VM instance could be represented by the following object, because the
+// [MonitoredResourceDescriptor][google.api.MonitoredResourceDescriptor] for `"gce_instance"` has labels
+// `"instance_id"` and `"zone"`:
+//
+//     { "type": "gce_instance",
+//       "labels": { "instance_id": "12345678901234",
+//                   "zone": "us-central1-a" }}
+message MonitoredResource {
+  // Required. The monitored resource type. This field must match
+  // the `type` field of a [MonitoredResourceDescriptor][google.api.MonitoredResourceDescriptor] object. For
+  // example, the type of a Compute Engine VM instance is `gce_instance`.
+  string type = 1;
+
+  // Required. Values for all of the labels listed in the associated monitored
+  // resource descriptor. For example, Compute Engine VM instances use the
+  // labels `"project_id"`, `"instance_id"`, and `"zone"`.
+  map<string, string> labels = 2;
+}
+
+// Auxiliary metadata for a [MonitoredResource][google.api.MonitoredResource] object.
+// [MonitoredResource][google.api.MonitoredResource] objects contain the minimum set of information to
+// uniquely identify a monitored resource instance. There is some other useful
+// auxiliary metadata. Google Stackdriver Monitoring & Logging uses an ingestion
+// pipeline to extract metadata for cloud resources of all types , and stores
+// the metadata in this message.
+message MonitoredResourceMetadata {
+  // Output only. Values for predefined system metadata labels.
+  // System labels are a kind of metadata extracted by Google Stackdriver.
+  // Stackdriver determines what system labels are useful and how to obtain
+  // their values. Some examples: "machine_image", "vpc", "subnet_id",
+  // "security_group", "name", etc.
+  // System label values can be only strings, Boolean values, or a list of
+  // strings. For example:
+  //
+  //     { "name": "my-test-instance",
+  //       "security_group": ["a", "b", "c"],
+  //       "spot_instance": false }
+  google.protobuf.Struct system_labels = 1;
+
+  // Output only. A map of user-defined metadata labels.
+  map<string, string> user_labels = 2;
+}
diff --git a/build/extracted-include-protos/main/google/api/monitoring.proto b/build/extracted-include-protos/main/google/api/monitoring.proto
new file mode 100644
index 0000000000000000000000000000000000000000..30572146dc0ee183d94b8b189d4ff38565fb1233
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/monitoring.proto
@@ -0,0 +1,89 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "MonitoringProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Monitoring configuration of the service.
+//
+// The example below shows how to configure monitored resources and metrics
+// for monitoring. In the example, a monitored resource and two metrics are
+// defined. The `library.googleapis.com/book/returned_count` metric is sent
+// to both producer and consumer projects, whereas the
+// `library.googleapis.com/book/overdue_count` metric is only sent to the
+// consumer project.
+//
+//     monitored_resources:
+//     - type: library.googleapis.com/branch
+//       labels:
+//       - key: /city
+//         description: The city where the library branch is located in.
+//       - key: /name
+//         description: The name of the branch.
+//     metrics:
+//     - name: library.googleapis.com/book/returned_count
+//       metric_kind: DELTA
+//       value_type: INT64
+//       labels:
+//       - key: /customer_id
+//     - name: library.googleapis.com/book/overdue_count
+//       metric_kind: GAUGE
+//       value_type: INT64
+//       labels:
+//       - key: /customer_id
+//     monitoring:
+//       producer_destinations:
+//       - monitored_resource: library.googleapis.com/branch
+//         metrics:
+//         - library.googleapis.com/book/returned_count
+//       consumer_destinations:
+//       - monitored_resource: library.googleapis.com/branch
+//         metrics:
+//         - library.googleapis.com/book/returned_count
+//         - library.googleapis.com/book/overdue_count
+message Monitoring {
+  // Configuration of a specific monitoring destination (the producer project
+  // or the consumer project).
+  message MonitoringDestination {
+    // The monitored resource type. The type must be defined in
+    // [Service.monitored_resources][google.api.Service.monitored_resources] section.
+    string monitored_resource = 1;
+
+    // Names of the metrics to report to this monitoring destination.
+    // Each name must be defined in [Service.metrics][google.api.Service.metrics] section.
+    repeated string metrics = 2;
+  }
+
+  // Monitoring configurations for sending metrics to the producer project.
+  // There can be multiple producer destinations, each one must have a
+  // different monitored resource type. A metric can be used in at most
+  // one producer destination.
+  repeated MonitoringDestination producer_destinations = 1;
+
+  // Monitoring configurations for sending metrics to the consumer project.
+  // There can be multiple consumer destinations, each one must have a
+  // different monitored resource type. A metric can be used in at most
+  // one consumer destination.
+  repeated MonitoringDestination consumer_destinations = 2;
+}
diff --git a/build/extracted-include-protos/main/google/api/quota.proto b/build/extracted-include-protos/main/google/api/quota.proto
new file mode 100644
index 0000000000000000000000000000000000000000..aa327a1969461e94b37aed2f63f6b2d863bf0b4c
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/quota.proto
@@ -0,0 +1,259 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "QuotaProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Quota configuration helps to achieve fairness and budgeting in service
+// usage.
+//
+// The quota configuration works this way:
+// - The service configuration defines a set of metrics.
+// - For API calls, the quota.metric_rules maps methods to metrics with
+//   corresponding costs.
+// - The quota.limits defines limits on the metrics, which will be used for
+//   quota checks at runtime.
+//
+// An example quota configuration in yaml format:
+//
+//    quota:
+//      limits:
+//
+//      - name: apiWriteQpsPerProject
+//        metric: library.googleapis.com/write_calls
+//        unit: "1/min/{project}"  # rate limit for consumer projects
+//        values:
+//          STANDARD: 10000
+//
+//      # The metric rules bind all methods to the read_calls metric,
+//      # except for the UpdateBook and DeleteBook methods. These two methods
+//      # are mapped to the write_calls metric, with the UpdateBook method
+//      # consuming at twice rate as the DeleteBook method.
+//      metric_rules:
+//      - selector: "*"
+//        metric_costs:
+//          library.googleapis.com/read_calls: 1
+//      - selector: google.example.library.v1.LibraryService.UpdateBook
+//        metric_costs:
+//          library.googleapis.com/write_calls: 2
+//      - selector: google.example.library.v1.LibraryService.DeleteBook
+//        metric_costs:
+//          library.googleapis.com/write_calls: 1
+//
+//  Corresponding Metric definition:
+//
+//      metrics:
+//      - name: library.googleapis.com/read_calls
+//        display_name: Read requests
+//        metric_kind: DELTA
+//        value_type: INT64
+//
+//      - name: library.googleapis.com/write_calls
+//        display_name: Write requests
+//        metric_kind: DELTA
+//        value_type: INT64
+//
+message Quota {
+  // List of `QuotaLimit` definitions for the service.
+  //
+  // Used by metric-based quotas only.
+  repeated QuotaLimit limits = 3;
+
+  // List of `MetricRule` definitions, each one mapping a selected method to one
+  // or more metrics.
+  //
+  // Used by metric-based quotas only.
+  repeated MetricRule metric_rules = 4;
+}
+
+// Bind API methods to metrics. Binding a method to a metric causes that
+// metric's configured quota, billing, and monitoring behaviors to apply to the
+// method call.
+//
+// Used by metric-based quotas only.
+message MetricRule {
+  // Selects the methods to which this rule applies.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // Metrics to update when the selected methods are called, and the associated
+  // cost applied to each metric.
+  //
+  // The key of the map is the metric name, and the values are the amount
+  // increased for the metric against which the quota limits are defined.
+  // The value must not be negative.
+  map<string, int64> metric_costs = 2;
+}
+
+// `QuotaLimit` defines a specific limit that applies over a specified duration
+// for a limit type. There can be at most one limit for a duration and limit
+// type combination defined within a `QuotaGroup`.
+message QuotaLimit {
+  // Name of the quota limit. The name is used to refer to the limit when
+  // overriding the default limit on per-consumer basis.
+  //
+  // For group-based quota limits, the name must be unique within the quota
+  // group. If a name is not provided, it will be generated from the limit_by
+  // and duration fields.
+  //
+  // For metric-based quota limits, the name must be provided, and it must be
+  // unique within the service. The name can only include alphanumeric
+  // characters as well as '-'.
+  //
+  // The maximum length of the limit name is 64 characters.
+  //
+  // The name of a limit is used as a unique identifier for this limit.
+  // Therefore, once a limit has been put into use, its name should be
+  // immutable. You can use the display_name field to provide a user-friendly
+  // name for the limit. The display name can be evolved over time without
+  // affecting the identity of the limit.
+  string name = 6;
+
+  // Optional. User-visible, extended description for this quota limit.
+  // Should be used only when more context is needed to understand this limit
+  // than provided by the limit's display name (see: `display_name`).
+  string description = 2;
+
+  // Default number of tokens that can be consumed during the specified
+  // duration. This is the number of tokens assigned when a client
+  // application developer activates the service for his/her project.
+  //
+  // Specifying a value of 0 will block all requests. This can be used if you
+  // are provisioning quota to selected consumers and blocking others.
+  // Similarly, a value of -1 will indicate an unlimited quota. No other
+  // negative values are allowed.
+  //
+  // Used by group-based quotas only.
+  int64 default_limit = 3;
+
+  // Maximum number of tokens that can be consumed during the specified
+  // duration. Client application developers can override the default limit up
+  // to this maximum. If specified, this value cannot be set to a value less
+  // than the default limit. If not specified, it is set to the default limit.
+  //
+  // To allow clients to apply overrides with no upper bound, set this to -1,
+  // indicating unlimited maximum quota.
+  //
+  // Used by group-based quotas only.
+  int64 max_limit = 4;
+
+  // Free tier value displayed in the Developers Console for this limit.
+  // The free tier is the number of tokens that will be subtracted from the
+  // billed amount when billing is enabled.
+  // This field can only be set on a limit with duration "1d", in a billable
+  // group; it is invalid on any other limit. If this field is not set, it
+  // defaults to 0, indicating that there is no free tier for this service.
+  //
+  // Used by group-based quotas only.
+  int64 free_tier = 7;
+
+  // Duration of this limit in textual notation. Example: "100s", "24h", "1d".
+  // For duration longer than a day, only multiple of days is supported. We
+  // support only "100s" and "1d" for now. Additional support will be added in
+  // the future. "0" indicates indefinite duration.
+  //
+  // Used by group-based quotas only.
+  string duration = 5;
+
+  // The name of the metric this quota limit applies to. The quota limits with
+  // the same metric will be checked together during runtime. The metric must be
+  // defined within the service config.
+  //
+  // Used by metric-based quotas only.
+  string metric = 8;
+
+  // Specify the unit of the quota limit. It uses the same syntax as
+  // [Metric.unit][]. The supported unit kinds are determined by the quota
+  // backend system.
+  //
+  // The [Google Service Control](https://cloud.google.com/service-control)
+  // supports the following unit components:
+  // * One of the time intevals:
+  //   * "/min"  for quota every minute.
+  //   * "/d"  for quota every 24 hours, starting 00:00 US Pacific Time.
+  //   * Otherwise the quota won't be reset by time, such as storage limit.
+  // * One and only one of the granted containers:
+  //   * "/{organization}" quota for an organization.
+  //   * "/{project}" quota for a project.
+  //   * "/{folder}" quota for a folder.
+  //   * "/{resource}" quota for a universal resource.
+  // * Zero or more quota segmentation dimension. Not all combos are valid.
+  //   * "/{region}" quota for every region. Not to be used with time intervals.
+  //   * Otherwise the resources granted on the target is not segmented.
+  //   * "/{zone}" quota for every zone. Not to be used with time intervals.
+  //   * Otherwise the resources granted on the target is not segmented.
+  //   * "/{resource}" quota for a resource associated with a project or org.
+  //
+  // Here are some examples:
+  // * "1/min/{project}" for quota per minute per project.
+  // * "1/min/{user}" for quota per minute per user.
+  // * "1/min/{organization}" for quota per minute per organization.
+  //
+  // Note: the order of unit components is insignificant.
+  // The "1" at the beginning is required to follow the metric unit syntax.
+  //
+  // Used by metric-based quotas only.
+  string unit = 9;
+
+  // Tiered limit values. Also allows for regional or zone overrides for these
+  // values if "/{region}" or "/{zone}" is specified in the unit field.
+  //
+  // Currently supported tiers from low to high:
+  // VERY_LOW, LOW, STANDARD, HIGH, VERY_HIGH
+  //
+  // To apply different limit values for users according to their tiers, specify
+  // the values for the tiers you want to differentiate. For example:
+  // {LOW:100, STANDARD:500, HIGH:1000, VERY_HIGH:5000}
+  //
+  // The limit value for each tier is optional except for the tier STANDARD.
+  // The limit value for an unspecified tier falls to the value of its next
+  // tier towards tier STANDARD. For the above example, the limit value for tier
+  // STANDARD is 500.
+  //
+  // To apply the same limit value for all users, just specify limit value for
+  // tier STANDARD. For example: {STANDARD:500}.
+  //
+  // To apply a regional overide for a tier, add a map entry with key
+  // "<TIER>/<region>", where <region> is a region name. Similarly, for a zone
+  // override, add a map entry with key "<TIER>/{zone}".
+  // Further, a wildcard can be used at the end of a zone name in order to
+  // specify zone level overrides. For example:
+  // LOW: 10, STANDARD: 50, HIGH: 100,
+  // LOW/us-central1: 20, STANDARD/us-central1: 60, HIGH/us-central1: 200,
+  // LOW/us-central1-*: 10, STANDARD/us-central1-*: 20, HIGH/us-central1-*: 80
+  //
+  // The regional overrides tier set for each region must be the same as
+  // the tier set for default limit values. Same rule applies for zone overrides
+  // tier as well.
+  //
+  // Used by metric-based quotas only.
+  map<string, int64> values = 10;
+
+  // User-visible display name for this limit.
+  // Optional. If not set, the UI will provide a default display name based on
+  // the quota configuration. This field can be used to override the default
+  // display name generated from the configuration.
+  string display_name = 12;
+}
diff --git a/build/extracted-include-protos/main/google/api/service.proto b/build/extracted-include-protos/main/google/api/service.proto
new file mode 100644
index 0000000000000000000000000000000000000000..87fba7ba665504a057c5a12dc5f5f1434aa312ca
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/service.proto
@@ -0,0 +1,178 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+import "google/api/auth.proto";
+import "google/api/backend.proto";
+import "google/api/billing.proto";
+import "google/api/context.proto";
+import "google/api/control.proto";
+import "google/api/documentation.proto";
+import "google/api/endpoint.proto";
+import "google/api/experimental/experimental.proto";
+import "google/api/http.proto";
+import "google/api/label.proto";
+import "google/api/log.proto";
+import "google/api/logging.proto";
+import "google/api/metric.proto";
+import "google/api/monitored_resource.proto";
+import "google/api/monitoring.proto";
+import "google/api/quota.proto";
+import "google/api/source_info.proto";
+import "google/api/system_parameter.proto";
+import "google/api/usage.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/api.proto";
+import "google/protobuf/type.proto";
+import "google/protobuf/wrappers.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "ServiceProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// `Service` is the root object of Google service configuration schema. It
+// describes basic information about a service, such as the name and the
+// title, and delegates other aspects to sub-sections. Each sub-section is
+// either a proto message or a repeated proto message that configures a
+// specific aspect, such as auth. See each proto message definition for details.
+//
+// Example:
+//
+//     type: google.api.Service
+//     config_version: 3
+//     name: calendar.googleapis.com
+//     title: Google Calendar API
+//     apis:
+//     - name: google.calendar.v3.Calendar
+//     authentication:
+//       providers:
+//       - id: google_calendar_auth
+//         jwks_uri: https://www.googleapis.com/oauth2/v1/certs
+//         issuer: https://securetoken.google.com
+//       rules:
+//       - selector: "*"
+//         requirements:
+//           provider_id: google_calendar_auth
+message Service {
+  // The semantic version of the service configuration. The config version
+  // affects the interpretation of the service configuration. For example,
+  // certain features are enabled by default for certain config versions.
+  // The latest config version is `3`.
+  google.protobuf.UInt32Value config_version = 20;
+
+  // The DNS address at which this service is available,
+  // e.g. `calendar.googleapis.com`.
+  string name = 1;
+
+  // A unique ID for a specific instance of this message, typically assigned
+  // by the client for tracking purpose. If empty, the server may choose to
+  // generate one instead.
+  string id = 33;
+
+  // The product title for this service.
+  string title = 2;
+
+  // The Google project that owns this service.
+  string producer_project_id = 22;
+
+  // A list of API interfaces exported by this service. Only the `name` field
+  // of the [google.protobuf.Api][google.protobuf.Api] needs to be provided by the configuration
+  // author, as the remaining fields will be derived from the IDL during the
+  // normalization process. It is an error to specify an API interface here
+  // which cannot be resolved against the associated IDL files.
+  repeated google.protobuf.Api apis = 3;
+
+  // A list of all proto message types included in this API service.
+  // Types referenced directly or indirectly by the `apis` are
+  // automatically included.  Messages which are not referenced but
+  // shall be included, such as types used by the `google.protobuf.Any` type,
+  // should be listed here by name. Example:
+  //
+  //     types:
+  //     - name: google.protobuf.Int32
+  repeated google.protobuf.Type types = 4;
+
+  // A list of all enum types included in this API service.  Enums
+  // referenced directly or indirectly by the `apis` are automatically
+  // included.  Enums which are not referenced but shall be included
+  // should be listed here by name. Example:
+  //
+  //     enums:
+  //     - name: google.someapi.v1.SomeEnum
+  repeated google.protobuf.Enum enums = 5;
+
+  // Additional API documentation.
+  Documentation documentation = 6;
+
+  // API backend configuration.
+  Backend backend = 8;
+
+  // HTTP configuration.
+  Http http = 9;
+
+  // Quota configuration.
+  Quota quota = 10;
+
+  // Auth configuration.
+  Authentication authentication = 11;
+
+  // Context configuration.
+  Context context = 12;
+
+  // Configuration controlling usage of this service.
+  Usage usage = 15;
+
+  // Configuration for network endpoints.  If this is empty, then an endpoint
+  // with the same name as the service is automatically generated to service all
+  // defined APIs.
+  repeated Endpoint endpoints = 18;
+
+  // Configuration for the service control plane.
+  Control control = 21;
+
+  // Defines the logs used by this service.
+  repeated LogDescriptor logs = 23;
+
+  // Defines the metrics used by this service.
+  repeated MetricDescriptor metrics = 24;
+
+  // Defines the monitored resources used by this service. This is required
+  // by the [Service.monitoring][google.api.Service.monitoring] and [Service.logging][google.api.Service.logging] configurations.
+  repeated MonitoredResourceDescriptor monitored_resources = 25;
+
+  // Billing configuration.
+  Billing billing = 26;
+
+  // Logging configuration.
+  Logging logging = 27;
+
+  // Monitoring configuration.
+  Monitoring monitoring = 28;
+
+  // System parameter configuration.
+  SystemParameters system_parameters = 29;
+
+  // Output only. The source information for this configuration if available.
+  SourceInfo source_info = 37;
+
+  // Experimental configuration.
+  Experimental experimental = 101;
+}
diff --git a/build/extracted-include-protos/main/google/api/source_info.proto b/build/extracted-include-protos/main/google/api/source_info.proto
new file mode 100644
index 0000000000000000000000000000000000000000..58777856fb7055e58e15da17d632488b7ed23fed
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/source_info.proto
@@ -0,0 +1,32 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/protobuf/any.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "SourceInfoProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Source information used to create a Service Config
+message SourceInfo {
+  // All files used during config generation.
+  repeated google.protobuf.Any source_files = 1;
+}
diff --git a/build/extracted-include-protos/main/google/api/system_parameter.proto b/build/extracted-include-protos/main/google/api/system_parameter.proto
new file mode 100644
index 0000000000000000000000000000000000000000..a55212f044fbf85dbfd4f276aecb29e0b046a12d
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/system_parameter.proto
@@ -0,0 +1,96 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "SystemParameterProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// ### System parameter configuration
+//
+// A system parameter is a special kind of parameter defined by the API
+// system, not by an individual API. It is typically mapped to an HTTP header
+// and/or a URL query parameter. This configuration specifies which methods
+// change the names of the system parameters.
+message SystemParameters {
+  // Define system parameters.
+  //
+  // The parameters defined here will override the default parameters
+  // implemented by the system. If this field is missing from the service
+  // config, default system parameters will be used. Default system parameters
+  // and names is implementation-dependent.
+  //
+  // Example: define api key for all methods
+  //
+  //     system_parameters
+  //       rules:
+  //         - selector: "*"
+  //           parameters:
+  //             - name: api_key
+  //               url_query_parameter: api_key
+  //
+  //
+  // Example: define 2 api key names for a specific method.
+  //
+  //     system_parameters
+  //       rules:
+  //         - selector: "/ListShelves"
+  //           parameters:
+  //             - name: api_key
+  //               http_header: Api-Key1
+  //             - name: api_key
+  //               http_header: Api-Key2
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated SystemParameterRule rules = 1;
+}
+
+// Define a system parameter rule mapping system parameter definitions to
+// methods.
+message SystemParameterRule {
+  // Selects the methods to which this rule applies. Use '*' to indicate all
+  // methods in all APIs.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // Define parameters. Multiple names may be defined for a parameter.
+  // For a given method call, only one of them should be used. If multiple
+  // names are used the behavior is implementation-dependent.
+  // If none of the specified names are present the behavior is
+  // parameter-dependent.
+  repeated SystemParameter parameters = 2;
+}
+
+// Define a parameter's name and location. The parameter may be passed as either
+// an HTTP header or a URL query parameter, and if both are passed the behavior
+// is implementation-dependent.
+message SystemParameter {
+  // Define the name of the parameter, such as "api_key" . It is case sensitive.
+  string name = 1;
+
+  // Define the HTTP header name to use for the parameter. It is case
+  // insensitive.
+  string http_header = 2;
+
+  // Define the URL query parameter name to use for the parameter. It is case
+  // sensitive.
+  string url_query_parameter = 3;
+}
diff --git a/build/extracted-include-protos/main/google/api/usage.proto b/build/extracted-include-protos/main/google/api/usage.proto
new file mode 100644
index 0000000000000000000000000000000000000000..63299b56d279f1d38d75e90332d4f21001d426a3
--- /dev/null
+++ b/build/extracted-include-protos/main/google/api/usage.proto
@@ -0,0 +1,92 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "UsageProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Configuration controlling usage of a service.
+message Usage {
+  // Requirements that must be satisfied before a consumer project can use the
+  // service. Each requirement is of the form <service.name>/<requirement-id>;
+  // for example 'serviceusage.googleapis.com/billing-enabled'.
+  repeated string requirements = 1;
+
+  // A list of usage rules that apply to individual API methods.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated UsageRule rules = 6;
+
+  // The full resource name of a channel used for sending notifications to the
+  // service producer.
+  //
+  // Google Service Management currently only supports
+  // [Google Cloud Pub/Sub](https://cloud.google.com/pubsub) as a notification
+  // channel. To use Google Cloud Pub/Sub as the channel, this must be the name
+  // of a Cloud Pub/Sub topic that uses the Cloud Pub/Sub topic name format
+  // documented in https://cloud.google.com/pubsub/docs/overview.
+  string producer_notification_channel = 7;
+}
+
+// Usage configuration rules for the service.
+//
+// NOTE: Under development.
+//
+//
+// Use this rule to configure unregistered calls for the service. Unregistered
+// calls are calls that do not contain consumer project identity.
+// (Example: calls that do not contain an API key).
+// By default, API methods do not allow unregistered calls, and each method call
+// must be identified by a consumer project identity. Use this rule to
+// allow/disallow unregistered calls.
+//
+// Example of an API that wants to allow unregistered calls for entire service.
+//
+//     usage:
+//       rules:
+//       - selector: "*"
+//         allow_unregistered_calls: true
+//
+// Example of a method that wants to allow unregistered calls.
+//
+//     usage:
+//       rules:
+//       - selector: "google.example.library.v1.LibraryService.CreateBook"
+//         allow_unregistered_calls: true
+message UsageRule {
+  // Selects the methods to which this rule applies. Use '*' to indicate all
+  // methods in all APIs.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // If true, the selected method allows unregistered calls, e.g. calls
+  // that don't identify any user or application.
+  bool allow_unregistered_calls = 2;
+
+  // If true, the selected method should skip service control and the control
+  // plane features, such as quota and billing, will not be available.
+  // This flag is used by Google Cloud Endpoints to bypass checks for internal
+  // methods, such as service health check methods.
+  bool skip_service_control = 3;
+}
diff --git a/build/extracted-include-protos/main/google/cloud/audit/audit_log.proto b/build/extracted-include-protos/main/google/cloud/audit/audit_log.proto
new file mode 100644
index 0000000000000000000000000000000000000000..eab66a1f9c297589eec039ac5ed468f3e079ac3d
--- /dev/null
+++ b/build/extracted-include-protos/main/google/cloud/audit/audit_log.proto
@@ -0,0 +1,128 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.audit;
+
+import "google/api/annotations.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/struct.proto";
+import "google/rpc/status.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/cloud/audit;audit";
+option java_multiple_files = true;
+option java_outer_classname = "AuditLogProto";
+option java_package = "com.google.cloud.audit";
+
+
+// Common audit log format for Google Cloud Platform API operations.
+message AuditLog {
+  // The name of the API service performing the operation. For example,
+  // `"datastore.googleapis.com"`.
+  string service_name = 7;
+
+  // The name of the service method or operation.
+  // For API calls, this should be the name of the API method.
+  // For example,
+  //
+  //     "google.datastore.v1.Datastore.RunQuery"
+  //     "google.logging.v1.LoggingService.DeleteLog"
+  string method_name = 8;
+
+  // The resource or collection that is the target of the operation.
+  // The name is a scheme-less URI, not including the API service name.
+  // For example:
+  //
+  //     "shelves/SHELF_ID/books"
+  //     "shelves/SHELF_ID/books/BOOK_ID"
+  string resource_name = 11;
+
+  // The number of items returned from a List or Query API method,
+  // if applicable.
+  int64 num_response_items = 12;
+
+  // The status of the overall operation.
+  google.rpc.Status status = 2;
+
+  // Authentication information.
+  AuthenticationInfo authentication_info = 3;
+
+  // Authorization information. If there are multiple
+  // resources or permissions involved, then there is
+  // one AuthorizationInfo element for each {resource, permission} tuple.
+  repeated AuthorizationInfo authorization_info = 9;
+
+  // Metadata about the operation.
+  RequestMetadata request_metadata = 4;
+
+  // The operation request. This may not include all request parameters,
+  // such as those that are too large, privacy-sensitive, or duplicated
+  // elsewhere in the log record.
+  // It should never include user-generated data, such as file contents.
+  // When the JSON object represented here has a proto equivalent, the proto
+  // name will be indicated in the `@type` property.
+  google.protobuf.Struct request = 16;
+
+  // The operation response. This may not include all response elements,
+  // such as those that are too large, privacy-sensitive, or duplicated
+  // elsewhere in the log record.
+  // It should never include user-generated data, such as file contents.
+  // When the JSON object represented here has a proto equivalent, the proto
+  // name will be indicated in the `@type` property.
+  google.protobuf.Struct response = 17;
+
+  // Other service-specific data about the request, response, and other
+  // activities.
+  google.protobuf.Any service_data = 15;
+}
+
+// Authentication information for the operation.
+message AuthenticationInfo {
+  // The email address of the authenticated user making the request.
+  string principal_email = 1;
+}
+
+// Authorization information for the operation.
+message AuthorizationInfo {
+  // The resource being accessed, as a REST-style string. For example:
+  //
+  //     bigquery.googlapis.com/projects/PROJECTID/datasets/DATASETID
+  string resource = 1;
+
+  // The required IAM permission.
+  string permission = 2;
+
+  // Whether or not authorization for `resource` and `permission`
+  // was granted.
+  bool granted = 3;
+}
+
+// Metadata about the request.
+message RequestMetadata {
+  // The IP address of the caller.
+  string caller_ip = 1;
+
+  // The user agent of the caller.
+  // This information is not authenticated and should be treated accordingly.
+  // For example:
+  //
+  // +   `google-api-python-client/1.4.0`:
+  //     The request was made by the Google API client for Python.
+  // +   `Cloud SDK Command Line Tool apitools-client/1.0 gcloud/0.9.62`:
+  //     The request was made by the Google Cloud SDK CLI (gcloud).
+  // +   `AppEngine-Google; (+http://code.google.com/appengine; appid: s~my-project`:
+  //     The request was made from the `my-project` App Engine app.
+  string caller_supplied_user_agent = 2;
+}
diff --git a/build/extracted-include-protos/main/google/logging/type/http_request.proto b/build/extracted-include-protos/main/google/logging/type/http_request.proto
new file mode 100644
index 0000000000000000000000000000000000000000..4bca5082360f51f43f6db6d050083eb7a8c48839
--- /dev/null
+++ b/build/extracted-include-protos/main/google/logging/type/http_request.proto
@@ -0,0 +1,92 @@
+// Copyright 2018 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.logging.type;
+
+import "google/api/annotations.proto";
+import "google/protobuf/duration.proto";
+
+option csharp_namespace = "Google.Cloud.Logging.Type";
+option go_package = "google.golang.org/genproto/googleapis/logging/type;ltype";
+option java_multiple_files = true;
+option java_outer_classname = "HttpRequestProto";
+option java_package = "com.google.logging.type";
+option php_namespace = "Google\\Cloud\\Logging\\Type";
+
+
+// A common proto for logging HTTP requests. Only contains semantics
+// defined by the HTTP specification. Product-specific logging
+// information MUST be defined in a separate message.
+message HttpRequest {
+  // The request method. Examples: `"GET"`, `"HEAD"`, `"PUT"`, `"POST"`.
+  string request_method = 1;
+
+  // The scheme (http, https), the host name, the path and the query
+  // portion of the URL that was requested.
+  // Example: `"http://example.com/some/info?color=red"`.
+  string request_url = 2;
+
+  // The size of the HTTP request message in bytes, including the request
+  // headers and the request body.
+  int64 request_size = 3;
+
+  // The response code indicating the status of response.
+  // Examples: 200, 404.
+  int32 status = 4;
+
+  // The size of the HTTP response message sent back to the client, in bytes,
+  // including the response headers and the response body.
+  int64 response_size = 5;
+
+  // The user agent sent by the client. Example:
+  // `"Mozilla/4.0 (compatible; MSIE 6.0; Windows 98; Q312461; .NET CLR 1.0.3705)"`.
+  string user_agent = 6;
+
+  // The IP address (IPv4 or IPv6) of the client that issued the HTTP
+  // request. Examples: `"192.168.1.1"`, `"FE80::0202:B3FF:FE1E:8329"`.
+  string remote_ip = 7;
+
+  // The IP address (IPv4 or IPv6) of the origin server that the request was
+  // sent to.
+  string server_ip = 13;
+
+  // The referer URL of the request, as defined in
+  // [HTTP/1.1 Header Field Definitions](http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html).
+  string referer = 8;
+
+  // The request processing latency on the server, from the time the request was
+  // received until the response was sent.
+  google.protobuf.Duration latency = 14;
+
+  // Whether or not a cache lookup was attempted.
+  bool cache_lookup = 11;
+
+  // Whether or not an entity was served from cache
+  // (with or without validation).
+  bool cache_hit = 9;
+
+  // Whether or not the response was validated with the origin server before
+  // being served from cache. This field is only meaningful if `cache_hit` is
+  // True.
+  bool cache_validated_with_origin_server = 10;
+
+  // The number of HTTP response bytes inserted into cache. Set only when a
+  // cache fill was attempted.
+  int64 cache_fill_bytes = 12;
+
+  // Protocol used for the request. Examples: "HTTP/1.1", "HTTP/2", "websocket"
+  string protocol = 15;
+}
diff --git a/build/extracted-include-protos/main/google/logging/type/log_severity.proto b/build/extracted-include-protos/main/google/logging/type/log_severity.proto
new file mode 100644
index 0000000000000000000000000000000000000000..d366e077895ee23ce6d1e18d198a9f01ee30da49
--- /dev/null
+++ b/build/extracted-include-protos/main/google/logging/type/log_severity.proto
@@ -0,0 +1,72 @@
+// Copyright 2018 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.logging.type;
+
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Cloud.Logging.Type";
+option go_package = "google.golang.org/genproto/googleapis/logging/type;ltype";
+option java_multiple_files = true;
+option java_outer_classname = "LogSeverityProto";
+option java_package = "com.google.logging.type";
+option php_namespace = "Google\\Cloud\\Logging\\Type";
+
+
+// The severity of the event described in a log entry, expressed as one of the
+// standard severity levels listed below.  For your reference, the levels are
+// assigned the listed numeric values. The effect of using numeric values other
+// than those listed is undefined.
+//
+// You can filter for log entries by severity.  For example, the following
+// filter expression will match log entries with severities `INFO`, `NOTICE`,
+// and `WARNING`:
+//
+//     severity > DEBUG AND severity <= WARNING
+//
+// If you are writing log entries, you should map other severity encodings to
+// one of these standard levels. For example, you might map all of Java's FINE,
+// FINER, and FINEST levels to `LogSeverity.DEBUG`. You can preserve the
+// original severity level in the log entry payload if you wish.
+enum LogSeverity {
+  // (0) The log entry has no assigned severity level.
+  DEFAULT = 0;
+
+  // (100) Debug or trace information.
+  DEBUG = 100;
+
+  // (200) Routine information, such as ongoing status or performance.
+  INFO = 200;
+
+  // (300) Normal but significant events, such as start up, shut down, or
+  // a configuration change.
+  NOTICE = 300;
+
+  // (400) Warning events might cause problems.
+  WARNING = 400;
+
+  // (500) Error events are likely to cause problems.
+  ERROR = 500;
+
+  // (600) Critical events cause more severe problems or outages.
+  CRITICAL = 600;
+
+  // (700) A person must take an action immediately.
+  ALERT = 700;
+
+  // (800) One or more systems are unusable.
+  EMERGENCY = 800;
+}
diff --git a/build/extracted-include-protos/main/google/longrunning/operations.proto b/build/extracted-include-protos/main/google/longrunning/operations.proto
new file mode 100644
index 0000000000000000000000000000000000000000..76fef29c3e21723d16b16ca614e926f32068df54
--- /dev/null
+++ b/build/extracted-include-protos/main/google/longrunning/operations.proto
@@ -0,0 +1,160 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.longrunning;
+
+import "google/api/annotations.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/empty.proto";
+import "google/rpc/status.proto";
+
+option csharp_namespace = "Google.LongRunning";
+option go_package = "google.golang.org/genproto/googleapis/longrunning;longrunning";
+option java_multiple_files = true;
+option java_outer_classname = "OperationsProto";
+option java_package = "com.google.longrunning";
+option php_namespace = "Google\\LongRunning";
+
+
+// Manages long-running operations with an API service.
+//
+// When an API method normally takes long time to complete, it can be designed
+// to return [Operation][google.longrunning.Operation] to the client, and the client can use this
+// interface to receive the real response asynchronously by polling the
+// operation resource, or pass the operation resource to another API (such as
+// Google Cloud Pub/Sub API) to receive the response.  Any API service that
+// returns long-running operations should implement the `Operations` interface
+// so developers can have a consistent client experience.
+service Operations {
+  // Lists operations that match the specified filter in the request. If the
+  // server doesn't support this method, it returns `UNIMPLEMENTED`.
+  //
+  // NOTE: the `name` binding below allows API services to override the binding
+  // to use different resource name schemes, such as `users/*/operations`.
+  rpc ListOperations(ListOperationsRequest) returns (ListOperationsResponse) {
+    option (google.api.http) = { get: "/v1/{name=operations}" };
+  }
+
+  // Gets the latest state of a long-running operation.  Clients can use this
+  // method to poll the operation result at intervals as recommended by the API
+  // service.
+  rpc GetOperation(GetOperationRequest) returns (Operation) {
+    option (google.api.http) = { get: "/v1/{name=operations/**}" };
+  }
+
+  // Deletes a long-running operation. This method indicates that the client is
+  // no longer interested in the operation result. It does not cancel the
+  // operation. If the server doesn't support this method, it returns
+  // `google.rpc.Code.UNIMPLEMENTED`.
+  rpc DeleteOperation(DeleteOperationRequest) returns (google.protobuf.Empty) {
+    option (google.api.http) = { delete: "/v1/{name=operations/**}" };
+  }
+
+  // Starts asynchronous cancellation on a long-running operation.  The server
+  // makes a best effort to cancel the operation, but success is not
+  // guaranteed.  If the server doesn't support this method, it returns
+  // `google.rpc.Code.UNIMPLEMENTED`.  Clients can use
+  // [Operations.GetOperation][google.longrunning.Operations.GetOperation] or
+  // other methods to check whether the cancellation succeeded or whether the
+  // operation completed despite cancellation. On successful cancellation,
+  // the operation is not deleted; instead, it becomes an operation with
+  // an [Operation.error][google.longrunning.Operation.error] value with a [google.rpc.Status.code][google.rpc.Status.code] of 1,
+  // corresponding to `Code.CANCELLED`.
+  rpc CancelOperation(CancelOperationRequest) returns (google.protobuf.Empty) {
+    option (google.api.http) = { post: "/v1/{name=operations/**}:cancel" body: "*" };
+  }
+}
+
+// This resource represents a long-running operation that is the result of a
+// network API call.
+message Operation {
+  // The server-assigned name, which is only unique within the same service that
+  // originally returns it. If you use the default HTTP mapping, the
+  // `name` should have the format of `operations/some/unique/name`.
+  string name = 1;
+
+  // Service-specific metadata associated with the operation.  It typically
+  // contains progress information and common metadata such as create time.
+  // Some services might not provide such metadata.  Any method that returns a
+  // long-running operation should document the metadata type, if any.
+  google.protobuf.Any metadata = 2;
+
+  // If the value is `false`, it means the operation is still in progress.
+  // If true, the operation is completed, and either `error` or `response` is
+  // available.
+  bool done = 3;
+
+  // The operation result, which can be either an `error` or a valid `response`.
+  // If `done` == `false`, neither `error` nor `response` is set.
+  // If `done` == `true`, exactly one of `error` or `response` is set.
+  oneof result {
+    // The error result of the operation in case of failure or cancellation.
+    google.rpc.Status error = 4;
+
+    // The normal response of the operation in case of success.  If the original
+    // method returns no data on success, such as `Delete`, the response is
+    // `google.protobuf.Empty`.  If the original method is standard
+    // `Get`/`Create`/`Update`, the response should be the resource.  For other
+    // methods, the response should have the type `XxxResponse`, where `Xxx`
+    // is the original method name.  For example, if the original method name
+    // is `TakeSnapshot()`, the inferred response type is
+    // `TakeSnapshotResponse`.
+    google.protobuf.Any response = 5;
+  }
+}
+
+// The request message for [Operations.GetOperation][google.longrunning.Operations.GetOperation].
+message GetOperationRequest {
+  // The name of the operation resource.
+  string name = 1;
+}
+
+// The request message for [Operations.ListOperations][google.longrunning.Operations.ListOperations].
+message ListOperationsRequest {
+  // The name of the operation collection.
+  string name = 4;
+
+  // The standard list filter.
+  string filter = 1;
+
+  // The standard list page size.
+  int32 page_size = 2;
+
+  // The standard list page token.
+  string page_token = 3;
+}
+
+// The response message for [Operations.ListOperations][google.longrunning.Operations.ListOperations].
+message ListOperationsResponse {
+  // A list of operations that matches the specified filter in the request.
+  repeated Operation operations = 1;
+
+  // The standard List next-page token.
+  string next_page_token = 2;
+}
+
+// The request message for [Operations.CancelOperation][google.longrunning.Operations.CancelOperation].
+message CancelOperationRequest {
+  // The name of the operation resource to be cancelled.
+  string name = 1;
+}
+
+// The request message for [Operations.DeleteOperation][google.longrunning.Operations.DeleteOperation].
+message DeleteOperationRequest {
+  // The name of the operation resource to be deleted.
+  string name = 1;
+}
+
diff --git a/build/extracted-include-protos/main/google/protobuf/any.proto b/build/extracted-include-protos/main/google/protobuf/any.proto
new file mode 100644
index 0000000000000000000000000000000000000000..c9be85416736c6bfb51e8f386535de45076ecdba
--- /dev/null
+++ b/build/extracted-include-protos/main/google/protobuf/any.proto
@@ -0,0 +1,155 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option go_package = "github.com/golang/protobuf/ptypes/any";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "AnyProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+
+// `Any` contains an arbitrary serialized protocol buffer message along with a
+// URL that describes the type of the serialized message.
+//
+// Protobuf library provides support to pack/unpack Any values in the form
+// of utility functions or additional generated methods of the Any type.
+//
+// Example 1: Pack and unpack a message in C++.
+//
+//     Foo foo = ...;
+//     Any any;
+//     any.PackFrom(foo);
+//     ...
+//     if (any.UnpackTo(&foo)) {
+//       ...
+//     }
+//
+// Example 2: Pack and unpack a message in Java.
+//
+//     Foo foo = ...;
+//     Any any = Any.pack(foo);
+//     ...
+//     if (any.is(Foo.class)) {
+//       foo = any.unpack(Foo.class);
+//     }
+//
+//  Example 3: Pack and unpack a message in Python.
+//
+//     foo = Foo(...)
+//     any = Any()
+//     any.Pack(foo)
+//     ...
+//     if any.Is(Foo.DESCRIPTOR):
+//       any.Unpack(foo)
+//       ...
+//
+//  Example 4: Pack and unpack a message in Go
+//
+//      foo := &pb.Foo{...}
+//      any, err := ptypes.MarshalAny(foo)
+//      ...
+//      foo := &pb.Foo{}
+//      if err := ptypes.UnmarshalAny(any, foo); err != nil {
+//        ...
+//      }
+//
+// The pack methods provided by protobuf library will by default use
+// 'type.googleapis.com/full.type.name' as the type URL and the unpack
+// methods only use the fully qualified type name after the last '/'
+// in the type URL, for example "foo.bar.com/x/y.z" will yield type
+// name "y.z".
+//
+//
+// JSON
+// ====
+// The JSON representation of an `Any` value uses the regular
+// representation of the deserialized, embedded message, with an
+// additional field `@type` which contains the type URL. Example:
+//
+//     package google.profile;
+//     message Person {
+//       string first_name = 1;
+//       string last_name = 2;
+//     }
+//
+//     {
+//       "@type": "type.googleapis.com/google.profile.Person",
+//       "firstName": <string>,
+//       "lastName": <string>
+//     }
+//
+// If the embedded message type is well-known and has a custom JSON
+// representation, that representation will be embedded adding a field
+// `value` which holds the custom JSON in addition to the `@type`
+// field. Example (for message [google.protobuf.Duration][]):
+//
+//     {
+//       "@type": "type.googleapis.com/google.protobuf.Duration",
+//       "value": "1.212s"
+//     }
+//
+message Any {
+  // A URL/resource name that uniquely identifies the type of the serialized
+  // protocol buffer message. This string must contain at least
+  // one "/" character. The last segment of the URL's path must represent
+  // the fully qualified name of the type (as in
+  // `path/google.protobuf.Duration`). The name should be in a canonical form
+  // (e.g., leading "." is not accepted).
+  //
+  // In practice, teams usually precompile into the binary all types that they
+  // expect it to use in the context of Any. However, for URLs which use the
+  // scheme `http`, `https`, or no scheme, one can optionally set up a type
+  // server that maps type URLs to message definitions as follows:
+  //
+  // * If no scheme is provided, `https` is assumed.
+  // * An HTTP GET on the URL must yield a [google.protobuf.Type][]
+  //   value in binary format, or produce an error.
+  // * Applications are allowed to cache lookup results based on the
+  //   URL, or have them precompiled into a binary to avoid any
+  //   lookup. Therefore, binary compatibility needs to be preserved
+  //   on changes to types. (Use versioned type names to manage
+  //   breaking changes.)
+  //
+  // Note: this functionality is not currently available in the official
+  // protobuf release, and it is not used for type URLs beginning with
+  // type.googleapis.com.
+  //
+  // Schemes other than `http`, `https` (or the empty scheme) might be
+  // used with implementation specific semantics.
+  //
+  string type_url = 1;
+
+  // Must be a valid serialized protocol buffer of the above specified type.
+  bytes value = 2;
+}
diff --git a/build/extracted-include-protos/main/google/protobuf/api.proto b/build/extracted-include-protos/main/google/protobuf/api.proto
new file mode 100644
index 0000000000000000000000000000000000000000..f37ee2fa46baaf49a4e281db7e692ba0ffb4aea8
--- /dev/null
+++ b/build/extracted-include-protos/main/google/protobuf/api.proto
@@ -0,0 +1,210 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+import "google/protobuf/source_context.proto";
+import "google/protobuf/type.proto";
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "ApiProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+option go_package = "google.golang.org/genproto/protobuf/api;api";
+
+// Api is a light-weight descriptor for an API Interface.
+//
+// Interfaces are also described as "protocol buffer services" in some contexts,
+// such as by the "service" keyword in a .proto file, but they are different
+// from API Services, which represent a concrete implementation of an interface
+// as opposed to simply a description of methods and bindings. They are also
+// sometimes simply referred to as "APIs" in other contexts, such as the name of
+// this message itself. See https://cloud.google.com/apis/design/glossary for
+// detailed terminology.
+message Api {
+
+  // The fully qualified name of this interface, including package name
+  // followed by the interface's simple name.
+  string name = 1;
+
+  // The methods of this interface, in unspecified order.
+  repeated Method methods = 2;
+
+  // Any metadata attached to the interface.
+  repeated Option options = 3;
+
+  // A version string for this interface. If specified, must have the form
+  // `major-version.minor-version`, as in `1.10`. If the minor version is
+  // omitted, it defaults to zero. If the entire version field is empty, the
+  // major version is derived from the package name, as outlined below. If the
+  // field is not empty, the version in the package name will be verified to be
+  // consistent with what is provided here.
+  //
+  // The versioning schema uses [semantic
+  // versioning](http://semver.org) where the major version number
+  // indicates a breaking change and the minor version an additive,
+  // non-breaking change. Both version numbers are signals to users
+  // what to expect from different versions, and should be carefully
+  // chosen based on the product plan.
+  //
+  // The major version is also reflected in the package name of the
+  // interface, which must end in `v<major-version>`, as in
+  // `google.feature.v1`. For major versions 0 and 1, the suffix can
+  // be omitted. Zero major versions must only be used for
+  // experimental, non-GA interfaces.
+  //
+  //
+  string version = 4;
+
+  // Source context for the protocol buffer service represented by this
+  // message.
+  SourceContext source_context = 5;
+
+  // Included interfaces. See [Mixin][].
+  repeated Mixin mixins = 6;
+
+  // The source syntax of the service.
+  Syntax syntax = 7;
+}
+
+// Method represents a method of an API interface.
+message Method {
+
+  // The simple name of this method.
+  string name = 1;
+
+  // A URL of the input message type.
+  string request_type_url = 2;
+
+  // If true, the request is streamed.
+  bool request_streaming = 3;
+
+  // The URL of the output message type.
+  string response_type_url = 4;
+
+  // If true, the response is streamed.
+  bool response_streaming = 5;
+
+  // Any metadata attached to the method.
+  repeated Option options = 6;
+
+  // The source syntax of this method.
+  Syntax syntax = 7;
+}
+
+// Declares an API Interface to be included in this interface. The including
+// interface must redeclare all the methods from the included interface, but
+// documentation and options are inherited as follows:
+//
+// - If after comment and whitespace stripping, the documentation
+//   string of the redeclared method is empty, it will be inherited
+//   from the original method.
+//
+// - Each annotation belonging to the service config (http,
+//   visibility) which is not set in the redeclared method will be
+//   inherited.
+//
+// - If an http annotation is inherited, the path pattern will be
+//   modified as follows. Any version prefix will be replaced by the
+//   version of the including interface plus the [root][] path if
+//   specified.
+//
+// Example of a simple mixin:
+//
+//     package google.acl.v1;
+//     service AccessControl {
+//       // Get the underlying ACL object.
+//       rpc GetAcl(GetAclRequest) returns (Acl) {
+//         option (google.api.http).get = "/v1/{resource=**}:getAcl";
+//       }
+//     }
+//
+//     package google.storage.v2;
+//     service Storage {
+//       rpc GetAcl(GetAclRequest) returns (Acl);
+//
+//       // Get a data record.
+//       rpc GetData(GetDataRequest) returns (Data) {
+//         option (google.api.http).get = "/v2/{resource=**}";
+//       }
+//     }
+//
+// Example of a mixin configuration:
+//
+//     apis:
+//     - name: google.storage.v2.Storage
+//       mixins:
+//       - name: google.acl.v1.AccessControl
+//
+// The mixin construct implies that all methods in `AccessControl` are
+// also declared with same name and request/response types in
+// `Storage`. A documentation generator or annotation processor will
+// see the effective `Storage.GetAcl` method after inherting
+// documentation and annotations as follows:
+//
+//     service Storage {
+//       // Get the underlying ACL object.
+//       rpc GetAcl(GetAclRequest) returns (Acl) {
+//         option (google.api.http).get = "/v2/{resource=**}:getAcl";
+//       }
+//       ...
+//     }
+//
+// Note how the version in the path pattern changed from `v1` to `v2`.
+//
+// If the `root` field in the mixin is specified, it should be a
+// relative path under which inherited HTTP paths are placed. Example:
+//
+//     apis:
+//     - name: google.storage.v2.Storage
+//       mixins:
+//       - name: google.acl.v1.AccessControl
+//         root: acls
+//
+// This implies the following inherited HTTP annotation:
+//
+//     service Storage {
+//       // Get the underlying ACL object.
+//       rpc GetAcl(GetAclRequest) returns (Acl) {
+//         option (google.api.http).get = "/v2/acls/{resource=**}:getAcl";
+//       }
+//       ...
+//     }
+message Mixin {
+  // The fully qualified name of the interface which is included.
+  string name = 1;
+
+  // If non-empty specifies a path under which inherited HTTP paths
+  // are rooted.
+  string root = 2;
+}
diff --git a/build/extracted-include-protos/main/google/protobuf/compiler/plugin.proto b/build/extracted-include-protos/main/google/protobuf/compiler/plugin.proto
new file mode 100644
index 0000000000000000000000000000000000000000..665e5a725d8ce471e91fb741c3bf6bc6ca7d0d2b
--- /dev/null
+++ b/build/extracted-include-protos/main/google/protobuf/compiler/plugin.proto
@@ -0,0 +1,168 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+//
+// WARNING:  The plugin interface is currently EXPERIMENTAL and is subject to
+//   change.
+//
+// protoc (aka the Protocol Compiler) can be extended via plugins.  A plugin is
+// just a program that reads a CodeGeneratorRequest from stdin and writes a
+// CodeGeneratorResponse to stdout.
+//
+// Plugins written using C++ can use google/protobuf/compiler/plugin.h instead
+// of dealing with the raw protocol defined here.
+//
+// A plugin executable needs only to be placed somewhere in the path.  The
+// plugin should be named "protoc-gen-$NAME", and will then be used when the
+// flag "--${NAME}_out" is passed to protoc.
+
+syntax = "proto2";
+
+package google.protobuf.compiler;
+option java_package = "com.google.protobuf.compiler";
+option java_outer_classname = "PluginProtos";
+
+option go_package = "github.com/golang/protobuf/protoc-gen-go/plugin;plugin_go";
+
+import "google/protobuf/descriptor.proto";
+
+// The version number of protocol compiler.
+message Version {
+  optional int32 major = 1;
+  optional int32 minor = 2;
+  optional int32 patch = 3;
+  // A suffix for alpha, beta or rc release, e.g., "alpha-1", "rc2". It should
+  // be empty for mainline stable releases.
+  optional string suffix = 4;
+}
+
+// An encoded CodeGeneratorRequest is written to the plugin's stdin.
+message CodeGeneratorRequest {
+  // The .proto files that were explicitly listed on the command-line.  The
+  // code generator should generate code only for these files.  Each file's
+  // descriptor will be included in proto_file, below.
+  repeated string file_to_generate = 1;
+
+  // The generator parameter passed on the command-line.
+  optional string parameter = 2;
+
+  // FileDescriptorProtos for all files in files_to_generate and everything
+  // they import.  The files will appear in topological order, so each file
+  // appears before any file that imports it.
+  //
+  // protoc guarantees that all proto_files will be written after
+  // the fields above, even though this is not technically guaranteed by the
+  // protobuf wire format.  This theoretically could allow a plugin to stream
+  // in the FileDescriptorProtos and handle them one by one rather than read
+  // the entire set into memory at once.  However, as of this writing, this
+  // is not similarly optimized on protoc's end -- it will store all fields in
+  // memory at once before sending them to the plugin.
+  //
+  // Type names of fields and extensions in the FileDescriptorProto are always
+  // fully qualified.
+  repeated FileDescriptorProto proto_file = 15;
+
+  // The version number of protocol compiler.
+  optional Version compiler_version = 3;
+
+}
+
+// The plugin writes an encoded CodeGeneratorResponse to stdout.
+message CodeGeneratorResponse {
+  // Error message.  If non-empty, code generation failed.  The plugin process
+  // should exit with status code zero even if it reports an error in this way.
+  //
+  // This should be used to indicate errors in .proto files which prevent the
+  // code generator from generating correct code.  Errors which indicate a
+  // problem in protoc itself -- such as the input CodeGeneratorRequest being
+  // unparseable -- should be reported by writing a message to stderr and
+  // exiting with a non-zero status code.
+  optional string error = 1;
+
+  // Represents a single generated file.
+  message File {
+    // The file name, relative to the output directory.  The name must not
+    // contain "." or ".." components and must be relative, not be absolute (so,
+    // the file cannot lie outside the output directory).  "/" must be used as
+    // the path separator, not "\".
+    //
+    // If the name is omitted, the content will be appended to the previous
+    // file.  This allows the generator to break large files into small chunks,
+    // and allows the generated text to be streamed back to protoc so that large
+    // files need not reside completely in memory at one time.  Note that as of
+    // this writing protoc does not optimize for this -- it will read the entire
+    // CodeGeneratorResponse before writing files to disk.
+    optional string name = 1;
+
+    // If non-empty, indicates that the named file should already exist, and the
+    // content here is to be inserted into that file at a defined insertion
+    // point.  This feature allows a code generator to extend the output
+    // produced by another code generator.  The original generator may provide
+    // insertion points by placing special annotations in the file that look
+    // like:
+    //   @@protoc_insertion_point(NAME)
+    // The annotation can have arbitrary text before and after it on the line,
+    // which allows it to be placed in a comment.  NAME should be replaced with
+    // an identifier naming the point -- this is what other generators will use
+    // as the insertion_point.  Code inserted at this point will be placed
+    // immediately above the line containing the insertion point (thus multiple
+    // insertions to the same point will come out in the order they were added).
+    // The double-@ is intended to make it unlikely that the generated code
+    // could contain things that look like insertion points by accident.
+    //
+    // For example, the C++ code generator places the following line in the
+    // .pb.h files that it generates:
+    //   // @@protoc_insertion_point(namespace_scope)
+    // This line appears within the scope of the file's package namespace, but
+    // outside of any particular class.  Another plugin can then specify the
+    // insertion_point "namespace_scope" to generate additional classes or
+    // other declarations that should be placed in this scope.
+    //
+    // Note that if the line containing the insertion point begins with
+    // whitespace, the same whitespace will be added to every line of the
+    // inserted text.  This is useful for languages like Python, where
+    // indentation matters.  In these languages, the insertion point comment
+    // should be indented the same amount as any inserted code will need to be
+    // in order to work correctly in that context.
+    //
+    // The code generator that generates the initial file and the one which
+    // inserts into it must both run as part of a single invocation of protoc.
+    // Code generators are executed in the order in which they appear on the
+    // command line.
+    //
+    // If |insertion_point| is present, |name| must also be present.
+    optional string insertion_point = 2;
+
+    // The file contents.
+    optional string content = 15;
+  }
+  repeated File file = 15;
+}
diff --git a/build/extracted-include-protos/main/google/protobuf/descriptor.proto b/build/extracted-include-protos/main/google/protobuf/descriptor.proto
new file mode 100644
index 0000000000000000000000000000000000000000..a2102d7aa9960460194b61bde7c5e2e870f13166
--- /dev/null
+++ b/build/extracted-include-protos/main/google/protobuf/descriptor.proto
@@ -0,0 +1,885 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+//
+// The messages in this file describe the definitions found in .proto files.
+// A valid .proto file can be translated directly to a FileDescriptorProto
+// without any other information (e.g. without reading its imports).
+
+
+syntax = "proto2";
+
+package google.protobuf;
+
+option go_package = "github.com/golang/protobuf/protoc-gen-go/descriptor;descriptor";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "DescriptorProtos";
+option csharp_namespace = "Google.Protobuf.Reflection";
+option objc_class_prefix = "GPB";
+option cc_enable_arenas = true;
+
+// descriptor.proto must be optimized for speed because reflection-based
+// algorithms don't work during bootstrapping.
+option optimize_for = SPEED;
+
+// The protocol compiler can output a FileDescriptorSet containing the .proto
+// files it parses.
+message FileDescriptorSet {
+  repeated FileDescriptorProto file = 1;
+}
+
+// Describes a complete .proto file.
+message FileDescriptorProto {
+  optional string name = 1;     // file name, relative to root of source tree
+  optional string package = 2;  // e.g. "foo", "foo.bar", etc.
+
+  // Names of files imported by this file.
+  repeated string dependency = 3;
+  // Indexes of the public imported files in the dependency list above.
+  repeated int32 public_dependency = 10;
+  // Indexes of the weak imported files in the dependency list.
+  // For Google-internal migration only. Do not use.
+  repeated int32 weak_dependency = 11;
+
+  // All top-level definitions in this file.
+  repeated DescriptorProto message_type = 4;
+  repeated EnumDescriptorProto enum_type = 5;
+  repeated ServiceDescriptorProto service = 6;
+  repeated FieldDescriptorProto extension = 7;
+
+  optional FileOptions options = 8;
+
+  // This field contains optional information about the original source code.
+  // You may safely remove this entire field without harming runtime
+  // functionality of the descriptors -- the information is needed only by
+  // development tools.
+  optional SourceCodeInfo source_code_info = 9;
+
+  // The syntax of the proto file.
+  // The supported values are "proto2" and "proto3".
+  optional string syntax = 12;
+}
+
+// Describes a message type.
+message DescriptorProto {
+  optional string name = 1;
+
+  repeated FieldDescriptorProto field = 2;
+  repeated FieldDescriptorProto extension = 6;
+
+  repeated DescriptorProto nested_type = 3;
+  repeated EnumDescriptorProto enum_type = 4;
+
+  message ExtensionRange {
+    optional int32 start = 1;  // Inclusive.
+    optional int32 end = 2;    // Exclusive.
+
+    optional ExtensionRangeOptions options = 3;
+  }
+  repeated ExtensionRange extension_range = 5;
+
+  repeated OneofDescriptorProto oneof_decl = 8;
+
+  optional MessageOptions options = 7;
+
+  // Range of reserved tag numbers. Reserved tag numbers may not be used by
+  // fields or extension ranges in the same message. Reserved ranges may
+  // not overlap.
+  message ReservedRange {
+    optional int32 start = 1;  // Inclusive.
+    optional int32 end = 2;    // Exclusive.
+  }
+  repeated ReservedRange reserved_range = 9;
+  // Reserved field names, which may not be used by fields in the same message.
+  // A given name may only be reserved once.
+  repeated string reserved_name = 10;
+}
+
+message ExtensionRangeOptions {
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+// Describes a field within a message.
+message FieldDescriptorProto {
+  enum Type {
+    // 0 is reserved for errors.
+    // Order is weird for historical reasons.
+    TYPE_DOUBLE = 1;
+    TYPE_FLOAT = 2;
+    // Not ZigZag encoded.  Negative numbers take 10 bytes.  Use TYPE_SINT64 if
+    // negative values are likely.
+    TYPE_INT64 = 3;
+    TYPE_UINT64 = 4;
+    // Not ZigZag encoded.  Negative numbers take 10 bytes.  Use TYPE_SINT32 if
+    // negative values are likely.
+    TYPE_INT32 = 5;
+    TYPE_FIXED64 = 6;
+    TYPE_FIXED32 = 7;
+    TYPE_BOOL = 8;
+    TYPE_STRING = 9;
+    // Tag-delimited aggregate.
+    // Group type is deprecated and not supported in proto3. However, Proto3
+    // implementations should still be able to parse the group wire format and
+    // treat group fields as unknown fields.
+    TYPE_GROUP = 10;
+    TYPE_MESSAGE = 11;  // Length-delimited aggregate.
+
+    // New in version 2.
+    TYPE_BYTES = 12;
+    TYPE_UINT32 = 13;
+    TYPE_ENUM = 14;
+    TYPE_SFIXED32 = 15;
+    TYPE_SFIXED64 = 16;
+    TYPE_SINT32 = 17;  // Uses ZigZag encoding.
+    TYPE_SINT64 = 18;  // Uses ZigZag encoding.
+  }
+
+  enum Label {
+    // 0 is reserved for errors
+    LABEL_OPTIONAL = 1;
+    LABEL_REQUIRED = 2;
+    LABEL_REPEATED = 3;
+  }
+
+  optional string name = 1;
+  optional int32 number = 3;
+  optional Label label = 4;
+
+  // If type_name is set, this need not be set.  If both this and type_name
+  // are set, this must be one of TYPE_ENUM, TYPE_MESSAGE or TYPE_GROUP.
+  optional Type type = 5;
+
+  // For message and enum types, this is the name of the type.  If the name
+  // starts with a '.', it is fully-qualified.  Otherwise, C++-like scoping
+  // rules are used to find the type (i.e. first the nested types within this
+  // message are searched, then within the parent, on up to the root
+  // namespace).
+  optional string type_name = 6;
+
+  // For extensions, this is the name of the type being extended.  It is
+  // resolved in the same manner as type_name.
+  optional string extendee = 2;
+
+  // For numeric types, contains the original text representation of the value.
+  // For booleans, "true" or "false".
+  // For strings, contains the default text contents (not escaped in any way).
+  // For bytes, contains the C escaped value.  All bytes >= 128 are escaped.
+  // TODO(kenton):  Base-64 encode?
+  optional string default_value = 7;
+
+  // If set, gives the index of a oneof in the containing type's oneof_decl
+  // list.  This field is a member of that oneof.
+  optional int32 oneof_index = 9;
+
+  // JSON name of this field. The value is set by protocol compiler. If the
+  // user has set a "json_name" option on this field, that option's value
+  // will be used. Otherwise, it's deduced from the field's name by converting
+  // it to camelCase.
+  optional string json_name = 10;
+
+  optional FieldOptions options = 8;
+}
+
+// Describes a oneof.
+message OneofDescriptorProto {
+  optional string name = 1;
+  optional OneofOptions options = 2;
+}
+
+// Describes an enum type.
+message EnumDescriptorProto {
+  optional string name = 1;
+
+  repeated EnumValueDescriptorProto value = 2;
+
+  optional EnumOptions options = 3;
+
+  // Range of reserved numeric values. Reserved values may not be used by
+  // entries in the same enum. Reserved ranges may not overlap.
+  //
+  // Note that this is distinct from DescriptorProto.ReservedRange in that it
+  // is inclusive such that it can appropriately represent the entire int32
+  // domain.
+  message EnumReservedRange {
+    optional int32 start = 1;  // Inclusive.
+    optional int32 end = 2;    // Inclusive.
+  }
+
+  // Range of reserved numeric values. Reserved numeric values may not be used
+  // by enum values in the same enum declaration. Reserved ranges may not
+  // overlap.
+  repeated EnumReservedRange reserved_range = 4;
+
+  // Reserved enum value names, which may not be reused. A given name may only
+  // be reserved once.
+  repeated string reserved_name = 5;
+}
+
+// Describes a value within an enum.
+message EnumValueDescriptorProto {
+  optional string name = 1;
+  optional int32 number = 2;
+
+  optional EnumValueOptions options = 3;
+}
+
+// Describes a service.
+message ServiceDescriptorProto {
+  optional string name = 1;
+  repeated MethodDescriptorProto method = 2;
+
+  optional ServiceOptions options = 3;
+}
+
+// Describes a method of a service.
+message MethodDescriptorProto {
+  optional string name = 1;
+
+  // Input and output type names.  These are resolved in the same way as
+  // FieldDescriptorProto.type_name, but must refer to a message type.
+  optional string input_type = 2;
+  optional string output_type = 3;
+
+  optional MethodOptions options = 4;
+
+  // Identifies if client streams multiple client messages
+  optional bool client_streaming = 5 [default = false];
+  // Identifies if server streams multiple server messages
+  optional bool server_streaming = 6 [default = false];
+}
+
+
+// ===================================================================
+// Options
+
+// Each of the definitions above may have "options" attached.  These are
+// just annotations which may cause code to be generated slightly differently
+// or may contain hints for code that manipulates protocol messages.
+//
+// Clients may define custom options as extensions of the *Options messages.
+// These extensions may not yet be known at parsing time, so the parser cannot
+// store the values in them.  Instead it stores them in a field in the *Options
+// message called uninterpreted_option. This field must have the same name
+// across all *Options messages. We then use this field to populate the
+// extensions when we build a descriptor, at which point all protos have been
+// parsed and so all extensions are known.
+//
+// Extension numbers for custom options may be chosen as follows:
+// * For options which will only be used within a single application or
+//   organization, or for experimental options, use field numbers 50000
+//   through 99999.  It is up to you to ensure that you do not use the
+//   same number for multiple options.
+// * For options which will be published and used publicly by multiple
+//   independent entities, e-mail protobuf-global-extension-registry@google.com
+//   to reserve extension numbers. Simply provide your project name (e.g.
+//   Objective-C plugin) and your project website (if available) -- there's no
+//   need to explain how you intend to use them. Usually you only need one
+//   extension number. You can declare multiple options with only one extension
+//   number by putting them in a sub-message. See the Custom Options section of
+//   the docs for examples:
+//   https://developers.google.com/protocol-buffers/docs/proto#options
+//   If this turns out to be popular, a web service will be set up
+//   to automatically assign option numbers.
+
+message FileOptions {
+
+  // Sets the Java package where classes generated from this .proto will be
+  // placed.  By default, the proto package is used, but this is often
+  // inappropriate because proto packages do not normally start with backwards
+  // domain names.
+  optional string java_package = 1;
+
+
+  // If set, all the classes from the .proto file are wrapped in a single
+  // outer class with the given name.  This applies to both Proto1
+  // (equivalent to the old "--one_java_file" option) and Proto2 (where
+  // a .proto always translates to a single class, but you may want to
+  // explicitly choose the class name).
+  optional string java_outer_classname = 8;
+
+  // If set true, then the Java code generator will generate a separate .java
+  // file for each top-level message, enum, and service defined in the .proto
+  // file.  Thus, these types will *not* be nested inside the outer class
+  // named by java_outer_classname.  However, the outer class will still be
+  // generated to contain the file's getDescriptor() method as well as any
+  // top-level extensions defined in the file.
+  optional bool java_multiple_files = 10 [default = false];
+
+  // This option does nothing.
+  optional bool java_generate_equals_and_hash = 20 [deprecated=true];
+
+  // If set true, then the Java2 code generator will generate code that
+  // throws an exception whenever an attempt is made to assign a non-UTF-8
+  // byte sequence to a string field.
+  // Message reflection will do the same.
+  // However, an extension field still accepts non-UTF-8 byte sequences.
+  // This option has no effect on when used with the lite runtime.
+  optional bool java_string_check_utf8 = 27 [default = false];
+
+
+  // Generated classes can be optimized for speed or code size.
+  enum OptimizeMode {
+    SPEED = 1;         // Generate complete code for parsing, serialization,
+                       // etc.
+    CODE_SIZE = 2;     // Use ReflectionOps to implement these methods.
+    LITE_RUNTIME = 3;  // Generate code using MessageLite and the lite runtime.
+  }
+  optional OptimizeMode optimize_for = 9 [default = SPEED];
+
+  // Sets the Go package where structs generated from this .proto will be
+  // placed. If omitted, the Go package will be derived from the following:
+  //   - The basename of the package import path, if provided.
+  //   - Otherwise, the package statement in the .proto file, if present.
+  //   - Otherwise, the basename of the .proto file, without extension.
+  optional string go_package = 11;
+
+
+
+
+  // Should generic services be generated in each language?  "Generic" services
+  // are not specific to any particular RPC system.  They are generated by the
+  // main code generators in each language (without additional plugins).
+  // Generic services were the only kind of service generation supported by
+  // early versions of google.protobuf.
+  //
+  // Generic services are now considered deprecated in favor of using plugins
+  // that generate code specific to your particular RPC system.  Therefore,
+  // these default to false.  Old code which depends on generic services should
+  // explicitly set them to true.
+  optional bool cc_generic_services = 16 [default = false];
+  optional bool java_generic_services = 17 [default = false];
+  optional bool py_generic_services = 18 [default = false];
+  optional bool php_generic_services = 42 [default = false];
+
+  // Is this file deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for everything in the file, or it will be completely ignored; in the very
+  // least, this is a formalization for deprecating files.
+  optional bool deprecated = 23 [default = false];
+
+  // Enables the use of arenas for the proto messages in this file. This applies
+  // only to generated classes for C++.
+  optional bool cc_enable_arenas = 31 [default = false];
+
+
+  // Sets the objective c class prefix which is prepended to all objective c
+  // generated classes from this .proto. There is no default.
+  optional string objc_class_prefix = 36;
+
+  // Namespace for generated classes; defaults to the package.
+  optional string csharp_namespace = 37;
+
+  // By default Swift generators will take the proto package and CamelCase it
+  // replacing '.' with underscore and use that to prefix the types/symbols
+  // defined. When this options is provided, they will use this value instead
+  // to prefix the types/symbols defined.
+  optional string swift_prefix = 39;
+
+  // Sets the php class prefix which is prepended to all php generated classes
+  // from this .proto. Default is empty.
+  optional string php_class_prefix = 40;
+
+  // Use this option to change the namespace of php generated classes. Default
+  // is empty. When this option is empty, the package name will be used for
+  // determining the namespace.
+  optional string php_namespace = 41;
+
+  // Use this option to change the namespace of php generated metadata classes.
+  // Default is empty. When this option is empty, the proto file name will be
+  // used for determining the namespace.
+  optional string php_metadata_namespace = 44;
+
+  // Use this option to change the package of ruby generated classes. Default
+  // is empty. When this option is not set, the package name will be used for
+  // determining the ruby package.
+  optional string ruby_package = 45;
+
+
+  // The parser stores options it doesn't recognize here.
+  // See the documentation for the "Options" section above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message.
+  // See the documentation for the "Options" section above.
+  extensions 1000 to max;
+
+  reserved 38;
+}
+
+message MessageOptions {
+  // Set true to use the old proto1 MessageSet wire format for extensions.
+  // This is provided for backwards-compatibility with the MessageSet wire
+  // format.  You should not use this for any other reason:  It's less
+  // efficient, has fewer features, and is more complicated.
+  //
+  // The message must be defined exactly as follows:
+  //   message Foo {
+  //     option message_set_wire_format = true;
+  //     extensions 4 to max;
+  //   }
+  // Note that the message cannot have any defined fields; MessageSets only
+  // have extensions.
+  //
+  // All extensions of your type must be singular messages; e.g. they cannot
+  // be int32s, enums, or repeated messages.
+  //
+  // Because this is an option, the above two restrictions are not enforced by
+  // the protocol compiler.
+  optional bool message_set_wire_format = 1 [default = false];
+
+  // Disables the generation of the standard "descriptor()" accessor, which can
+  // conflict with a field of the same name.  This is meant to make migration
+  // from proto1 easier; new code should avoid fields named "descriptor".
+  optional bool no_standard_descriptor_accessor = 2 [default = false];
+
+  // Is this message deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the message, or it will be completely ignored; in the very least,
+  // this is a formalization for deprecating messages.
+  optional bool deprecated = 3 [default = false];
+
+  // Whether the message is an automatically generated map entry type for the
+  // maps field.
+  //
+  // For maps fields:
+  //     map<KeyType, ValueType> map_field = 1;
+  // The parsed descriptor looks like:
+  //     message MapFieldEntry {
+  //         option map_entry = true;
+  //         optional KeyType key = 1;
+  //         optional ValueType value = 2;
+  //     }
+  //     repeated MapFieldEntry map_field = 1;
+  //
+  // Implementations may choose not to generate the map_entry=true message, but
+  // use a native map in the target language to hold the keys and values.
+  // The reflection APIs in such implementations still need to work as
+  // if the field is a repeated message field.
+  //
+  // NOTE: Do not set the option in .proto files. Always use the maps syntax
+  // instead. The option should only be implicitly set by the proto compiler
+  // parser.
+  optional bool map_entry = 7;
+
+  reserved 8;  // javalite_serializable
+  reserved 9;  // javanano_as_lite
+
+
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+message FieldOptions {
+  // The ctype option instructs the C++ code generator to use a different
+  // representation of the field than it normally would.  See the specific
+  // options below.  This option is not yet implemented in the open source
+  // release -- sorry, we'll try to include it in a future version!
+  optional CType ctype = 1 [default = STRING];
+  enum CType {
+    // Default mode.
+    STRING = 0;
+
+    CORD = 1;
+
+    STRING_PIECE = 2;
+  }
+  // The packed option can be enabled for repeated primitive fields to enable
+  // a more efficient representation on the wire. Rather than repeatedly
+  // writing the tag and type for each element, the entire array is encoded as
+  // a single length-delimited blob. In proto3, only explicit setting it to
+  // false will avoid using packed encoding.
+  optional bool packed = 2;
+
+  // The jstype option determines the JavaScript type used for values of the
+  // field.  The option is permitted only for 64 bit integral and fixed types
+  // (int64, uint64, sint64, fixed64, sfixed64).  A field with jstype JS_STRING
+  // is represented as JavaScript string, which avoids loss of precision that
+  // can happen when a large value is converted to a floating point JavaScript.
+  // Specifying JS_NUMBER for the jstype causes the generated JavaScript code to
+  // use the JavaScript "number" type.  The behavior of the default option
+  // JS_NORMAL is implementation dependent.
+  //
+  // This option is an enum to permit additional types to be added, e.g.
+  // goog.math.Integer.
+  optional JSType jstype = 6 [default = JS_NORMAL];
+  enum JSType {
+    // Use the default type.
+    JS_NORMAL = 0;
+
+    // Use JavaScript strings.
+    JS_STRING = 1;
+
+    // Use JavaScript numbers.
+    JS_NUMBER = 2;
+  }
+
+  // Should this field be parsed lazily?  Lazy applies only to message-type
+  // fields.  It means that when the outer message is initially parsed, the
+  // inner message's contents will not be parsed but instead stored in encoded
+  // form.  The inner message will actually be parsed when it is first accessed.
+  //
+  // This is only a hint.  Implementations are free to choose whether to use
+  // eager or lazy parsing regardless of the value of this option.  However,
+  // setting this option true suggests that the protocol author believes that
+  // using lazy parsing on this field is worth the additional bookkeeping
+  // overhead typically needed to implement it.
+  //
+  // This option does not affect the public interface of any generated code;
+  // all method signatures remain the same.  Furthermore, thread-safety of the
+  // interface is not affected by this option; const methods remain safe to
+  // call from multiple threads concurrently, while non-const methods continue
+  // to require exclusive access.
+  //
+  //
+  // Note that implementations may choose not to check required fields within
+  // a lazy sub-message.  That is, calling IsInitialized() on the outer message
+  // may return true even if the inner message has missing required fields.
+  // This is necessary because otherwise the inner message would have to be
+  // parsed in order to perform the check, defeating the purpose of lazy
+  // parsing.  An implementation which chooses not to check required fields
+  // must be consistent about it.  That is, for any particular sub-message, the
+  // implementation must either *always* check its required fields, or *never*
+  // check its required fields, regardless of whether or not the message has
+  // been parsed.
+  optional bool lazy = 5 [default = false];
+
+  // Is this field deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for accessors, or it will be completely ignored; in the very least, this
+  // is a formalization for deprecating fields.
+  optional bool deprecated = 3 [default = false];
+
+  // For Google-internal migration only. Do not use.
+  optional bool weak = 10 [default = false];
+
+
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+
+  reserved 4;  // removed jtype
+}
+
+message OneofOptions {
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+message EnumOptions {
+
+  // Set this option to true to allow mapping different tag names to the same
+  // value.
+  optional bool allow_alias = 2;
+
+  // Is this enum deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the enum, or it will be completely ignored; in the very least, this
+  // is a formalization for deprecating enums.
+  optional bool deprecated = 3 [default = false];
+
+  reserved 5;  // javanano_as_lite
+
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+message EnumValueOptions {
+  // Is this enum value deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the enum value, or it will be completely ignored; in the very least,
+  // this is a formalization for deprecating enum values.
+  optional bool deprecated = 1 [default = false];
+
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+message ServiceOptions {
+
+  // Note:  Field numbers 1 through 32 are reserved for Google's internal RPC
+  //   framework.  We apologize for hoarding these numbers to ourselves, but
+  //   we were already using them long before we decided to release Protocol
+  //   Buffers.
+
+  // Is this service deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the service, or it will be completely ignored; in the very least,
+  // this is a formalization for deprecating services.
+  optional bool deprecated = 33 [default = false];
+
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+message MethodOptions {
+
+  // Note:  Field numbers 1 through 32 are reserved for Google's internal RPC
+  //   framework.  We apologize for hoarding these numbers to ourselves, but
+  //   we were already using them long before we decided to release Protocol
+  //   Buffers.
+
+  // Is this method deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the method, or it will be completely ignored; in the very least,
+  // this is a formalization for deprecating methods.
+  optional bool deprecated = 33 [default = false];
+
+  // Is this method side-effect-free (or safe in HTTP parlance), or idempotent,
+  // or neither? HTTP based RPC implementation may choose GET verb for safe
+  // methods, and PUT verb for idempotent methods instead of the default POST.
+  enum IdempotencyLevel {
+    IDEMPOTENCY_UNKNOWN = 0;
+    NO_SIDE_EFFECTS = 1;  // implies idempotent
+    IDEMPOTENT = 2;       // idempotent, but may have side effects
+  }
+  optional IdempotencyLevel idempotency_level = 34
+      [default = IDEMPOTENCY_UNKNOWN];
+
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+
+// A message representing a option the parser does not recognize. This only
+// appears in options protos created by the compiler::Parser class.
+// DescriptorPool resolves these when building Descriptor objects. Therefore,
+// options protos in descriptor objects (e.g. returned by Descriptor::options(),
+// or produced by Descriptor::CopyTo()) will never have UninterpretedOptions
+// in them.
+message UninterpretedOption {
+  // The name of the uninterpreted option.  Each string represents a segment in
+  // a dot-separated name.  is_extension is true iff a segment represents an
+  // extension (denoted with parentheses in options specs in .proto files).
+  // E.g.,{ ["foo", false], ["bar.baz", true], ["qux", false] } represents
+  // "foo.(bar.baz).qux".
+  message NamePart {
+    required string name_part = 1;
+    required bool is_extension = 2;
+  }
+  repeated NamePart name = 2;
+
+  // The value of the uninterpreted option, in whatever type the tokenizer
+  // identified it as during parsing. Exactly one of these should be set.
+  optional string identifier_value = 3;
+  optional uint64 positive_int_value = 4;
+  optional int64 negative_int_value = 5;
+  optional double double_value = 6;
+  optional bytes string_value = 7;
+  optional string aggregate_value = 8;
+}
+
+// ===================================================================
+// Optional source code info
+
+// Encapsulates information about the original source file from which a
+// FileDescriptorProto was generated.
+message SourceCodeInfo {
+  // A Location identifies a piece of source code in a .proto file which
+  // corresponds to a particular definition.  This information is intended
+  // to be useful to IDEs, code indexers, documentation generators, and similar
+  // tools.
+  //
+  // For example, say we have a file like:
+  //   message Foo {
+  //     optional string foo = 1;
+  //   }
+  // Let's look at just the field definition:
+  //   optional string foo = 1;
+  //   ^       ^^     ^^  ^  ^^^
+  //   a       bc     de  f  ghi
+  // We have the following locations:
+  //   span   path               represents
+  //   [a,i)  [ 4, 0, 2, 0 ]     The whole field definition.
+  //   [a,b)  [ 4, 0, 2, 0, 4 ]  The label (optional).
+  //   [c,d)  [ 4, 0, 2, 0, 5 ]  The type (string).
+  //   [e,f)  [ 4, 0, 2, 0, 1 ]  The name (foo).
+  //   [g,h)  [ 4, 0, 2, 0, 3 ]  The number (1).
+  //
+  // Notes:
+  // - A location may refer to a repeated field itself (i.e. not to any
+  //   particular index within it).  This is used whenever a set of elements are
+  //   logically enclosed in a single code segment.  For example, an entire
+  //   extend block (possibly containing multiple extension definitions) will
+  //   have an outer location whose path refers to the "extensions" repeated
+  //   field without an index.
+  // - Multiple locations may have the same path.  This happens when a single
+  //   logical declaration is spread out across multiple places.  The most
+  //   obvious example is the "extend" block again -- there may be multiple
+  //   extend blocks in the same scope, each of which will have the same path.
+  // - A location's span is not always a subset of its parent's span.  For
+  //   example, the "extendee" of an extension declaration appears at the
+  //   beginning of the "extend" block and is shared by all extensions within
+  //   the block.
+  // - Just because a location's span is a subset of some other location's span
+  //   does not mean that it is a descendant.  For example, a "group" defines
+  //   both a type and a field in a single declaration.  Thus, the locations
+  //   corresponding to the type and field and their components will overlap.
+  // - Code which tries to interpret locations should probably be designed to
+  //   ignore those that it doesn't understand, as more types of locations could
+  //   be recorded in the future.
+  repeated Location location = 1;
+  message Location {
+    // Identifies which part of the FileDescriptorProto was defined at this
+    // location.
+    //
+    // Each element is a field number or an index.  They form a path from
+    // the root FileDescriptorProto to the place where the definition.  For
+    // example, this path:
+    //   [ 4, 3, 2, 7, 1 ]
+    // refers to:
+    //   file.message_type(3)  // 4, 3
+    //       .field(7)         // 2, 7
+    //       .name()           // 1
+    // This is because FileDescriptorProto.message_type has field number 4:
+    //   repeated DescriptorProto message_type = 4;
+    // and DescriptorProto.field has field number 2:
+    //   repeated FieldDescriptorProto field = 2;
+    // and FieldDescriptorProto.name has field number 1:
+    //   optional string name = 1;
+    //
+    // Thus, the above path gives the location of a field name.  If we removed
+    // the last element:
+    //   [ 4, 3, 2, 7 ]
+    // this path refers to the whole field declaration (from the beginning
+    // of the label to the terminating semicolon).
+    repeated int32 path = 1 [packed = true];
+
+    // Always has exactly three or four elements: start line, start column,
+    // end line (optional, otherwise assumed same as start line), end column.
+    // These are packed into a single field for efficiency.  Note that line
+    // and column numbers are zero-based -- typically you will want to add
+    // 1 to each before displaying to a user.
+    repeated int32 span = 2 [packed = true];
+
+    // If this SourceCodeInfo represents a complete declaration, these are any
+    // comments appearing before and after the declaration which appear to be
+    // attached to the declaration.
+    //
+    // A series of line comments appearing on consecutive lines, with no other
+    // tokens appearing on those lines, will be treated as a single comment.
+    //
+    // leading_detached_comments will keep paragraphs of comments that appear
+    // before (but not connected to) the current element. Each paragraph,
+    // separated by empty lines, will be one comment element in the repeated
+    // field.
+    //
+    // Only the comment content is provided; comment markers (e.g. //) are
+    // stripped out.  For block comments, leading whitespace and an asterisk
+    // will be stripped from the beginning of each line other than the first.
+    // Newlines are included in the output.
+    //
+    // Examples:
+    //
+    //   optional int32 foo = 1;  // Comment attached to foo.
+    //   // Comment attached to bar.
+    //   optional int32 bar = 2;
+    //
+    //   optional string baz = 3;
+    //   // Comment attached to baz.
+    //   // Another line attached to baz.
+    //
+    //   // Comment attached to qux.
+    //   //
+    //   // Another line attached to qux.
+    //   optional double qux = 4;
+    //
+    //   // Detached comment for corge. This is not leading or trailing comments
+    //   // to qux or corge because there are blank lines separating it from
+    //   // both.
+    //
+    //   // Detached comment for corge paragraph 2.
+    //
+    //   optional string corge = 5;
+    //   /* Block comment attached
+    //    * to corge.  Leading asterisks
+    //    * will be removed. */
+    //   /* Block comment attached to
+    //    * grault. */
+    //   optional int32 grault = 6;
+    //
+    //   // ignored detached comments.
+    optional string leading_comments = 3;
+    optional string trailing_comments = 4;
+    repeated string leading_detached_comments = 6;
+  }
+}
+
+// Describes the relationship between generated code and its original source
+// file. A GeneratedCodeInfo message is associated with only one generated
+// source file, but may contain references to different source .proto files.
+message GeneratedCodeInfo {
+  // An Annotation connects some span of text in generated code to an element
+  // of its generating .proto file.
+  repeated Annotation annotation = 1;
+  message Annotation {
+    // Identifies the element in the original source .proto file. This field
+    // is formatted the same as SourceCodeInfo.Location.path.
+    repeated int32 path = 1 [packed = true];
+
+    // Identifies the filesystem path to the original source .proto.
+    optional string source_file = 2;
+
+    // Identifies the starting offset in bytes in the generated code
+    // that relates to the identified object.
+    optional int32 begin = 3;
+
+    // Identifies the ending offset in bytes in the generated code that
+    // relates to the identified offset. The end offset should be one past
+    // the last relevant byte (so the length of the text = end - begin).
+    optional int32 end = 4;
+  }
+}
diff --git a/build/extracted-include-protos/main/google/protobuf/duration.proto b/build/extracted-include-protos/main/google/protobuf/duration.proto
new file mode 100644
index 0000000000000000000000000000000000000000..99cb102c353fa02e87e7945cac72159464c4193b
--- /dev/null
+++ b/build/extracted-include-protos/main/google/protobuf/duration.proto
@@ -0,0 +1,116 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option cc_enable_arenas = true;
+option go_package = "github.com/golang/protobuf/ptypes/duration";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "DurationProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+
+// A Duration represents a signed, fixed-length span of time represented
+// as a count of seconds and fractions of seconds at nanosecond
+// resolution. It is independent of any calendar and concepts like "day"
+// or "month". It is related to Timestamp in that the difference between
+// two Timestamp values is a Duration and it can be added or subtracted
+// from a Timestamp. Range is approximately +-10,000 years.
+//
+// # Examples
+//
+// Example 1: Compute Duration from two Timestamps in pseudo code.
+//
+//     Timestamp start = ...;
+//     Timestamp end = ...;
+//     Duration duration = ...;
+//
+//     duration.seconds = end.seconds - start.seconds;
+//     duration.nanos = end.nanos - start.nanos;
+//
+//     if (duration.seconds < 0 && duration.nanos > 0) {
+//       duration.seconds += 1;
+//       duration.nanos -= 1000000000;
+//     } else if (duration.seconds > 0 && duration.nanos < 0) {
+//       duration.seconds -= 1;
+//       duration.nanos += 1000000000;
+//     }
+//
+// Example 2: Compute Timestamp from Timestamp + Duration in pseudo code.
+//
+//     Timestamp start = ...;
+//     Duration duration = ...;
+//     Timestamp end = ...;
+//
+//     end.seconds = start.seconds + duration.seconds;
+//     end.nanos = start.nanos + duration.nanos;
+//
+//     if (end.nanos < 0) {
+//       end.seconds -= 1;
+//       end.nanos += 1000000000;
+//     } else if (end.nanos >= 1000000000) {
+//       end.seconds += 1;
+//       end.nanos -= 1000000000;
+//     }
+//
+// Example 3: Compute Duration from datetime.timedelta in Python.
+//
+//     td = datetime.timedelta(days=3, minutes=10)
+//     duration = Duration()
+//     duration.FromTimedelta(td)
+//
+// # JSON Mapping
+//
+// In JSON format, the Duration type is encoded as a string rather than an
+// object, where the string ends in the suffix "s" (indicating seconds) and
+// is preceded by the number of seconds, with nanoseconds expressed as
+// fractional seconds. For example, 3 seconds with 0 nanoseconds should be
+// encoded in JSON format as "3s", while 3 seconds and 1 nanosecond should
+// be expressed in JSON format as "3.000000001s", and 3 seconds and 1
+// microsecond should be expressed in JSON format as "3.000001s".
+//
+//
+message Duration {
+  // Signed seconds of the span of time. Must be from -315,576,000,000
+  // to +315,576,000,000 inclusive. Note: these bounds are computed from:
+  // 60 sec/min * 60 min/hr * 24 hr/day * 365.25 days/year * 10000 years
+  int64 seconds = 1;
+
+  // Signed fractions of a second at nanosecond resolution of the span
+  // of time. Durations less than one second are represented with a 0
+  // `seconds` field and a positive or negative `nanos` field. For durations
+  // of one second or more, a non-zero value for the `nanos` field must be
+  // of the same sign as the `seconds` field. Must be from -999,999,999
+  // to +999,999,999 inclusive.
+  int32 nanos = 2;
+}
diff --git a/build/extracted-include-protos/main/google/protobuf/empty.proto b/build/extracted-include-protos/main/google/protobuf/empty.proto
new file mode 100644
index 0000000000000000000000000000000000000000..03cacd233088d07d8c5d167c021efb5525cb4cb9
--- /dev/null
+++ b/build/extracted-include-protos/main/google/protobuf/empty.proto
@@ -0,0 +1,52 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option go_package = "github.com/golang/protobuf/ptypes/empty";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "EmptyProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+option cc_enable_arenas = true;
+
+// A generic empty message that you can re-use to avoid defining duplicated
+// empty messages in your APIs. A typical example is to use it as the request
+// or the response type of an API method. For instance:
+//
+//     service Foo {
+//       rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
+//     }
+//
+// The JSON representation for `Empty` is empty JSON object `{}`.
+message Empty {}
diff --git a/build/extracted-include-protos/main/google/protobuf/field_mask.proto b/build/extracted-include-protos/main/google/protobuf/field_mask.proto
new file mode 100644
index 0000000000000000000000000000000000000000..4015b1a3eaf077430f6b435c7cec63f93b7b246b
--- /dev/null
+++ b/build/extracted-include-protos/main/google/protobuf/field_mask.proto
@@ -0,0 +1,245 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "FieldMaskProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+option go_package = "google.golang.org/genproto/protobuf/field_mask;field_mask";
+option cc_enable_arenas = true;
+
+// `FieldMask` represents a set of symbolic field paths, for example:
+//
+//     paths: "f.a"
+//     paths: "f.b.d"
+//
+// Here `f` represents a field in some root message, `a` and `b`
+// fields in the message found in `f`, and `d` a field found in the
+// message in `f.b`.
+//
+// Field masks are used to specify a subset of fields that should be
+// returned by a get operation or modified by an update operation.
+// Field masks also have a custom JSON encoding (see below).
+//
+// # Field Masks in Projections
+//
+// When used in the context of a projection, a response message or
+// sub-message is filtered by the API to only contain those fields as
+// specified in the mask. For example, if the mask in the previous
+// example is applied to a response message as follows:
+//
+//     f {
+//       a : 22
+//       b {
+//         d : 1
+//         x : 2
+//       }
+//       y : 13
+//     }
+//     z: 8
+//
+// The result will not contain specific values for fields x,y and z
+// (their value will be set to the default, and omitted in proto text
+// output):
+//
+//
+//     f {
+//       a : 22
+//       b {
+//         d : 1
+//       }
+//     }
+//
+// A repeated field is not allowed except at the last position of a
+// paths string.
+//
+// If a FieldMask object is not present in a get operation, the
+// operation applies to all fields (as if a FieldMask of all fields
+// had been specified).
+//
+// Note that a field mask does not necessarily apply to the
+// top-level response message. In case of a REST get operation, the
+// field mask applies directly to the response, but in case of a REST
+// list operation, the mask instead applies to each individual message
+// in the returned resource list. In case of a REST custom method,
+// other definitions may be used. Where the mask applies will be
+// clearly documented together with its declaration in the API.  In
+// any case, the effect on the returned resource/resources is required
+// behavior for APIs.
+//
+// # Field Masks in Update Operations
+//
+// A field mask in update operations specifies which fields of the
+// targeted resource are going to be updated. The API is required
+// to only change the values of the fields as specified in the mask
+// and leave the others untouched. If a resource is passed in to
+// describe the updated values, the API ignores the values of all
+// fields not covered by the mask.
+//
+// If a repeated field is specified for an update operation, new values will
+// be appended to the existing repeated field in the target resource. Note that
+// a repeated field is only allowed in the last position of a `paths` string.
+//
+// If a sub-message is specified in the last position of the field mask for an
+// update operation, then new value will be merged into the existing sub-message
+// in the target resource.
+//
+// For example, given the target message:
+//
+//     f {
+//       b {
+//         d: 1
+//         x: 2
+//       }
+//       c: [1]
+//     }
+//
+// And an update message:
+//
+//     f {
+//       b {
+//         d: 10
+//       }
+//       c: [2]
+//     }
+//
+// then if the field mask is:
+//
+//  paths: ["f.b", "f.c"]
+//
+// then the result will be:
+//
+//     f {
+//       b {
+//         d: 10
+//         x: 2
+//       }
+//       c: [1, 2]
+//     }
+//
+// An implementation may provide options to override this default behavior for
+// repeated and message fields.
+//
+// In order to reset a field's value to the default, the field must
+// be in the mask and set to the default value in the provided resource.
+// Hence, in order to reset all fields of a resource, provide a default
+// instance of the resource and set all fields in the mask, or do
+// not provide a mask as described below.
+//
+// If a field mask is not present on update, the operation applies to
+// all fields (as if a field mask of all fields has been specified).
+// Note that in the presence of schema evolution, this may mean that
+// fields the client does not know and has therefore not filled into
+// the request will be reset to their default. If this is unwanted
+// behavior, a specific service may require a client to always specify
+// a field mask, producing an error if not.
+//
+// As with get operations, the location of the resource which
+// describes the updated values in the request message depends on the
+// operation kind. In any case, the effect of the field mask is
+// required to be honored by the API.
+//
+// ## Considerations for HTTP REST
+//
+// The HTTP kind of an update operation which uses a field mask must
+// be set to PATCH instead of PUT in order to satisfy HTTP semantics
+// (PUT must only be used for full updates).
+//
+// # JSON Encoding of Field Masks
+//
+// In JSON, a field mask is encoded as a single string where paths are
+// separated by a comma. Fields name in each path are converted
+// to/from lower-camel naming conventions.
+//
+// As an example, consider the following message declarations:
+//
+//     message Profile {
+//       User user = 1;
+//       Photo photo = 2;
+//     }
+//     message User {
+//       string display_name = 1;
+//       string address = 2;
+//     }
+//
+// In proto a field mask for `Profile` may look as such:
+//
+//     mask {
+//       paths: "user.display_name"
+//       paths: "photo"
+//     }
+//
+// In JSON, the same mask is represented as below:
+//
+//     {
+//       mask: "user.displayName,photo"
+//     }
+//
+// # Field Masks and Oneof Fields
+//
+// Field masks treat fields in oneofs just as regular fields. Consider the
+// following message:
+//
+//     message SampleMessage {
+//       oneof test_oneof {
+//         string name = 4;
+//         SubMessage sub_message = 9;
+//       }
+//     }
+//
+// The field mask can be:
+//
+//     mask {
+//       paths: "name"
+//     }
+//
+// Or:
+//
+//     mask {
+//       paths: "sub_message"
+//     }
+//
+// Note that oneof type names ("test_oneof" in this case) cannot be used in
+// paths.
+//
+// ## Field Mask Verification
+//
+// The implementation of any API method which has a FieldMask type field in the
+// request should verify the included field paths, and return an
+// `INVALID_ARGUMENT` error if any path is duplicated or unmappable.
+message FieldMask {
+  // The set of field mask paths.
+  repeated string paths = 1;
+}
diff --git a/build/extracted-include-protos/main/google/protobuf/source_context.proto b/build/extracted-include-protos/main/google/protobuf/source_context.proto
new file mode 100644
index 0000000000000000000000000000000000000000..f3b2c966811f399fa95fcbf1b2a66911e10ea63a
--- /dev/null
+++ b/build/extracted-include-protos/main/google/protobuf/source_context.proto
@@ -0,0 +1,48 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "SourceContextProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+option go_package = "google.golang.org/genproto/protobuf/source_context;source_context";
+
+// `SourceContext` represents information about the source of a
+// protobuf element, like the file in which it is defined.
+message SourceContext {
+  // The path-qualified name of the .proto file that contained the associated
+  // protobuf element.  For example: `"google/protobuf/source_context.proto"`.
+  string file_name = 1;
+}
diff --git a/build/extracted-include-protos/main/google/protobuf/struct.proto b/build/extracted-include-protos/main/google/protobuf/struct.proto
new file mode 100644
index 0000000000000000000000000000000000000000..ed990e31d9590ef824a9300d8b79bb6f6909801f
--- /dev/null
+++ b/build/extracted-include-protos/main/google/protobuf/struct.proto
@@ -0,0 +1,95 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option cc_enable_arenas = true;
+option go_package = "github.com/golang/protobuf/ptypes/struct;structpb";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "StructProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+
+// `Struct` represents a structured data value, consisting of fields
+// which map to dynamically typed values. In some languages, `Struct`
+// might be supported by a native representation. For example, in
+// scripting languages like JS a struct is represented as an
+// object. The details of that representation are described together
+// with the proto support for the language.
+//
+// The JSON representation for `Struct` is JSON object.
+message Struct {
+  // Unordered map of dynamically typed values.
+  map<string, Value> fields = 1;
+}
+
+// `Value` represents a dynamically typed value which can be either
+// null, a number, a string, a boolean, a recursive struct value, or a
+// list of values. A producer of value is expected to set one of that
+// variants, absence of any variant indicates an error.
+//
+// The JSON representation for `Value` is JSON value.
+message Value {
+  // The kind of value.
+  oneof kind {
+    // Represents a null value.
+    NullValue null_value = 1;
+    // Represents a double value.
+    double number_value = 2;
+    // Represents a string value.
+    string string_value = 3;
+    // Represents a boolean value.
+    bool bool_value = 4;
+    // Represents a structured value.
+    Struct struct_value = 5;
+    // Represents a repeated `Value`.
+    ListValue list_value = 6;
+  }
+}
+
+// `NullValue` is a singleton enumeration to represent the null value for the
+// `Value` type union.
+//
+//  The JSON representation for `NullValue` is JSON `null`.
+enum NullValue {
+  // Null value.
+  NULL_VALUE = 0;
+}
+
+// `ListValue` is a wrapper around a repeated field of values.
+//
+// The JSON representation for `ListValue` is JSON array.
+message ListValue {
+  // Repeated field of dynamically typed values.
+  repeated Value values = 1;
+}
diff --git a/build/extracted-include-protos/main/google/protobuf/timestamp.proto b/build/extracted-include-protos/main/google/protobuf/timestamp.proto
new file mode 100644
index 0000000000000000000000000000000000000000..cd357864a9e47d775604ef2566eb8a4aac7436ba
--- /dev/null
+++ b/build/extracted-include-protos/main/google/protobuf/timestamp.proto
@@ -0,0 +1,138 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option cc_enable_arenas = true;
+option go_package = "github.com/golang/protobuf/ptypes/timestamp";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "TimestampProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+
+// A Timestamp represents a point in time independent of any time zone or local
+// calendar, encoded as a count of seconds and fractions of seconds at
+// nanosecond resolution. The count is relative to an epoch at UTC midnight on
+// January 1, 1970, in the proleptic Gregorian calendar which extends the
+// Gregorian calendar backwards to year one.
+//
+// All minutes are 60 seconds long. Leap seconds are "smeared" so that no leap
+// second table is needed for interpretation, using a [24-hour linear
+// smear](https://developers.google.com/time/smear).
+//
+// The range is from 0001-01-01T00:00:00Z to 9999-12-31T23:59:59.999999999Z. By
+// restricting to that range, we ensure that we can convert to and from [RFC
+// 3339](https://www.ietf.org/rfc/rfc3339.txt) date strings.
+//
+// # Examples
+//
+// Example 1: Compute Timestamp from POSIX `time()`.
+//
+//     Timestamp timestamp;
+//     timestamp.set_seconds(time(NULL));
+//     timestamp.set_nanos(0);
+//
+// Example 2: Compute Timestamp from POSIX `gettimeofday()`.
+//
+//     struct timeval tv;
+//     gettimeofday(&tv, NULL);
+//
+//     Timestamp timestamp;
+//     timestamp.set_seconds(tv.tv_sec);
+//     timestamp.set_nanos(tv.tv_usec * 1000);
+//
+// Example 3: Compute Timestamp from Win32 `GetSystemTimeAsFileTime()`.
+//
+//     FILETIME ft;
+//     GetSystemTimeAsFileTime(&ft);
+//     UINT64 ticks = (((UINT64)ft.dwHighDateTime) << 32) | ft.dwLowDateTime;
+//
+//     // A Windows tick is 100 nanoseconds. Windows epoch 1601-01-01T00:00:00Z
+//     // is 11644473600 seconds before Unix epoch 1970-01-01T00:00:00Z.
+//     Timestamp timestamp;
+//     timestamp.set_seconds((INT64) ((ticks / 10000000) - 11644473600LL));
+//     timestamp.set_nanos((INT32) ((ticks % 10000000) * 100));
+//
+// Example 4: Compute Timestamp from Java `System.currentTimeMillis()`.
+//
+//     long millis = System.currentTimeMillis();
+//
+//     Timestamp timestamp = Timestamp.newBuilder().setSeconds(millis / 1000)
+//         .setNanos((int) ((millis % 1000) * 1000000)).build();
+//
+//
+// Example 5: Compute Timestamp from current time in Python.
+//
+//     timestamp = Timestamp()
+//     timestamp.GetCurrentTime()
+//
+// # JSON Mapping
+//
+// In JSON format, the Timestamp type is encoded as a string in the
+// [RFC 3339](https://www.ietf.org/rfc/rfc3339.txt) format. That is, the
+// format is "{year}-{month}-{day}T{hour}:{min}:{sec}[.{frac_sec}]Z"
+// where {year} is always expressed using four digits while {month}, {day},
+// {hour}, {min}, and {sec} are zero-padded to two digits each. The fractional
+// seconds, which can go up to 9 digits (i.e. up to 1 nanosecond resolution),
+// are optional. The "Z" suffix indicates the timezone ("UTC"); the timezone
+// is required. A proto3 JSON serializer should always use UTC (as indicated by
+// "Z") when printing the Timestamp type and a proto3 JSON parser should be
+// able to accept both UTC and other timezones (as indicated by an offset).
+//
+// For example, "2017-01-15T01:30:15.01Z" encodes 15.01 seconds past
+// 01:30 UTC on January 15, 2017.
+//
+// In JavaScript, one can convert a Date object to this format using the
+// standard
+// [toISOString()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString)
+// method. In Python, a standard `datetime.datetime` object can be converted
+// to this format using
+// [`strftime`](https://docs.python.org/2/library/time.html#time.strftime) with
+// the time format spec '%Y-%m-%dT%H:%M:%S.%fZ'. Likewise, in Java, one can use
+// the Joda Time's [`ISODateTimeFormat.dateTime()`](
+// http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime%2D%2D
+// ) to obtain a formatter capable of generating timestamps in this format.
+//
+//
+message Timestamp {
+  // Represents seconds of UTC time since Unix epoch
+  // 1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
+  // 9999-12-31T23:59:59Z inclusive.
+  int64 seconds = 1;
+
+  // Non-negative fractions of a second at nanosecond resolution. Negative
+  // second values with fractions must still have non-negative nanos values
+  // that count forward in time. Must be from 0 to 999,999,999
+  // inclusive.
+  int32 nanos = 2;
+}
diff --git a/build/extracted-include-protos/main/google/protobuf/type.proto b/build/extracted-include-protos/main/google/protobuf/type.proto
new file mode 100644
index 0000000000000000000000000000000000000000..e4b1d3a4abffe52647e937d3068ed5f9681298e6
--- /dev/null
+++ b/build/extracted-include-protos/main/google/protobuf/type.proto
@@ -0,0 +1,187 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+import "google/protobuf/any.proto";
+import "google/protobuf/source_context.proto";
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option cc_enable_arenas = true;
+option java_package = "com.google.protobuf";
+option java_outer_classname = "TypeProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+option go_package = "google.golang.org/genproto/protobuf/ptype;ptype";
+
+// A protocol buffer message type.
+message Type {
+  // The fully qualified message name.
+  string name = 1;
+  // The list of fields.
+  repeated Field fields = 2;
+  // The list of types appearing in `oneof` definitions in this type.
+  repeated string oneofs = 3;
+  // The protocol buffer options.
+  repeated Option options = 4;
+  // The source context.
+  SourceContext source_context = 5;
+  // The source syntax.
+  Syntax syntax = 6;
+}
+
+// A single field of a message type.
+message Field {
+  // Basic field types.
+  enum Kind {
+    // Field type unknown.
+    TYPE_UNKNOWN = 0;
+    // Field type double.
+    TYPE_DOUBLE = 1;
+    // Field type float.
+    TYPE_FLOAT = 2;
+    // Field type int64.
+    TYPE_INT64 = 3;
+    // Field type uint64.
+    TYPE_UINT64 = 4;
+    // Field type int32.
+    TYPE_INT32 = 5;
+    // Field type fixed64.
+    TYPE_FIXED64 = 6;
+    // Field type fixed32.
+    TYPE_FIXED32 = 7;
+    // Field type bool.
+    TYPE_BOOL = 8;
+    // Field type string.
+    TYPE_STRING = 9;
+    // Field type group. Proto2 syntax only, and deprecated.
+    TYPE_GROUP = 10;
+    // Field type message.
+    TYPE_MESSAGE = 11;
+    // Field type bytes.
+    TYPE_BYTES = 12;
+    // Field type uint32.
+    TYPE_UINT32 = 13;
+    // Field type enum.
+    TYPE_ENUM = 14;
+    // Field type sfixed32.
+    TYPE_SFIXED32 = 15;
+    // Field type sfixed64.
+    TYPE_SFIXED64 = 16;
+    // Field type sint32.
+    TYPE_SINT32 = 17;
+    // Field type sint64.
+    TYPE_SINT64 = 18;
+  }
+
+  // Whether a field is optional, required, or repeated.
+  enum Cardinality {
+    // For fields with unknown cardinality.
+    CARDINALITY_UNKNOWN = 0;
+    // For optional fields.
+    CARDINALITY_OPTIONAL = 1;
+    // For required fields. Proto2 syntax only.
+    CARDINALITY_REQUIRED = 2;
+    // For repeated fields.
+    CARDINALITY_REPEATED = 3;
+  };
+
+  // The field type.
+  Kind kind = 1;
+  // The field cardinality.
+  Cardinality cardinality = 2;
+  // The field number.
+  int32 number = 3;
+  // The field name.
+  string name = 4;
+  // The field type URL, without the scheme, for message or enumeration
+  // types. Example: `"type.googleapis.com/google.protobuf.Timestamp"`.
+  string type_url = 6;
+  // The index of the field type in `Type.oneofs`, for message or enumeration
+  // types. The first type has index 1; zero means the type is not in the list.
+  int32 oneof_index = 7;
+  // Whether to use alternative packed wire representation.
+  bool packed = 8;
+  // The protocol buffer options.
+  repeated Option options = 9;
+  // The field JSON name.
+  string json_name = 10;
+  // The string value of the default value of this field. Proto2 syntax only.
+  string default_value = 11;
+}
+
+// Enum type definition.
+message Enum {
+  // Enum type name.
+  string name = 1;
+  // Enum value definitions.
+  repeated EnumValue enumvalue = 2;
+  // Protocol buffer options.
+  repeated Option options = 3;
+  // The source context.
+  SourceContext source_context = 4;
+  // The source syntax.
+  Syntax syntax = 5;
+}
+
+// Enum value definition.
+message EnumValue {
+  // Enum value name.
+  string name = 1;
+  // Enum value number.
+  int32 number = 2;
+  // Protocol buffer options.
+  repeated Option options = 3;
+}
+
+// A protocol buffer option, which can be attached to a message, field,
+// enumeration, etc.
+message Option {
+  // The option's name. For protobuf built-in options (options defined in
+  // descriptor.proto), this is the short name. For example, `"map_entry"`.
+  // For custom options, it should be the fully-qualified name. For example,
+  // `"google.api.http"`.
+  string name = 1;
+  // The option's value packed in an Any message. If the value is a primitive,
+  // the corresponding wrapper type defined in google/protobuf/wrappers.proto
+  // should be used. If the value is an enum, it should be stored as an int32
+  // value using the google.protobuf.Int32Value type.
+  Any value = 2;
+}
+
+// The syntax in which a protocol buffer element is defined.
+enum Syntax {
+  // Syntax `proto2`.
+  SYNTAX_PROTO2 = 0;
+  // Syntax `proto3`.
+  SYNTAX_PROTO3 = 1;
+}
diff --git a/build/extracted-include-protos/main/google/protobuf/wrappers.proto b/build/extracted-include-protos/main/google/protobuf/wrappers.proto
new file mode 100644
index 0000000000000000000000000000000000000000..9ee41e384ac7dca4b41d5cbb1ab0ac163c6dec0a
--- /dev/null
+++ b/build/extracted-include-protos/main/google/protobuf/wrappers.proto
@@ -0,0 +1,123 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Wrappers for primitive (non-message) types. These types are useful
+// for embedding primitives in the `google.protobuf.Any` type and for places
+// where we need to distinguish between the absence of a primitive
+// typed field and its default value.
+//
+// These wrappers have no meaningful use within repeated fields as they lack
+// the ability to detect presence on individual elements.
+// These wrappers have no meaningful use within a map or a oneof since
+// individual entries of a map or fields of a oneof can already detect presence.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option cc_enable_arenas = true;
+option go_package = "github.com/golang/protobuf/ptypes/wrappers";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "WrappersProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+
+// Wrapper message for `double`.
+//
+// The JSON representation for `DoubleValue` is JSON number.
+message DoubleValue {
+  // The double value.
+  double value = 1;
+}
+
+// Wrapper message for `float`.
+//
+// The JSON representation for `FloatValue` is JSON number.
+message FloatValue {
+  // The float value.
+  float value = 1;
+}
+
+// Wrapper message for `int64`.
+//
+// The JSON representation for `Int64Value` is JSON string.
+message Int64Value {
+  // The int64 value.
+  int64 value = 1;
+}
+
+// Wrapper message for `uint64`.
+//
+// The JSON representation for `UInt64Value` is JSON string.
+message UInt64Value {
+  // The uint64 value.
+  uint64 value = 1;
+}
+
+// Wrapper message for `int32`.
+//
+// The JSON representation for `Int32Value` is JSON number.
+message Int32Value {
+  // The int32 value.
+  int32 value = 1;
+}
+
+// Wrapper message for `uint32`.
+//
+// The JSON representation for `UInt32Value` is JSON number.
+message UInt32Value {
+  // The uint32 value.
+  uint32 value = 1;
+}
+
+// Wrapper message for `bool`.
+//
+// The JSON representation for `BoolValue` is JSON `true` and `false`.
+message BoolValue {
+  // The bool value.
+  bool value = 1;
+}
+
+// Wrapper message for `string`.
+//
+// The JSON representation for `StringValue` is JSON string.
+message StringValue {
+  // The string value.
+  string value = 1;
+}
+
+// Wrapper message for `bytes`.
+//
+// The JSON representation for `BytesValue` is JSON string.
+message BytesValue {
+  // The bytes value.
+  bytes value = 1;
+}
diff --git a/build/extracted-include-protos/main/google/rpc/code.proto b/build/extracted-include-protos/main/google/rpc/code.proto
new file mode 100644
index 0000000000000000000000000000000000000000..8fef411705b3fa508c0faad6beeb419c0af631ba
--- /dev/null
+++ b/build/extracted-include-protos/main/google/rpc/code.proto
@@ -0,0 +1,186 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.rpc;
+
+option go_package = "google.golang.org/genproto/googleapis/rpc/code;code";
+option java_multiple_files = true;
+option java_outer_classname = "CodeProto";
+option java_package = "com.google.rpc";
+option objc_class_prefix = "RPC";
+
+
+// The canonical error codes for Google APIs.
+//
+//
+// Sometimes multiple error codes may apply.  Services should return
+// the most specific error code that applies.  For example, prefer
+// `OUT_OF_RANGE` over `FAILED_PRECONDITION` if both codes apply.
+// Similarly prefer `NOT_FOUND` or `ALREADY_EXISTS` over `FAILED_PRECONDITION`.
+enum Code {
+  // Not an error; returned on success
+  //
+  // HTTP Mapping: 200 OK
+  OK = 0;
+
+  // The operation was cancelled, typically by the caller.
+  //
+  // HTTP Mapping: 499 Client Closed Request
+  CANCELLED = 1;
+
+  // Unknown error.  For example, this error may be returned when
+  // a `Status` value received from another address space belongs to
+  // an error space that is not known in this address space.  Also
+  // errors raised by APIs that do not return enough error information
+  // may be converted to this error.
+  //
+  // HTTP Mapping: 500 Internal Server Error
+  UNKNOWN = 2;
+
+  // The client specified an invalid argument.  Note that this differs
+  // from `FAILED_PRECONDITION`.  `INVALID_ARGUMENT` indicates arguments
+  // that are problematic regardless of the state of the system
+  // (e.g., a malformed file name).
+  //
+  // HTTP Mapping: 400 Bad Request
+  INVALID_ARGUMENT = 3;
+
+  // The deadline expired before the operation could complete. For operations
+  // that change the state of the system, this error may be returned
+  // even if the operation has completed successfully.  For example, a
+  // successful response from a server could have been delayed long
+  // enough for the deadline to expire.
+  //
+  // HTTP Mapping: 504 Gateway Timeout
+  DEADLINE_EXCEEDED = 4;
+
+  // Some requested entity (e.g., file or directory) was not found.
+  //
+  // Note to server developers: if a request is denied for an entire class
+  // of users, such as gradual feature rollout or undocumented whitelist,
+  // `NOT_FOUND` may be used. If a request is denied for some users within
+  // a class of users, such as user-based access control, `PERMISSION_DENIED`
+  // must be used.
+  //
+  // HTTP Mapping: 404 Not Found
+  NOT_FOUND = 5;
+
+  // The entity that a client attempted to create (e.g., file or directory)
+  // already exists.
+  //
+  // HTTP Mapping: 409 Conflict
+  ALREADY_EXISTS = 6;
+
+  // The caller does not have permission to execute the specified
+  // operation. `PERMISSION_DENIED` must not be used for rejections
+  // caused by exhausting some resource (use `RESOURCE_EXHAUSTED`
+  // instead for those errors). `PERMISSION_DENIED` must not be
+  // used if the caller can not be identified (use `UNAUTHENTICATED`
+  // instead for those errors). This error code does not imply the
+  // request is valid or the requested entity exists or satisfies
+  // other pre-conditions.
+  //
+  // HTTP Mapping: 403 Forbidden
+  PERMISSION_DENIED = 7;
+
+  // The request does not have valid authentication credentials for the
+  // operation.
+  //
+  // HTTP Mapping: 401 Unauthorized
+  UNAUTHENTICATED = 16;
+
+  // Some resource has been exhausted, perhaps a per-user quota, or
+  // perhaps the entire file system is out of space.
+  //
+  // HTTP Mapping: 429 Too Many Requests
+  RESOURCE_EXHAUSTED = 8;
+
+  // The operation was rejected because the system is not in a state
+  // required for the operation's execution.  For example, the directory
+  // to be deleted is non-empty, an rmdir operation is applied to
+  // a non-directory, etc.
+  //
+  // Service implementors can use the following guidelines to decide
+  // between `FAILED_PRECONDITION`, `ABORTED`, and `UNAVAILABLE`:
+  //  (a) Use `UNAVAILABLE` if the client can retry just the failing call.
+  //  (b) Use `ABORTED` if the client should retry at a higher level
+  //      (e.g., when a client-specified test-and-set fails, indicating the
+  //      client should restart a read-modify-write sequence).
+  //  (c) Use `FAILED_PRECONDITION` if the client should not retry until
+  //      the system state has been explicitly fixed.  E.g., if an "rmdir"
+  //      fails because the directory is non-empty, `FAILED_PRECONDITION`
+  //      should be returned since the client should not retry unless
+  //      the files are deleted from the directory.
+  //
+  // HTTP Mapping: 400 Bad Request
+  FAILED_PRECONDITION = 9;
+
+  // The operation was aborted, typically due to a concurrency issue such as
+  // a sequencer check failure or transaction abort.
+  //
+  // See the guidelines above for deciding between `FAILED_PRECONDITION`,
+  // `ABORTED`, and `UNAVAILABLE`.
+  //
+  // HTTP Mapping: 409 Conflict
+  ABORTED = 10;
+
+  // The operation was attempted past the valid range.  E.g., seeking or
+  // reading past end-of-file.
+  //
+  // Unlike `INVALID_ARGUMENT`, this error indicates a problem that may
+  // be fixed if the system state changes. For example, a 32-bit file
+  // system will generate `INVALID_ARGUMENT` if asked to read at an
+  // offset that is not in the range [0,2^32-1], but it will generate
+  // `OUT_OF_RANGE` if asked to read from an offset past the current
+  // file size.
+  //
+  // There is a fair bit of overlap between `FAILED_PRECONDITION` and
+  // `OUT_OF_RANGE`.  We recommend using `OUT_OF_RANGE` (the more specific
+  // error) when it applies so that callers who are iterating through
+  // a space can easily look for an `OUT_OF_RANGE` error to detect when
+  // they are done.
+  //
+  // HTTP Mapping: 400 Bad Request
+  OUT_OF_RANGE = 11;
+
+  // The operation is not implemented or is not supported/enabled in this
+  // service.
+  //
+  // HTTP Mapping: 501 Not Implemented
+  UNIMPLEMENTED = 12;
+
+  // Internal errors.  This means that some invariants expected by the
+  // underlying system have been broken.  This error code is reserved
+  // for serious errors.
+  //
+  // HTTP Mapping: 500 Internal Server Error
+  INTERNAL = 13;
+
+  // The service is currently unavailable.  This is most likely a
+  // transient condition, which can be corrected by retrying with
+  // a backoff.
+  //
+  // See the guidelines above for deciding between `FAILED_PRECONDITION`,
+  // `ABORTED`, and `UNAVAILABLE`.
+  //
+  // HTTP Mapping: 503 Service Unavailable
+  UNAVAILABLE = 14;
+
+  // Unrecoverable data loss or corruption.
+  //
+  // HTTP Mapping: 500 Internal Server Error
+  DATA_LOSS = 15;
+}
diff --git a/build/extracted-include-protos/main/google/rpc/error_details.proto b/build/extracted-include-protos/main/google/rpc/error_details.proto
new file mode 100644
index 0000000000000000000000000000000000000000..f24ae00999b0c9b12c6b0d26bc1a1dfb6fff6cc2
--- /dev/null
+++ b/build/extracted-include-protos/main/google/rpc/error_details.proto
@@ -0,0 +1,200 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.rpc;
+
+import "google/protobuf/duration.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/rpc/errdetails;errdetails";
+option java_multiple_files = true;
+option java_outer_classname = "ErrorDetailsProto";
+option java_package = "com.google.rpc";
+option objc_class_prefix = "RPC";
+
+
+// Describes when the clients can retry a failed request. Clients could ignore
+// the recommendation here or retry when this information is missing from error
+// responses.
+//
+// It's always recommended that clients should use exponential backoff when
+// retrying.
+//
+// Clients should wait until `retry_delay` amount of time has passed since
+// receiving the error response before retrying.  If retrying requests also
+// fail, clients should use an exponential backoff scheme to gradually increase
+// the delay between retries based on `retry_delay`, until either a maximum
+// number of retires have been reached or a maximum retry delay cap has been
+// reached.
+message RetryInfo {
+  // Clients should wait at least this long between retrying the same request.
+  google.protobuf.Duration retry_delay = 1;
+}
+
+// Describes additional debugging info.
+message DebugInfo {
+  // The stack trace entries indicating where the error occurred.
+  repeated string stack_entries = 1;
+
+  // Additional debugging information provided by the server.
+  string detail = 2;
+}
+
+// Describes how a quota check failed.
+//
+// For example if a daily limit was exceeded for the calling project,
+// a service could respond with a QuotaFailure detail containing the project
+// id and the description of the quota limit that was exceeded.  If the
+// calling project hasn't enabled the service in the developer console, then
+// a service could respond with the project id and set `service_disabled`
+// to true.
+//
+// Also see RetryDetail and Help types for other details about handling a
+// quota failure.
+message QuotaFailure {
+  // A message type used to describe a single quota violation.  For example, a
+  // daily quota or a custom quota that was exceeded.
+  message Violation {
+    // The subject on which the quota check failed.
+    // For example, "clientip:<ip address of client>" or "project:<Google
+    // developer project id>".
+    string subject = 1;
+
+    // A description of how the quota check failed. Clients can use this
+    // description to find more about the quota configuration in the service's
+    // public documentation, or find the relevant quota limit to adjust through
+    // developer console.
+    //
+    // For example: "Service disabled" or "Daily Limit for read operations
+    // exceeded".
+    string description = 2;
+  }
+
+  // Describes all quota violations.
+  repeated Violation violations = 1;
+}
+
+// Describes what preconditions have failed.
+//
+// For example, if an RPC failed because it required the Terms of Service to be
+// acknowledged, it could list the terms of service violation in the
+// PreconditionFailure message.
+message PreconditionFailure {
+  // A message type used to describe a single precondition failure.
+  message Violation {
+    // The type of PreconditionFailure. We recommend using a service-specific
+    // enum type to define the supported precondition violation types. For
+    // example, "TOS" for "Terms of Service violation".
+    string type = 1;
+
+    // The subject, relative to the type, that failed.
+    // For example, "google.com/cloud" relative to the "TOS" type would
+    // indicate which terms of service is being referenced.
+    string subject = 2;
+
+    // A description of how the precondition failed. Developers can use this
+    // description to understand how to fix the failure.
+    //
+    // For example: "Terms of service not accepted".
+    string description = 3;
+  }
+
+  // Describes all precondition violations.
+  repeated Violation violations = 1;
+}
+
+// Describes violations in a client request. This error type focuses on the
+// syntactic aspects of the request.
+message BadRequest {
+  // A message type used to describe a single bad request field.
+  message FieldViolation {
+    // A path leading to a field in the request body. The value will be a
+    // sequence of dot-separated identifiers that identify a protocol buffer
+    // field. E.g., "field_violations.field" would identify this field.
+    string field = 1;
+
+    // A description of why the request element is bad.
+    string description = 2;
+  }
+
+  // Describes all violations in a client request.
+  repeated FieldViolation field_violations = 1;
+}
+
+// Contains metadata about the request that clients can attach when filing a bug
+// or providing other forms of feedback.
+message RequestInfo {
+  // An opaque string that should only be interpreted by the service generating
+  // it. For example, it can be used to identify requests in the service's logs.
+  string request_id = 1;
+
+  // Any data that was used to serve this request. For example, an encrypted
+  // stack trace that can be sent back to the service provider for debugging.
+  string serving_data = 2;
+}
+
+// Describes the resource that is being accessed.
+message ResourceInfo {
+  // A name for the type of resource being accessed, e.g. "sql table",
+  // "cloud storage bucket", "file", "Google calendar"; or the type URL
+  // of the resource: e.g. "type.googleapis.com/google.pubsub.v1.Topic".
+  string resource_type = 1;
+
+  // The name of the resource being accessed.  For example, a shared calendar
+  // name: "example.com_4fghdhgsrgh@group.calendar.google.com", if the current
+  // error is [google.rpc.Code.PERMISSION_DENIED][google.rpc.Code.PERMISSION_DENIED].
+  string resource_name = 2;
+
+  // The owner of the resource (optional).
+  // For example, "user:<owner email>" or "project:<Google developer project
+  // id>".
+  string owner = 3;
+
+  // Describes what error is encountered when accessing this resource.
+  // For example, updating a cloud project may require the `writer` permission
+  // on the developer console project.
+  string description = 4;
+}
+
+// Provides links to documentation or for performing an out of band action.
+//
+// For example, if a quota check failed with an error indicating the calling
+// project hasn't enabled the accessed service, this can contain a URL pointing
+// directly to the right place in the developer console to flip the bit.
+message Help {
+  // Describes a URL link.
+  message Link {
+    // Describes what the link offers.
+    string description = 1;
+
+    // The URL of the link.
+    string url = 2;
+  }
+
+  // URL(s) pointing to additional information on handling the current error.
+  repeated Link links = 1;
+}
+
+// Provides a localized error message that is safe to return to the user
+// which can be attached to an RPC error.
+message LocalizedMessage {
+  // The locale used following the specification defined at
+  // http://www.rfc-editor.org/rfc/bcp/bcp47.txt.
+  // Examples are: "en-US", "fr-CH", "es-MX"
+  string locale = 1;
+
+  // The localized error message in the above locale.
+  string message = 2;
+}
diff --git a/build/extracted-include-protos/main/google/rpc/status.proto b/build/extracted-include-protos/main/google/rpc/status.proto
new file mode 100644
index 0000000000000000000000000000000000000000..0839ee9666adb92d6dd3f75f110aef827c2d1da2
--- /dev/null
+++ b/build/extracted-include-protos/main/google/rpc/status.proto
@@ -0,0 +1,92 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.rpc;
+
+import "google/protobuf/any.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/rpc/status;status";
+option java_multiple_files = true;
+option java_outer_classname = "StatusProto";
+option java_package = "com.google.rpc";
+option objc_class_prefix = "RPC";
+
+
+// The `Status` type defines a logical error model that is suitable for different
+// programming environments, including REST APIs and RPC APIs. It is used by
+// [gRPC](https://github.com/grpc). The error model is designed to be:
+//
+// - Simple to use and understand for most users
+// - Flexible enough to meet unexpected needs
+//
+// # Overview
+//
+// The `Status` message contains three pieces of data: error code, error message,
+// and error details. The error code should be an enum value of
+// [google.rpc.Code][google.rpc.Code], but it may accept additional error codes if needed.  The
+// error message should be a developer-facing English message that helps
+// developers *understand* and *resolve* the error. If a localized user-facing
+// error message is needed, put the localized message in the error details or
+// localize it in the client. The optional error details may contain arbitrary
+// information about the error. There is a predefined set of error detail types
+// in the package `google.rpc` that can be used for common error conditions.
+//
+// # Language mapping
+//
+// The `Status` message is the logical representation of the error model, but it
+// is not necessarily the actual wire format. When the `Status` message is
+// exposed in different client libraries and different wire protocols, it can be
+// mapped differently. For example, it will likely be mapped to some exceptions
+// in Java, but more likely mapped to some error codes in C.
+//
+// # Other uses
+//
+// The error model and the `Status` message can be used in a variety of
+// environments, either with or without APIs, to provide a
+// consistent developer experience across different environments.
+//
+// Example uses of this error model include:
+//
+// - Partial errors. If a service needs to return partial errors to the client,
+//     it may embed the `Status` in the normal response to indicate the partial
+//     errors.
+//
+// - Workflow errors. A typical workflow has multiple steps. Each step may
+//     have a `Status` message for error reporting.
+//
+// - Batch operations. If a client uses batch request and batch response, the
+//     `Status` message should be used directly inside batch response, one for
+//     each error sub-response.
+//
+// - Asynchronous operations. If an API call embeds asynchronous operation
+//     results in its response, the status of those operations should be
+//     represented directly using the `Status` message.
+//
+// - Logging. If some API errors are stored in logs, the message `Status` could
+//     be used directly after any stripping needed for security/privacy reasons.
+message Status {
+  // The status code, which should be an enum value of [google.rpc.Code][google.rpc.Code].
+  int32 code = 1;
+
+  // A developer-facing error message, which should be in English. Any
+  // user-facing error message should be localized and sent in the
+  // [google.rpc.Status.details][google.rpc.Status.details] field, or localized by the client.
+  string message = 2;
+
+  // A list of messages that carry the error details.  There is a common set of
+  // message types for APIs to use.
+  repeated google.protobuf.Any details = 3;
+}
diff --git a/build/extracted-include-protos/main/google/type/color.proto b/build/extracted-include-protos/main/google/type/color.proto
new file mode 100644
index 0000000000000000000000000000000000000000..2856ce91ee80cb38d2323226ca61e1d9cf9467d8
--- /dev/null
+++ b/build/extracted-include-protos/main/google/type/color.proto
@@ -0,0 +1,164 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+import "google/protobuf/wrappers.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/type/color;color";
+option java_multiple_files = true;
+option java_outer_classname = "ColorProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents a color in the RGBA color space. This representation is designed
+// for simplicity of conversion to/from color representations in various
+// languages over compactness; for example, the fields of this representation
+// can be trivially provided to the constructor of "java.awt.Color" in Java; it
+// can also be trivially provided to UIColor's "+colorWithRed:green:blue:alpha"
+// method in iOS; and, with just a little work, it can be easily formatted into
+// a CSS "rgba()" string in JavaScript, as well. Here are some examples:
+//
+// Example (Java):
+//
+//      import com.google.type.Color;
+//
+//      // ...
+//      public static java.awt.Color fromProto(Color protocolor) {
+//        float alpha = protocolor.hasAlpha()
+//            ? protocolor.getAlpha().getValue()
+//            : 1.0;
+//
+//        return new java.awt.Color(
+//            protocolor.getRed(),
+//            protocolor.getGreen(),
+//            protocolor.getBlue(),
+//            alpha);
+//      }
+//
+//      public static Color toProto(java.awt.Color color) {
+//        float red = (float) color.getRed();
+//        float green = (float) color.getGreen();
+//        float blue = (float) color.getBlue();
+//        float denominator = 255.0;
+//        Color.Builder resultBuilder =
+//            Color
+//                .newBuilder()
+//                .setRed(red / denominator)
+//                .setGreen(green / denominator)
+//                .setBlue(blue / denominator);
+//        int alpha = color.getAlpha();
+//        if (alpha != 255) {
+//          result.setAlpha(
+//              FloatValue
+//                  .newBuilder()
+//                  .setValue(((float) alpha) / denominator)
+//                  .build());
+//        }
+//        return resultBuilder.build();
+//      }
+//      // ...
+//
+// Example (iOS / Obj-C):
+//
+//      // ...
+//      static UIColor* fromProto(Color* protocolor) {
+//         float red = [protocolor red];
+//         float green = [protocolor green];
+//         float blue = [protocolor blue];
+//         FloatValue* alpha_wrapper = [protocolor alpha];
+//         float alpha = 1.0;
+//         if (alpha_wrapper != nil) {
+//           alpha = [alpha_wrapper value];
+//         }
+//         return [UIColor colorWithRed:red green:green blue:blue alpha:alpha];
+//      }
+//
+//      static Color* toProto(UIColor* color) {
+//          CGFloat red, green, blue, alpha;
+//          if (![color getRed:&red green:&green blue:&blue alpha:&alpha]) {
+//            return nil;
+//          }
+//          Color* result = [Color alloc] init];
+//          [result setRed:red];
+//          [result setGreen:green];
+//          [result setBlue:blue];
+//          if (alpha <= 0.9999) {
+//            [result setAlpha:floatWrapperWithValue(alpha)];
+//          }
+//          [result autorelease];
+//          return result;
+//     }
+//     // ...
+//
+//  Example (JavaScript):
+//
+//     // ...
+//
+//     var protoToCssColor = function(rgb_color) {
+//        var redFrac = rgb_color.red || 0.0;
+//        var greenFrac = rgb_color.green || 0.0;
+//        var blueFrac = rgb_color.blue || 0.0;
+//        var red = Math.floor(redFrac * 255);
+//        var green = Math.floor(greenFrac * 255);
+//        var blue = Math.floor(blueFrac * 255);
+//
+//        if (!('alpha' in rgb_color)) {
+//           return rgbToCssColor_(red, green, blue);
+//        }
+//
+//        var alphaFrac = rgb_color.alpha.value || 0.0;
+//        var rgbParams = [red, green, blue].join(',');
+//        return ['rgba(', rgbParams, ',', alphaFrac, ')'].join('');
+//     };
+//
+//     var rgbToCssColor_ = function(red, green, blue) {
+//       var rgbNumber = new Number((red << 16) | (green << 8) | blue);
+//       var hexString = rgbNumber.toString(16);
+//       var missingZeros = 6 - hexString.length;
+//       var resultBuilder = ['#'];
+//       for (var i = 0; i < missingZeros; i++) {
+//          resultBuilder.push('0');
+//       }
+//       resultBuilder.push(hexString);
+//       return resultBuilder.join('');
+//     };
+//
+//     // ...
+message Color {
+  // The amount of red in the color as a value in the interval [0, 1].
+  float red = 1;
+
+  // The amount of green in the color as a value in the interval [0, 1].
+  float green = 2;
+
+  // The amount of blue in the color as a value in the interval [0, 1].
+  float blue = 3;
+
+  // The fraction of this color that should be applied to the pixel. That is,
+  // the final pixel color is defined by the equation:
+  //
+  //   pixel color = alpha * (this color) + (1.0 - alpha) * (background color)
+  //
+  // This means that a value of 1.0 corresponds to a solid color, whereas
+  // a value of 0.0 corresponds to a completely transparent color. This
+  // uses a wrapper message rather than a simple float scalar so that it is
+  // possible to distinguish between a default value and the value being unset.
+  // If omitted, this color object is to be rendered as a solid color
+  // (as if the alpha value had been explicitly given with a value of 1.0).
+  google.protobuf.FloatValue alpha = 4;
+}
diff --git a/build/extracted-include-protos/main/google/type/date.proto b/build/extracted-include-protos/main/google/type/date.proto
new file mode 100644
index 0000000000000000000000000000000000000000..d873ed462f85431f9b1062b73adb0152a457b796
--- /dev/null
+++ b/build/extracted-include-protos/main/google/type/date.proto
@@ -0,0 +1,45 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+option cc_enable_arenas = true;
+option go_package = "google.golang.org/genproto/googleapis/type/date;date";
+option java_multiple_files = true;
+option java_outer_classname = "DateProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents a whole calendar date, e.g. date of birth. The time of day and
+// time zone are either specified elsewhere or are not significant. The date
+// is relative to the Proleptic Gregorian Calendar. The day may be 0 to
+// represent a year and month where the day is not significant, e.g. credit card
+// expiration date. The year may be 0 to represent a month and day independent
+// of year, e.g. anniversary date. Related types are [google.type.TimeOfDay][google.type.TimeOfDay]
+// and `google.protobuf.Timestamp`.
+message Date {
+  // Year of date. Must be from 1 to 9999, or 0 if specifying a date without
+  // a year.
+  int32 year = 1;
+
+  // Month of year. Must be from 1 to 12.
+  int32 month = 2;
+
+  // Day of month. Must be from 1 to 31 and valid for the year and month, or 0
+  // if specifying a year/month where the day is not significant.
+  int32 day = 3;
+}
diff --git a/build/extracted-include-protos/main/google/type/dayofweek.proto b/build/extracted-include-protos/main/google/type/dayofweek.proto
new file mode 100644
index 0000000000000000000000000000000000000000..4eaa9e729f741ac6fe22d52d40a3654299cc9e96
--- /dev/null
+++ b/build/extracted-include-protos/main/google/type/dayofweek.proto
@@ -0,0 +1,51 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+option go_package = "google.golang.org/genproto/googleapis/type/dayofweek;dayofweek";
+option java_multiple_files = true;
+option java_outer_classname = "DayOfWeekProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents a day of week.
+enum DayOfWeek {
+  // The unspecified day-of-week.
+  DAY_OF_WEEK_UNSPECIFIED = 0;
+
+  // The day-of-week of Monday.
+  MONDAY = 1;
+
+  // The day-of-week of Tuesday.
+  TUESDAY = 2;
+
+  // The day-of-week of Wednesday.
+  WEDNESDAY = 3;
+
+  // The day-of-week of Thursday.
+  THURSDAY = 4;
+
+  // The day-of-week of Friday.
+  FRIDAY = 5;
+
+  // The day-of-week of Saturday.
+  SATURDAY = 6;
+
+  // The day-of-week of Sunday.
+  SUNDAY = 7;
+}
diff --git a/build/extracted-include-protos/main/google/type/latlng.proto b/build/extracted-include-protos/main/google/type/latlng.proto
new file mode 100644
index 0000000000000000000000000000000000000000..4e8c65d227af0e04bc369aeb8ee215d921c7dab4
--- /dev/null
+++ b/build/extracted-include-protos/main/google/type/latlng.proto
@@ -0,0 +1,71 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+option go_package = "google.golang.org/genproto/googleapis/type/latlng;latlng";
+option java_multiple_files = true;
+option java_outer_classname = "LatLngProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// An object representing a latitude/longitude pair. This is expressed as a pair
+// of doubles representing degrees latitude and degrees longitude. Unless
+// specified otherwise, this must conform to the
+// <a href="http://www.unoosa.org/pdf/icg/2012/template/WGS_84.pdf">WGS84
+// standard</a>. Values must be within normalized ranges.
+//
+// Example of normalization code in Python:
+//
+//     def NormalizeLongitude(longitude):
+//       """Wraps decimal degrees longitude to [-180.0, 180.0]."""
+//       q, r = divmod(longitude, 360.0)
+//       if r > 180.0 or (r == 180.0 and q <= -1.0):
+//         return r - 360.0
+//       return r
+//
+//     def NormalizeLatLng(latitude, longitude):
+//       """Wraps decimal degrees latitude and longitude to
+//       [-90.0, 90.0] and [-180.0, 180.0], respectively."""
+//       r = latitude % 360.0
+//       if r <= 90.0:
+//         return r, NormalizeLongitude(longitude)
+//       elif r >= 270.0:
+//         return r - 360, NormalizeLongitude(longitude)
+//       else:
+//         return 180 - r, NormalizeLongitude(longitude + 180.0)
+//
+//     assert 180.0 == NormalizeLongitude(180.0)
+//     assert -180.0 == NormalizeLongitude(-180.0)
+//     assert -179.0 == NormalizeLongitude(181.0)
+//     assert (0.0, 0.0) == NormalizeLatLng(360.0, 0.0)
+//     assert (0.0, 0.0) == NormalizeLatLng(-360.0, 0.0)
+//     assert (85.0, 180.0) == NormalizeLatLng(95.0, 0.0)
+//     assert (-85.0, -170.0) == NormalizeLatLng(-95.0, 10.0)
+//     assert (90.0, 10.0) == NormalizeLatLng(90.0, 10.0)
+//     assert (-90.0, -10.0) == NormalizeLatLng(-90.0, -10.0)
+//     assert (0.0, -170.0) == NormalizeLatLng(-180.0, 10.0)
+//     assert (0.0, -170.0) == NormalizeLatLng(180.0, 10.0)
+//     assert (-90.0, 10.0) == NormalizeLatLng(270.0, 10.0)
+//     assert (90.0, 10.0) == NormalizeLatLng(-270.0, 10.0)
+message LatLng {
+  // The latitude in degrees. It must be in the range [-90.0, +90.0].
+  double latitude = 1;
+
+  // The longitude in degrees. It must be in the range [-180.0, +180.0].
+  double longitude = 2;
+}
diff --git a/build/extracted-include-protos/main/google/type/money.proto b/build/extracted-include-protos/main/google/type/money.proto
new file mode 100644
index 0000000000000000000000000000000000000000..154acc9f295fc29a3c9aff6c90e8aff95adc34a6
--- /dev/null
+++ b/build/extracted-include-protos/main/google/type/money.proto
@@ -0,0 +1,42 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+option go_package = "google.golang.org/genproto/googleapis/type/money;money";
+option java_multiple_files = true;
+option java_outer_classname = "MoneyProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents an amount of money with its currency type.
+message Money {
+  // The 3-letter currency code defined in ISO 4217.
+  string currency_code = 1;
+
+  // The whole units of the amount.
+  // For example if `currencyCode` is `"USD"`, then 1 unit is one US dollar.
+  int64 units = 2;
+
+  // Number of nano (10^-9) units of the amount.
+  // The value must be between -999,999,999 and +999,999,999 inclusive.
+  // If `units` is positive, `nanos` must be positive or zero.
+  // If `units` is zero, `nanos` can be positive, zero, or negative.
+  // If `units` is negative, `nanos` must be negative or zero.
+  // For example $-1.75 is represented as `units`=-1 and `nanos`=-750,000,000.
+  int32 nanos = 3;
+}
diff --git a/build/extracted-include-protos/main/google/type/postal_address.proto b/build/extracted-include-protos/main/google/type/postal_address.proto
new file mode 100644
index 0000000000000000000000000000000000000000..b08b61726acc522b0eaa51658d96a67a2c0716b6
--- /dev/null
+++ b/build/extracted-include-protos/main/google/type/postal_address.proto
@@ -0,0 +1,132 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+option go_package = "google.golang.org/genproto/googleapis/type/postaladdress;postaladdress";
+option java_multiple_files = true;
+option java_outer_classname = "PostalAddressProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents a postal address, e.g. for postal delivery or payments addresses.
+// Given a postal address, a postal service can deliver items to a premise, P.O.
+// Box or similar.
+// It is not intended to model geographical locations (roads, towns,
+// mountains).
+//
+// In typical usage an address would be created via user input or from importing
+// existing data, depending on the type of process.
+//
+// Advice on address input / editing:
+//  - Use an i18n-ready address widget such as
+//    https://github.com/googlei18n/libaddressinput)
+// - Users should not be presented with UI elements for input or editing of
+//   fields outside countries where that field is used.
+//
+// For more guidance on how to use this schema, please see:
+// https://support.google.com/business/answer/6397478
+message PostalAddress {
+  // The schema revision of the `PostalAddress`.
+  // All new revisions **must** be backward compatible with old revisions.
+  int32 revision = 1;
+
+  // Required. CLDR region code of the country/region of the address. This
+  // is never inferred and it is up to the user to ensure the value is
+  // correct. See http://cldr.unicode.org/ and
+  // http://www.unicode.org/cldr/charts/30/supplemental/territory_information.html
+  // for details. Example: "CH" for Switzerland.
+  string region_code = 2;
+
+  // Optional. BCP-47 language code of the contents of this address (if
+  // known). This is often the UI language of the input form or is expected
+  // to match one of the languages used in the address' country/region, or their
+  // transliterated equivalents.
+  // This can affect formatting in certain countries, but is not critical
+  // to the correctness of the data and will never affect any validation or
+  // other non-formatting related operations.
+  //
+  // If this value is not known, it should be omitted (rather than specifying a
+  // possibly incorrect default).
+  //
+  // Examples: "zh-Hant", "ja", "ja-Latn", "en".
+  string language_code = 3;
+
+  // Optional. Postal code of the address. Not all countries use or require
+  // postal codes to be present, but where they are used, they may trigger
+  // additional validation with other parts of the address (e.g. state/zip
+  // validation in the U.S.A.).
+  string postal_code = 4;
+
+  // Optional. Additional, country-specific, sorting code. This is not used
+  // in most regions. Where it is used, the value is either a string like
+  // "CEDEX", optionally followed by a number (e.g. "CEDEX 7"), or just a number
+  // alone, representing the "sector code" (Jamaica), "delivery area indicator"
+  // (Malawi) or "post office indicator" (e.g. Côte d'Ivoire).
+  string sorting_code = 5;
+
+  // Optional. Highest administrative subdivision which is used for postal
+  // addresses of a country or region.
+  // For example, this can be a state, a province, an oblast, or a prefecture.
+  // Specifically, for Spain this is the province and not the autonomous
+  // community (e.g. "Barcelona" and not "Catalonia").
+  // Many countries don't use an administrative area in postal addresses. E.g.
+  // in Switzerland this should be left unpopulated.
+  string administrative_area = 6;
+
+  // Optional. Generally refers to the city/town portion of the address.
+  // Examples: US city, IT comune, UK post town.
+  // In regions of the world where localities are not well defined or do not fit
+  // into this structure well, leave locality empty and use address_lines.
+  string locality = 7;
+
+  // Optional. Sublocality of the address.
+  // For example, this can be neighborhoods, boroughs, districts.
+  string sublocality = 8;
+
+  // Unstructured address lines describing the lower levels of an address.
+  //
+  // Because values in address_lines do not have type information and may
+  // sometimes contain multiple values in a single field (e.g.
+  // "Austin, TX"), it is important that the line order is clear. The order of
+  // address lines should be "envelope order" for the country/region of the
+  // address. In places where this can vary (e.g. Japan), address_language is
+  // used to make it explicit (e.g. "ja" for large-to-small ordering and
+  // "ja-Latn" or "en" for small-to-large). This way, the most specific line of
+  // an address can be selected based on the language.
+  //
+  // The minimum permitted structural representation of an address consists
+  // of a region_code with all remaining information placed in the
+  // address_lines. It would be possible to format such an address very
+  // approximately without geocoding, but no semantic reasoning could be
+  // made about any of the address components until it was at least
+  // partially resolved.
+  //
+  // Creating an address only containing a region_code and address_lines, and
+  // then geocoding is the recommended way to handle completely unstructured
+  // addresses (as opposed to guessing which parts of the address should be
+  // localities or administrative areas).
+  repeated string address_lines = 9;
+
+  // Optional. The recipient at the address.
+  // This field may, under certain circumstances, contain multiline information.
+  // For example, it might contain "care of" information.
+  repeated string recipients = 10;
+
+  // Optional. The name of the organization at the address.
+  string organization = 11;
+}
diff --git a/build/extracted-include-protos/main/google/type/timeofday.proto b/build/extracted-include-protos/main/google/type/timeofday.proto
new file mode 100644
index 0000000000000000000000000000000000000000..b130256e2239166d2a0f39b659d6972659ed50de
--- /dev/null
+++ b/build/extracted-include-protos/main/google/type/timeofday.proto
@@ -0,0 +1,43 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+option go_package = "google.golang.org/genproto/googleapis/type/timeofday;timeofday";
+option java_multiple_files = true;
+option java_outer_classname = "TimeOfDayProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents a time of day. The date and time zone are either not significant
+// or are specified elsewhere. An API may chose to allow leap seconds. Related
+// types are [google.type.Date][google.type.Date] and `google.protobuf.Timestamp`.
+message TimeOfDay {
+  // Hours of day in 24 hour format. Should be from 0 to 23. An API may choose
+  // to allow the value "24:00:00" for scenarios like business closing time.
+  int32 hours = 1;
+
+  // Minutes of hour of day. Must be from 0 to 59.
+  int32 minutes = 2;
+
+  // Seconds of minutes of the time. Must normally be from 0 to 59. An API may
+  // allow the value 60 if it allows leap-seconds.
+  int32 seconds = 3;
+
+  // Fractions of seconds in nanoseconds. Must be from 0 to 999,999,999.
+  int32 nanos = 4;
+}
diff --git a/build/extracted-include-protos/test/Actor.proto b/build/extracted-include-protos/test/Actor.proto
new file mode 100644
index 0000000000000000000000000000000000000000..8ad4d2d8421e852e77b838650e019e83230fa3e4
--- /dev/null
+++ b/build/extracted-include-protos/test/Actor.proto
@@ -0,0 +1,19 @@
+package it.ewlab.actor;
+
+message Actor {
+	required string name = 1;
+	required string surname = 2;
+
+	enum Sex {
+		MALE = 0;
+		FEMALE = 1;
+	}
+
+	message Movie {
+		required string title = 1;
+		required int32 year = 2;
+	}
+
+	repeated Movie movie = 3;
+	optional Sex sex = 4;
+}
\ No newline at end of file
diff --git a/build/extracted-include-protos/test/ChatService.proto b/build/extracted-include-protos/test/ChatService.proto
new file mode 100644
index 0000000000000000000000000000000000000000..522e138c935ceb5daf9fc804fd538be873713b6c
--- /dev/null
+++ b/build/extracted-include-protos/test/ChatService.proto
@@ -0,0 +1,14 @@
+syntax = "proto3";
+package com.example.chat;
+
+message ChatMessage {
+
+    string from = 1;
+    string message = 2;
+
+}
+
+service ChatService {
+
+    rpc chat(stream ChatMessage) returns (stream ChatMessage);
+}
diff --git a/build/extracted-include-protos/test/GreetingService.proto b/build/extracted-include-protos/test/GreetingService.proto
new file mode 100644
index 0000000000000000000000000000000000000000..90a39b1a624c5f2dceafb13af0406c3938ed1454
--- /dev/null
+++ b/build/extracted-include-protos/test/GreetingService.proto
@@ -0,0 +1,29 @@
+syntax = "proto3";
+package com.example.grpc;
+
+// Request payload
+message HelloRequest {
+    // Each message attribute is strongly typed.
+    // You also must assign a "tag" number.
+    // Each tag number is unique within the message.
+    string name = 1;
+
+    // This defines a strongly typed list of String
+    repeated string hobbies = 2;
+
+    // There are many more basics types, like Enum, Map
+    // See https://developers.google.com/protocol-buffers/docs/proto3
+    // for more information.
+}
+
+message HelloResponse {
+    string greeting = 1;
+}
+
+// Defining a Service, a Service can have multiple RPC operations
+service GreetingService {
+
+    rpc greeting(HelloRequest) returns (HelloResponse);
+
+    rpc streamGreeting(HelloRequest) returns (stream HelloResponse);
+}
diff --git a/build/extracted-include-protos/test/google/api/annotations.proto b/build/extracted-include-protos/test/google/api/annotations.proto
new file mode 100644
index 0000000000000000000000000000000000000000..85c361b47fed2db6cc590e6db22358d80d030f4c
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/annotations.proto
@@ -0,0 +1,31 @@
+// Copyright (c) 2015, Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/http.proto";
+import "google/protobuf/descriptor.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations";
+option java_multiple_files = true;
+option java_outer_classname = "AnnotationsProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+extend google.protobuf.MethodOptions {
+  // See `HttpRule`.
+  HttpRule http = 72295728;
+}
diff --git a/build/extracted-include-protos/test/google/api/auth.proto b/build/extracted-include-protos/test/google/api/auth.proto
new file mode 100644
index 0000000000000000000000000000000000000000..cdbc1efe90ed2df16db91461ffb30ab97aa07ac8
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/auth.proto
@@ -0,0 +1,181 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "AuthProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// `Authentication` defines the authentication configuration for an API.
+//
+// Example for an API targeted for external use:
+//
+//     name: calendar.googleapis.com
+//     authentication:
+//       providers:
+//       - id: google_calendar_auth
+//         jwks_uri: https://www.googleapis.com/oauth2/v1/certs
+//         issuer: https://securetoken.google.com
+//       rules:
+//       - selector: "*"
+//         requirements:
+//           provider_id: google_calendar_auth
+message Authentication {
+  // A list of authentication rules that apply to individual API methods.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated AuthenticationRule rules = 3;
+
+  // Defines a set of authentication providers that a service supports.
+  repeated AuthProvider providers = 4;
+}
+
+// Authentication rules for the service.
+//
+// By default, if a method has any authentication requirements, every request
+// must include a valid credential matching one of the requirements.
+// It's an error to include more than one kind of credential in a single
+// request.
+//
+// If a method doesn't have any auth requirements, request credentials will be
+// ignored.
+message AuthenticationRule {
+  // Selects the methods to which this rule applies.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // The requirements for OAuth credentials.
+  OAuthRequirements oauth = 2;
+
+  // If true, the service accepts API keys without any other credential.
+  bool allow_without_credential = 5;
+
+  // Requirements for additional authentication providers.
+  repeated AuthRequirement requirements = 7;
+}
+
+// Configuration for an anthentication provider, including support for
+// [JSON Web Token (JWT)](https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32).
+message AuthProvider {
+  // The unique identifier of the auth provider. It will be referred to by
+  // `AuthRequirement.provider_id`.
+  //
+  // Example: "bookstore_auth".
+  string id = 1;
+
+  // Identifies the principal that issued the JWT. See
+  // https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32#section-4.1.1
+  // Usually a URL or an email address.
+  //
+  // Example: https://securetoken.google.com
+  // Example: 1234567-compute@developer.gserviceaccount.com
+  string issuer = 2;
+
+  // URL of the provider's public key set to validate signature of the JWT. See
+  // [OpenID Discovery](https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata).
+  // Optional if the key set document:
+  //  - can be retrieved from
+  //    [OpenID Discovery](https://openid.net/specs/openid-connect-discovery-1_0.html
+  //    of the issuer.
+  //  - can be inferred from the email domain of the issuer (e.g. a Google service account).
+  //
+  // Example: https://www.googleapis.com/oauth2/v1/certs
+  string jwks_uri = 3;
+
+  // The list of JWT
+  // [audiences](https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32#section-4.1.3).
+  // that are allowed to access. A JWT containing any of these audiences will
+  // be accepted. When this setting is absent, only JWTs with audience
+  // "https://[Service_name][google.api.Service.name]/[API_name][google.protobuf.Api.name]"
+  // will be accepted. For example, if no audiences are in the setting,
+  // LibraryService API will only accept JWTs with the following audience
+  // "https://library-example.googleapis.com/google.example.library.v1.LibraryService".
+  //
+  // Example:
+  //
+  //     audiences: bookstore_android.apps.googleusercontent.com,
+  //                bookstore_web.apps.googleusercontent.com
+  string audiences = 4;
+
+  // Redirect URL if JWT token is required but no present or is expired.
+  // Implement authorizationUrl of securityDefinitions in OpenAPI spec.
+  string authorization_url = 5;
+}
+
+// OAuth scopes are a way to define data and permissions on data. For example,
+// there are scopes defined for "Read-only access to Google Calendar" and
+// "Access to Cloud Platform". Users can consent to a scope for an application,
+// giving it permission to access that data on their behalf.
+//
+// OAuth scope specifications should be fairly coarse grained; a user will need
+// to see and understand the text description of what your scope means.
+//
+// In most cases: use one or at most two OAuth scopes for an entire family of
+// products. If your product has multiple APIs, you should probably be sharing
+// the OAuth scope across all of those APIs.
+//
+// When you need finer grained OAuth consent screens: talk with your product
+// management about how developers will use them in practice.
+//
+// Please note that even though each of the canonical scopes is enough for a
+// request to be accepted and passed to the backend, a request can still fail
+// due to the backend requiring additional scopes or permissions.
+message OAuthRequirements {
+  // The list of publicly documented OAuth scopes that are allowed access. An
+  // OAuth token containing any of these scopes will be accepted.
+  //
+  // Example:
+  //
+  //      canonical_scopes: https://www.googleapis.com/auth/calendar,
+  //                        https://www.googleapis.com/auth/calendar.read
+  string canonical_scopes = 1;
+}
+
+// User-defined authentication requirements, including support for
+// [JSON Web Token (JWT)](https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32).
+message AuthRequirement {
+  // [id][google.api.AuthProvider.id] from authentication provider.
+  //
+  // Example:
+  //
+  //     provider_id: bookstore_auth
+  string provider_id = 1;
+
+  // NOTE: This will be deprecated soon, once AuthProvider.audiences is
+  // implemented and accepted in all the runtime components.
+  //
+  // The list of JWT
+  // [audiences](https://tools.ietf.org/html/draft-ietf-oauth-json-web-token-32#section-4.1.3).
+  // that are allowed to access. A JWT containing any of these audiences will
+  // be accepted. When this setting is absent, only JWTs with audience
+  // "https://[Service_name][google.api.Service.name]/[API_name][google.protobuf.Api.name]"
+  // will be accepted. For example, if no audiences are in the setting,
+  // LibraryService API will only accept JWTs with the following audience
+  // "https://library-example.googleapis.com/google.example.library.v1.LibraryService".
+  //
+  // Example:
+  //
+  //     audiences: bookstore_android.apps.googleusercontent.com,
+  //                bookstore_web.apps.googleusercontent.com
+  string audiences = 2;
+}
diff --git a/build/extracted-include-protos/test/google/api/backend.proto b/build/extracted-include-protos/test/google/api/backend.proto
new file mode 100644
index 0000000000000000000000000000000000000000..dd22919d07d742ce5c40e8008c2ed992e0f15914
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/backend.proto
@@ -0,0 +1,51 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "BackendProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// `Backend` defines the backend configuration for a service.
+message Backend {
+  // A list of API backend rules that apply to individual API methods.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated BackendRule rules = 1;
+}
+
+// A backend rule provides configuration for an individual API element.
+message BackendRule {
+  // Selects the methods to which this rule applies.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // The address of the API backend.
+  string address = 2;
+
+  // The number of seconds to wait for a response from a request.  The default
+  // deadline for gRPC is infinite (no deadline) and HTTP requests is 5 seconds.
+  double deadline = 3;
+
+  // Minimum deadline in seconds needed for this method. Calls having deadline
+  // value lower than this will be rejected.
+  double min_deadline = 4;
+}
diff --git a/build/extracted-include-protos/test/google/api/billing.proto b/build/extracted-include-protos/test/google/api/billing.proto
new file mode 100644
index 0000000000000000000000000000000000000000..a20bd58f76e796b99b7673af317123d11a35add1
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/billing.proto
@@ -0,0 +1,68 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+import "google/api/metric.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "BillingProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Billing related configuration of the service.
+//
+// The following example shows how to configure monitored resources and metrics
+// for billing:
+//
+//     monitored_resources:
+//     - type: library.googleapis.com/branch
+//       labels:
+//       - key: /city
+//         description: The city where the library branch is located in.
+//       - key: /name
+//         description: The name of the branch.
+//     metrics:
+//     - name: library.googleapis.com/book/borrowed_count
+//       metric_kind: DELTA
+//       value_type: INT64
+//     billing:
+//       consumer_destinations:
+//       - monitored_resource: library.googleapis.com/branch
+//         metrics:
+//         - library.googleapis.com/book/borrowed_count
+message Billing {
+  // Configuration of a specific billing destination (Currently only support
+  // bill against consumer project).
+  message BillingDestination {
+    // The monitored resource type. The type must be defined in
+    // [Service.monitored_resources][google.api.Service.monitored_resources] section.
+    string monitored_resource = 1;
+
+    // Names of the metrics to report to this billing destination.
+    // Each name must be defined in [Service.metrics][google.api.Service.metrics] section.
+    repeated string metrics = 2;
+  }
+
+  // Billing configurations for sending metrics to the consumer project.
+  // There can be multiple consumer destinations per service, each one must have
+  // a different monitored resource type. A metric can be used in at most
+  // one consumer destination.
+  repeated BillingDestination consumer_destinations = 8;
+}
diff --git a/build/extracted-include-protos/test/google/api/config_change.proto b/build/extracted-include-protos/test/google/api/config_change.proto
new file mode 100644
index 0000000000000000000000000000000000000000..1e787931c16d436473a3d29f650a8874bcd8c005
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/config_change.proto
@@ -0,0 +1,85 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/configchange;configchange";
+option java_multiple_files = true;
+option java_outer_classname = "ConfigChangeProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Output generated from semantically comparing two versions of a service
+// configuration.
+//
+// Includes detailed information about a field that have changed with
+// applicable advice about potential consequences for the change, such as
+// backwards-incompatibility.
+message ConfigChange {
+  // Object hierarchy path to the change, with levels separated by a '.'
+  // character. For repeated fields, an applicable unique identifier field is
+  // used for the index (usually selector, name, or id). For maps, the term
+  // 'key' is used. If the field has no unique identifier, the numeric index
+  // is used.
+  // Examples:
+  // - visibility.rules[selector=="google.LibraryService.CreateBook"].restriction
+  // - quota.metric_rules[selector=="google"].metric_costs[key=="reads"].value
+  // - logging.producer_destinations[0]
+  string element = 1;
+
+  // Value of the changed object in the old Service configuration,
+  // in JSON format. This field will not be populated if ChangeType == ADDED.
+  string old_value = 2;
+
+  // Value of the changed object in the new Service configuration,
+  // in JSON format. This field will not be populated if ChangeType == REMOVED.
+  string new_value = 3;
+
+  // The type for this change, either ADDED, REMOVED, or MODIFIED.
+  ChangeType change_type = 4;
+
+  // Collection of advice provided for this change, useful for determining the
+  // possible impact of this change.
+  repeated Advice advices = 5;
+}
+
+// Generated advice about this change, used for providing more
+// information about how a change will affect the existing service.
+message Advice {
+  // Useful description for why this advice was applied and what actions should
+  // be taken to mitigate any implied risks.
+  string description = 2;
+}
+
+// Classifies set of possible modifications to an object in the service
+// configuration.
+enum ChangeType {
+  // No value was provided.
+  CHANGE_TYPE_UNSPECIFIED = 0;
+
+  // The changed object exists in the 'new' service configuration, but not
+  // in the 'old' service configuration.
+  ADDED = 1;
+
+  // The changed object exists in the 'old' service configuration, but not
+  // in the 'new' service configuration.
+  REMOVED = 2;
+
+  // The changed object exists in both service configurations, but its value
+  // is different.
+  MODIFIED = 3;
+}
diff --git a/build/extracted-include-protos/test/google/api/consumer.proto b/build/extracted-include-protos/test/google/api/consumer.proto
new file mode 100644
index 0000000000000000000000000000000000000000..4e963168efc985e338efb9da18b78df9e1ac9f87
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/consumer.proto
@@ -0,0 +1,83 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "ConsumerProto";
+option java_package = "com.google.api";
+
+
+// A descriptor for defining project properties for a service. One service may
+// have many consumer projects, and the service may want to behave differently
+// depending on some properties on the project. For example, a project may be
+// associated with a school, or a business, or a government agency, a business
+// type property on the project may affect how a service responds to the client.
+// This descriptor defines which properties are allowed to be set on a project.
+//
+// Example:
+//
+//    project_properties:
+//      properties:
+//      - name: NO_WATERMARK
+//        type: BOOL
+//        description: Allows usage of the API without watermarks.
+//      - name: EXTENDED_TILE_CACHE_PERIOD
+//        type: INT64
+message ProjectProperties {
+  // List of per consumer project-specific properties.
+  repeated Property properties = 1;
+}
+
+// Defines project properties.
+//
+// API services can define properties that can be assigned to consumer projects
+// so that backends can perform response customization without having to make
+// additional calls or maintain additional storage. For example, Maps API
+// defines properties that controls map tile cache period, or whether to embed a
+// watermark in a result.
+//
+// These values can be set via API producer console. Only API providers can
+// define and set these properties.
+message Property {
+  // Supported data type of the property values
+  enum PropertyType {
+    // The type is unspecified, and will result in an error.
+    UNSPECIFIED = 0;
+
+    // The type is `int64`.
+    INT64 = 1;
+
+    // The type is `bool`.
+    BOOL = 2;
+
+    // The type is `string`.
+    STRING = 3;
+
+    // The type is 'double'.
+    DOUBLE = 4;
+  }
+
+  // The name of the property (a.k.a key).
+  string name = 1;
+
+  // The type of this property.
+  PropertyType type = 2;
+
+  // The description of the property
+  string description = 3;
+}
diff --git a/build/extracted-include-protos/test/google/api/context.proto b/build/extracted-include-protos/test/google/api/context.proto
new file mode 100644
index 0000000000000000000000000000000000000000..fd03fcae916b5bb7edd4a0990b643400e623b8ad
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/context.proto
@@ -0,0 +1,63 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "ContextProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// `Context` defines which contexts an API requests.
+//
+// Example:
+//
+//     context:
+//       rules:
+//       - selector: "*"
+//         requested:
+//         - google.rpc.context.ProjectContext
+//         - google.rpc.context.OriginContext
+//
+// The above specifies that all methods in the API request
+// `google.rpc.context.ProjectContext` and
+// `google.rpc.context.OriginContext`.
+//
+// Available context types are defined in package
+// `google.rpc.context`.
+message Context {
+  // A list of RPC context rules that apply to individual API methods.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated ContextRule rules = 1;
+}
+
+// A context rule provides information about the context for an individual API
+// element.
+message ContextRule {
+  // Selects the methods to which this rule applies.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // A list of full type names of requested contexts.
+  repeated string requested = 2;
+
+  // A list of full type names of provided contexts.
+  repeated string provided = 3;
+}
diff --git a/build/extracted-include-protos/test/google/api/control.proto b/build/extracted-include-protos/test/google/api/control.proto
new file mode 100644
index 0000000000000000000000000000000000000000..772d61175f9562e00c95cd697d01fd54465a0108
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/control.proto
@@ -0,0 +1,33 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "ControlProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Selects and configures the service controller used by the service.  The
+// service controller handles features like abuse, quota, billing, logging,
+// monitoring, etc.
+message Control {
+  // The service control environment to use. If empty, no control plane
+  // feature (like quota and billing) will be enabled.
+  string environment = 1;
+}
diff --git a/build/extracted-include-protos/test/google/api/distribution.proto b/build/extracted-include-protos/test/google/api/distribution.proto
new file mode 100644
index 0000000000000000000000000000000000000000..2861e9b6f3af91e4fa806143f5938aafd10fcde2
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/distribution.proto
@@ -0,0 +1,185 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/distribution;distribution";
+option java_multiple_files = true;
+option java_outer_classname = "DistributionProto";
+option java_package = "com.google.api";
+
+
+// Distribution contains summary statistics for a population of values and,
+// optionally, a histogram representing the distribution of those values across
+// a specified set of histogram buckets.
+//
+// The summary statistics are the count, mean, sum of the squared deviation from
+// the mean, the minimum, and the maximum of the set of population of values.
+//
+// The histogram is based on a sequence of buckets and gives a count of values
+// that fall into each bucket.  The boundaries of the buckets are given either
+// explicitly or by specifying parameters for a method of computing them
+// (buckets of fixed width or buckets of exponentially increasing width).
+//
+// Although it is not forbidden, it is generally a bad idea to include
+// non-finite values (infinities or NaNs) in the population of values, as this
+// will render the `mean` and `sum_of_squared_deviation` fields meaningless.
+message Distribution {
+  // The range of the population values.
+  message Range {
+    // The minimum of the population values.
+    double min = 1;
+
+    // The maximum of the population values.
+    double max = 2;
+  }
+
+  // A Distribution may optionally contain a histogram of the values in the
+  // population.  The histogram is given in `bucket_counts` as counts of values
+  // that fall into one of a sequence of non-overlapping buckets.  The sequence
+  // of buckets is described by `bucket_options`.
+  //
+  // A bucket specifies an inclusive lower bound and exclusive upper bound for
+  // the values that are counted for that bucket.  The upper bound of a bucket
+  // is strictly greater than the lower bound.
+  //
+  // The sequence of N buckets for a Distribution consists of an underflow
+  // bucket (number 0), zero or more finite buckets (number 1 through N - 2) and
+  // an overflow bucket (number N - 1).  The buckets are contiguous:  the lower
+  // bound of bucket i (i > 0) is the same as the upper bound of bucket i - 1.
+  // The buckets span the whole range of finite values: lower bound of the
+  // underflow bucket is -infinity and the upper bound of the overflow bucket is
+  // +infinity.  The finite buckets are so-called because both bounds are
+  // finite.
+  //
+  // `BucketOptions` describes bucket boundaries in one of three ways.  Two
+  // describe the boundaries by giving parameters for a formula to generate
+  // boundaries and one gives the bucket boundaries explicitly.
+  //
+  // If `bucket_boundaries` is not given, then no `bucket_counts` may be given.
+  message BucketOptions {
+    // Specify a sequence of buckets that all have the same width (except
+    // overflow and underflow).  Each bucket represents a constant absolute
+    // uncertainty on the specific value in the bucket.
+    //
+    // Defines `num_finite_buckets + 2` (= N) buckets with these boundaries for
+    // bucket `i`:
+    //
+    //    Upper bound (0 <= i < N-1):     offset + (width * i).
+    //    Lower bound (1 <= i < N):       offset + (width * (i - 1)).
+    message Linear {
+      // Must be greater than 0.
+      int32 num_finite_buckets = 1;
+
+      // Must be greater than 0.
+      double width = 2;
+
+      // Lower bound of the first bucket.
+      double offset = 3;
+    }
+
+    // Specify a sequence of buckets that have a width that is proportional to
+    // the value of the lower bound.  Each bucket represents a constant relative
+    // uncertainty on a specific value in the bucket.
+    //
+    // Defines `num_finite_buckets + 2` (= N) buckets with these boundaries for
+    // bucket i:
+    //
+    //    Upper bound (0 <= i < N-1):     scale * (growth_factor ^ i).
+    //    Lower bound (1 <= i < N):       scale * (growth_factor ^ (i - 1)).
+    message Exponential {
+      // Must be greater than 0.
+      int32 num_finite_buckets = 1;
+
+      // Must be greater than 1.
+      double growth_factor = 2;
+
+      // Must be greater than 0.
+      double scale = 3;
+    }
+
+    // A set of buckets with arbitrary widths.
+    //
+    // Defines `size(bounds) + 1` (= N) buckets with these boundaries for
+    // bucket i:
+    //
+    //    Upper bound (0 <= i < N-1):     bounds[i]
+    //    Lower bound (1 <= i < N);       bounds[i - 1]
+    //
+    // There must be at least one element in `bounds`.  If `bounds` has only one
+    // element, there are no finite buckets, and that single element is the
+    // common boundary of the overflow and underflow buckets.
+    message Explicit {
+      // The values must be monotonically increasing.
+      repeated double bounds = 1;
+    }
+
+    // Exactly one of these three fields must be set.
+    oneof options {
+      // The linear bucket.
+      Linear linear_buckets = 1;
+
+      // The exponential buckets.
+      Exponential exponential_buckets = 2;
+
+      // The explicit buckets.
+      Explicit explicit_buckets = 3;
+    }
+  }
+
+  // The number of values in the population. Must be non-negative.
+  int64 count = 1;
+
+  // The arithmetic mean of the values in the population. If `count` is zero
+  // then this field must be zero.
+  double mean = 2;
+
+  // The sum of squared deviations from the mean of the values in the
+  // population.  For values x_i this is:
+  //
+  //     Sum[i=1..n]((x_i - mean)^2)
+  //
+  // Knuth, "The Art of Computer Programming", Vol. 2, page 323, 3rd edition
+  // describes Welford's method for accumulating this sum in one pass.
+  //
+  // If `count` is zero then this field must be zero.
+  double sum_of_squared_deviation = 3;
+
+  // If specified, contains the range of the population values. The field
+  // must not be present if the `count` is zero.
+  Range range = 4;
+
+  // Defines the histogram bucket boundaries.
+  BucketOptions bucket_options = 6;
+
+  // If `bucket_options` is given, then the sum of the values in `bucket_counts`
+  // must equal the value in `count`.  If `bucket_options` is not given, no
+  // `bucket_counts` fields may be given.
+  //
+  // Bucket counts are given in order under the numbering scheme described
+  // above (the underflow bucket has number 0; the finite buckets, if any,
+  // have numbers 1 through N-2; the overflow bucket has number N-1).
+  //
+  // The size of `bucket_counts` must be no greater than N as defined in
+  // `bucket_options`.
+  //
+  // Any suffix of trailing zero bucket_count fields may be omitted.
+  repeated int64 bucket_counts = 7;
+}
diff --git a/build/extracted-include-protos/test/google/api/documentation.proto b/build/extracted-include-protos/test/google/api/documentation.proto
new file mode 100644
index 0000000000000000000000000000000000000000..03cd73109a31aefbba8aa9624750977237ecd867
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/documentation.proto
@@ -0,0 +1,157 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "DocumentationProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// `Documentation` provides the information for describing a service.
+//
+// Example:
+// <pre><code>documentation:
+//   summary: >
+//     The Google Calendar API gives access
+//     to most calendar features.
+//   pages:
+//   - name: Overview
+//     content: &#40;== include google/foo/overview.md ==&#41;
+//   - name: Tutorial
+//     content: &#40;== include google/foo/tutorial.md ==&#41;
+//     subpages;
+//     - name: Java
+//       content: &#40;== include google/foo/tutorial_java.md ==&#41;
+//   rules:
+//   - selector: google.calendar.Calendar.Get
+//     description: >
+//       ...
+//   - selector: google.calendar.Calendar.Put
+//     description: >
+//       ...
+// </code></pre>
+// Documentation is provided in markdown syntax. In addition to
+// standard markdown features, definition lists, tables and fenced
+// code blocks are supported. Section headers can be provided and are
+// interpreted relative to the section nesting of the context where
+// a documentation fragment is embedded.
+//
+// Documentation from the IDL is merged with documentation defined
+// via the config at normalization time, where documentation provided
+// by config rules overrides IDL provided.
+//
+// A number of constructs specific to the API platform are supported
+// in documentation text.
+//
+// In order to reference a proto element, the following
+// notation can be used:
+// <pre><code>&#91;fully.qualified.proto.name]&#91;]</code></pre>
+// To override the display text used for the link, this can be used:
+// <pre><code>&#91;display text]&#91;fully.qualified.proto.name]</code></pre>
+// Text can be excluded from doc using the following notation:
+// <pre><code>&#40;-- internal comment --&#41;</code></pre>
+//
+// A few directives are available in documentation. Note that
+// directives must appear on a single line to be properly
+// identified. The `include` directive includes a markdown file from
+// an external source:
+// <pre><code>&#40;== include path/to/file ==&#41;</code></pre>
+// The `resource_for` directive marks a message to be the resource of
+// a collection in REST view. If it is not specified, tools attempt
+// to infer the resource from the operations in a collection:
+// <pre><code>&#40;== resource_for v1.shelves.books ==&#41;</code></pre>
+// The directive `suppress_warning` does not directly affect documentation
+// and is documented together with service config validation.
+message Documentation {
+  // A short summary of what the service does. Can only be provided by
+  // plain text.
+  string summary = 1;
+
+  // The top level pages for the documentation set.
+  repeated Page pages = 5;
+
+  // A list of documentation rules that apply to individual API elements.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated DocumentationRule rules = 3;
+
+  // The URL to the root of documentation.
+  string documentation_root_url = 4;
+
+  // Declares a single overview page. For example:
+  // <pre><code>documentation:
+  //   summary: ...
+  //   overview: &#40;== include overview.md ==&#41;
+  // </code></pre>
+  // This is a shortcut for the following declaration (using pages style):
+  // <pre><code>documentation:
+  //   summary: ...
+  //   pages:
+  //   - name: Overview
+  //     content: &#40;== include overview.md ==&#41;
+  // </code></pre>
+  // Note: you cannot specify both `overview` field and `pages` field.
+  string overview = 2;
+}
+
+// A documentation rule provides information about individual API elements.
+message DocumentationRule {
+  // The selector is a comma-separated list of patterns. Each pattern is a
+  // qualified name of the element which may end in "*", indicating a wildcard.
+  // Wildcards are only allowed at the end and for a whole component of the
+  // qualified name, i.e. "foo.*" is ok, but not "foo.b*" or "foo.*.bar". To
+  // specify a default for all applicable elements, the whole pattern "*"
+  // is used.
+  string selector = 1;
+
+  // Description of the selected API(s).
+  string description = 2;
+
+  // Deprecation description of the selected element(s). It can be provided if an
+  // element is marked as `deprecated`.
+  string deprecation_description = 3;
+}
+
+// Represents a documentation page. A page can contain subpages to represent
+// nested documentation set structure.
+message Page {
+  // The name of the page. It will be used as an identity of the page to
+  // generate URI of the page, text of the link to this page in navigation,
+  // etc. The full page name (start from the root page name to this page
+  // concatenated with `.`) can be used as reference to the page in your
+  // documentation. For example:
+  // <pre><code>pages:
+  // - name: Tutorial
+  //   content: &#40;== include tutorial.md ==&#41;
+  //   subpages:
+  //   - name: Java
+  //     content: &#40;== include tutorial_java.md ==&#41;
+  // </code></pre>
+  // You can reference `Java` page using Markdown reference link syntax:
+  // `[Java][Tutorial.Java]`.
+  string name = 1;
+
+  // The Markdown content of the page. You can use <code>&#40;== include {path} ==&#41;</code>
+  // to include content from a Markdown file.
+  string content = 2;
+
+  // Subpages of this page. The order of subpages specified here will be
+  // honored in the generated docset.
+  repeated Page subpages = 3;
+}
diff --git a/build/extracted-include-protos/test/google/api/endpoint.proto b/build/extracted-include-protos/test/google/api/endpoint.proto
new file mode 100644
index 0000000000000000000000000000000000000000..c7bb13b0377f723b5b98499cc9af78503cb95c09
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/endpoint.proto
@@ -0,0 +1,71 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "EndpointProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// `Endpoint` describes a network endpoint that serves a set of APIs.
+// A service may expose any number of endpoints, and all endpoints share the
+// same service configuration, such as quota configuration and monitoring
+// configuration.
+//
+// Example service configuration:
+//
+//     name: library-example.googleapis.com
+//     endpoints:
+//       # Below entry makes 'google.example.library.v1.Library'
+//       # API be served from endpoint address library-example.googleapis.com.
+//       # It also allows HTTP OPTIONS calls to be passed to the backend, for
+//       # it to decide whether the subsequent cross-origin request is
+//       # allowed to proceed.
+//     - name: library-example.googleapis.com
+//       allow_cors: true
+message Endpoint {
+  // The canonical name of this endpoint.
+  string name = 1;
+
+  // DEPRECATED: This field is no longer supported. Instead of using aliases,
+  // please specify multiple [google.api.Endpoint][google.api.Endpoint] for each of the intended
+  // aliases.
+  //
+  // Additional names that this endpoint will be hosted on.
+  repeated string aliases = 2;
+
+  // The list of features enabled on this endpoint.
+  repeated string features = 4;
+
+  // The specification of an Internet routable address of API frontend that will
+  // handle requests to this [API Endpoint](https://cloud.google.com/apis/design/glossary).
+  // It should be either a valid IPv4 address or a fully-qualified domain name.
+  // For example, "8.8.8.8" or "myservice.appspot.com".
+  string target = 101;
+
+  // Allowing
+  // [CORS](https://en.wikipedia.org/wiki/Cross-origin_resource_sharing), aka
+  // cross-domain traffic, would allow the backends served from this endpoint to
+  // receive and respond to HTTP OPTIONS requests. The response will be used by
+  // the browser to determine whether the subsequent cross-origin request is
+  // allowed to proceed.
+  bool allow_cors = 5;
+}
diff --git a/build/extracted-include-protos/test/google/api/experimental/authorization_config.proto b/build/extracted-include-protos/test/google/api/experimental/authorization_config.proto
new file mode 100644
index 0000000000000000000000000000000000000000..21b35af48e33b1e7f09b06d4fb7582080c0e0f76
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/experimental/authorization_config.proto
@@ -0,0 +1,40 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api;api";
+option java_multiple_files = true;
+option java_outer_classname = "AuthorizationConfigProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Configuration of authorization.
+//
+// This section determines the authorization provider, if unspecified, then no
+// authorization check will be done.
+//
+// Example:
+//
+//     experimental:
+//       authorization:
+//         provider: firebaserules.googleapis.com
+message AuthorizationConfig {
+  // The name of the authorization provider, such as
+  // firebaserules.googleapis.com.
+  string provider = 1;
+}
diff --git a/build/extracted-include-protos/test/google/api/experimental/experimental.proto b/build/extracted-include-protos/test/google/api/experimental/experimental.proto
new file mode 100644
index 0000000000000000000000000000000000000000..a839cee57750eac0536ace9282db565370636a4a
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/experimental/experimental.proto
@@ -0,0 +1,34 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+import "google/api/experimental/authorization_config.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api;api";
+option java_multiple_files = true;
+option java_outer_classname = "ExperimentalProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Experimental service configuration. These configuration options can
+// only be used by whitelisted users.
+message Experimental {
+  // Authorization configuration.
+  AuthorizationConfig authorization = 8;
+}
diff --git a/build/extracted-include-protos/test/google/api/http.proto b/build/extracted-include-protos/test/google/api/http.proto
new file mode 100644
index 0000000000000000000000000000000000000000..78d515d4b6a1bc7914a72b443479d9baa0b2d972
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/http.proto
@@ -0,0 +1,313 @@
+// Copyright 2018 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option cc_enable_arenas = true;
+option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations";
+option java_multiple_files = true;
+option java_outer_classname = "HttpProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Defines the HTTP configuration for an API service. It contains a list of
+// [HttpRule][google.api.HttpRule], each specifying the mapping of an RPC method
+// to one or more HTTP REST API methods.
+message Http {
+  // A list of HTTP configuration rules that apply to individual API methods.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated HttpRule rules = 1;
+
+  // When set to true, URL path parmeters will be fully URI-decoded except in
+  // cases of single segment matches in reserved expansion, where "%2F" will be
+  // left encoded.
+  //
+  // The default behavior is to not decode RFC 6570 reserved characters in multi
+  // segment matches.
+  bool fully_decode_reserved_expansion = 2;
+}
+
+// `HttpRule` defines the mapping of an RPC method to one or more HTTP
+// REST API methods. The mapping specifies how different portions of the RPC
+// request message are mapped to URL path, URL query parameters, and
+// HTTP request body. The mapping is typically specified as an
+// `google.api.http` annotation on the RPC method,
+// see "google/api/annotations.proto" for details.
+//
+// The mapping consists of a field specifying the path template and
+// method kind.  The path template can refer to fields in the request
+// message, as in the example below which describes a REST GET
+// operation on a resource collection of messages:
+//
+//
+//     service Messaging {
+//       rpc GetMessage(GetMessageRequest) returns (Message) {
+//         option (google.api.http).get = "/v1/messages/{message_id}/{sub.subfield}";
+//       }
+//     }
+//     message GetMessageRequest {
+//       message SubMessage {
+//         string subfield = 1;
+//       }
+//       string message_id = 1; // mapped to the URL
+//       SubMessage sub = 2;    // `sub.subfield` is url-mapped
+//     }
+//     message Message {
+//       string text = 1; // content of the resource
+//     }
+//
+// The same http annotation can alternatively be expressed inside the
+// `GRPC API Configuration` YAML file.
+//
+//     http:
+//       rules:
+//         - selector: <proto_package_name>.Messaging.GetMessage
+//           get: /v1/messages/{message_id}/{sub.subfield}
+//
+// This definition enables an automatic, bidrectional mapping of HTTP
+// JSON to RPC. Example:
+//
+// HTTP | RPC
+// -----|-----
+// `GET /v1/messages/123456/foo`  | `GetMessage(message_id: "123456" sub: SubMessage(subfield: "foo"))`
+//
+// In general, not only fields but also field paths can be referenced
+// from a path pattern. Fields mapped to the path pattern cannot be
+// repeated and must have a primitive (non-message) type.
+//
+// Any fields in the request message which are not bound by the path
+// pattern automatically become (optional) HTTP query
+// parameters. Assume the following definition of the request message:
+//
+//
+//     service Messaging {
+//       rpc GetMessage(GetMessageRequest) returns (Message) {
+//         option (google.api.http).get = "/v1/messages/{message_id}";
+//       }
+//     }
+//     message GetMessageRequest {
+//       message SubMessage {
+//         string subfield = 1;
+//       }
+//       string message_id = 1; // mapped to the URL
+//       int64 revision = 2;    // becomes a parameter
+//       SubMessage sub = 3;    // `sub.subfield` becomes a parameter
+//     }
+//
+//
+// This enables a HTTP JSON to RPC mapping as below:
+//
+// HTTP | RPC
+// -----|-----
+// `GET /v1/messages/123456?revision=2&sub.subfield=foo` | `GetMessage(message_id: "123456" revision: 2 sub: SubMessage(subfield: "foo"))`
+//
+// Note that fields which are mapped to HTTP parameters must have a
+// primitive type or a repeated primitive type. Message types are not
+// allowed. In the case of a repeated type, the parameter can be
+// repeated in the URL, as in `...?param=A&param=B`.
+//
+// For HTTP method kinds which allow a request body, the `body` field
+// specifies the mapping. Consider a REST update method on the
+// message resource collection:
+//
+//
+//     service Messaging {
+//       rpc UpdateMessage(UpdateMessageRequest) returns (Message) {
+//         option (google.api.http) = {
+//           put: "/v1/messages/{message_id}"
+//           body: "message"
+//         };
+//       }
+//     }
+//     message UpdateMessageRequest {
+//       string message_id = 1; // mapped to the URL
+//       Message message = 2;   // mapped to the body
+//     }
+//
+//
+// The following HTTP JSON to RPC mapping is enabled, where the
+// representation of the JSON in the request body is determined by
+// protos JSON encoding:
+//
+// HTTP | RPC
+// -----|-----
+// `PUT /v1/messages/123456 { "text": "Hi!" }` | `UpdateMessage(message_id: "123456" message { text: "Hi!" })`
+//
+// The special name `*` can be used in the body mapping to define that
+// every field not bound by the path template should be mapped to the
+// request body.  This enables the following alternative definition of
+// the update method:
+//
+//     service Messaging {
+//       rpc UpdateMessage(Message) returns (Message) {
+//         option (google.api.http) = {
+//           put: "/v1/messages/{message_id}"
+//           body: "*"
+//         };
+//       }
+//     }
+//     message Message {
+//       string message_id = 1;
+//       string text = 2;
+//     }
+//
+//
+// The following HTTP JSON to RPC mapping is enabled:
+//
+// HTTP | RPC
+// -----|-----
+// `PUT /v1/messages/123456 { "text": "Hi!" }` | `UpdateMessage(message_id: "123456" text: "Hi!")`
+//
+// Note that when using `*` in the body mapping, it is not possible to
+// have HTTP parameters, as all fields not bound by the path end in
+// the body. This makes this option more rarely used in practice of
+// defining REST APIs. The common usage of `*` is in custom methods
+// which don't use the URL at all for transferring data.
+//
+// It is possible to define multiple HTTP methods for one RPC by using
+// the `additional_bindings` option. Example:
+//
+//     service Messaging {
+//       rpc GetMessage(GetMessageRequest) returns (Message) {
+//         option (google.api.http) = {
+//           get: "/v1/messages/{message_id}"
+//           additional_bindings {
+//             get: "/v1/users/{user_id}/messages/{message_id}"
+//           }
+//         };
+//       }
+//     }
+//     message GetMessageRequest {
+//       string message_id = 1;
+//       string user_id = 2;
+//     }
+//
+//
+// This enables the following two alternative HTTP JSON to RPC
+// mappings:
+//
+// HTTP | RPC
+// -----|-----
+// `GET /v1/messages/123456` | `GetMessage(message_id: "123456")`
+// `GET /v1/users/me/messages/123456` | `GetMessage(user_id: "me" message_id: "123456")`
+//
+// # Rules for HTTP mapping
+//
+// The rules for mapping HTTP path, query parameters, and body fields
+// to the request message are as follows:
+//
+// 1. The `body` field specifies either `*` or a field path, or is
+//    omitted. If omitted, it indicates there is no HTTP request body.
+// 2. Leaf fields (recursive expansion of nested messages in the
+//    request) can be classified into three types:
+//     (a) Matched in the URL template.
+//     (b) Covered by body (if body is `*`, everything except (a) fields;
+//         else everything under the body field)
+//     (c) All other fields.
+// 3. URL query parameters found in the HTTP request are mapped to (c) fields.
+// 4. Any body sent with an HTTP request can contain only (b) fields.
+//
+// The syntax of the path template is as follows:
+//
+//     Template = "/" Segments [ Verb ] ;
+//     Segments = Segment { "/" Segment } ;
+//     Segment  = "*" | "**" | LITERAL | Variable ;
+//     Variable = "{" FieldPath [ "=" Segments ] "}" ;
+//     FieldPath = IDENT { "." IDENT } ;
+//     Verb     = ":" LITERAL ;
+//
+// The syntax `*` matches a single path segment. The syntax `**` matches zero
+// or more path segments, which must be the last part of the path except the
+// `Verb`. The syntax `LITERAL` matches literal text in the path.
+//
+// The syntax `Variable` matches part of the URL path as specified by its
+// template. A variable template must not contain other variables. If a variable
+// matches a single path segment, its template may be omitted, e.g. `{var}`
+// is equivalent to `{var=*}`.
+//
+// If a variable contains exactly one path segment, such as `"{var}"` or
+// `"{var=*}"`, when such a variable is expanded into a URL path, all characters
+// except `[-_.~0-9a-zA-Z]` are percent-encoded. Such variables show up in the
+// Discovery Document as `{var}`.
+//
+// If a variable contains one or more path segments, such as `"{var=foo/*}"`
+// or `"{var=**}"`, when such a variable is expanded into a URL path, all
+// characters except `[-_.~/0-9a-zA-Z]` are percent-encoded. Such variables
+// show up in the Discovery Document as `{+var}`.
+//
+// NOTE: While the single segment variable matches the semantics of
+// [RFC 6570](https://tools.ietf.org/html/rfc6570) Section 3.2.2
+// Simple String Expansion, the multi segment variable **does not** match
+// RFC 6570 Reserved Expansion. The reason is that the Reserved Expansion
+// does not expand special characters like `?` and `#`, which would lead
+// to invalid URLs.
+//
+// NOTE: the field paths in variables and in the `body` must not refer to
+// repeated fields or map fields.
+message HttpRule {
+  // Selects methods to which this rule applies.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // Determines the URL pattern is matched by this rules. This pattern can be
+  // used with any of the {get|put|post|delete|patch} methods. A custom method
+  // can be defined using the 'custom' field.
+  oneof pattern {
+    // Used for listing and getting information about resources.
+    string get = 2;
+
+    // Used for updating a resource.
+    string put = 3;
+
+    // Used for creating a resource.
+    string post = 4;
+
+    // Used for deleting a resource.
+    string delete = 5;
+
+    // Used for updating a resource.
+    string patch = 6;
+
+    // The custom pattern is used for specifying an HTTP method that is not
+    // included in the `pattern` field, such as HEAD, or "*" to leave the
+    // HTTP method unspecified for this rule. The wild-card rule is useful
+    // for services that provide content to Web (HTML) clients.
+    CustomHttpPattern custom = 8;
+  }
+
+  // The name of the request field whose value is mapped to the HTTP body, or
+  // `*` for mapping all fields not captured by the path pattern to the HTTP
+  // body. NOTE: the referred field must not be a repeated field and must be
+  // present at the top-level of request message type.
+  string body = 7;
+
+  // Additional HTTP bindings for the selector. Nested bindings must
+  // not contain an `additional_bindings` field themselves (that is,
+  // the nesting may only be one level deep).
+  repeated HttpRule additional_bindings = 11;
+}
+
+// A custom pattern is used for defining custom HTTP verb.
+message CustomHttpPattern {
+  // The name of this custom HTTP verb.
+  string kind = 1;
+
+  // The path matched by this custom verb.
+  string path = 2;
+}
diff --git a/build/extracted-include-protos/test/google/api/httpbody.proto b/build/extracted-include-protos/test/google/api/httpbody.proto
new file mode 100644
index 0000000000000000000000000000000000000000..0e86e267d75126dfd652f1ba5750e625e987785c
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/httpbody.proto
@@ -0,0 +1,76 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/protobuf/any.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/httpbody;httpbody";
+option java_multiple_files = true;
+option java_outer_classname = "HttpBodyProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Message that represents an arbitrary HTTP body. It should only be used for
+// payload formats that can't be represented as JSON, such as raw binary or
+// an HTML page.
+//
+//
+// This message can be used both in streaming and non-streaming API methods in
+// the request as well as the response.
+//
+// It can be used as a top-level request field, which is convenient if one
+// wants to extract parameters from either the URL or HTTP template into the
+// request fields and also want access to the raw HTTP body.
+//
+// Example:
+//
+//     message GetResourceRequest {
+//       // A unique request id.
+//       string request_id = 1;
+//
+//       // The raw HTTP body is bound to this field.
+//       google.api.HttpBody http_body = 2;
+//     }
+//
+//     service ResourceService {
+//       rpc GetResource(GetResourceRequest) returns (google.api.HttpBody);
+//       rpc UpdateResource(google.api.HttpBody) returns (google.protobuf.Empty);
+//     }
+//
+// Example with streaming methods:
+//
+//     service CaldavService {
+//       rpc GetCalendar(stream google.api.HttpBody)
+//         returns (stream google.api.HttpBody);
+//       rpc UpdateCalendar(stream google.api.HttpBody)
+//         returns (stream google.api.HttpBody);
+//     }
+//
+// Use of this type only changes how the request and response bodies are
+// handled, all other features will continue to work unchanged.
+message HttpBody {
+  // The HTTP Content-Type string representing the content type of the body.
+  string content_type = 1;
+
+  // HTTP body binary data.
+  bytes data = 2;
+
+  // Application specific response metadata. Must be set in the first response
+  // for streaming APIs.
+  repeated google.protobuf.Any extensions = 3;
+}
diff --git a/build/extracted-include-protos/test/google/api/label.proto b/build/extracted-include-protos/test/google/api/label.proto
new file mode 100644
index 0000000000000000000000000000000000000000..3c20752ceb975ec46df4326c610d73bab4e031dc
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/label.proto
@@ -0,0 +1,49 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option cc_enable_arenas = true;
+option go_package = "google.golang.org/genproto/googleapis/api/label;label";
+option java_multiple_files = true;
+option java_outer_classname = "LabelProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// A description of a label.
+message LabelDescriptor {
+  // Value types that can be used as label values.
+  enum ValueType {
+    // A variable-length string. This is the default.
+    STRING = 0;
+
+    // Boolean; true or false.
+    BOOL = 1;
+
+    // A 64-bit signed integer.
+    INT64 = 2;
+  }
+
+  // The label key.
+  string key = 1;
+
+  // The type of data that can be assigned to the label.
+  ValueType value_type = 2;
+
+  // A human-readable description for the label.
+  string description = 3;
+}
diff --git a/build/extracted-include-protos/test/google/api/log.proto b/build/extracted-include-protos/test/google/api/log.proto
new file mode 100644
index 0000000000000000000000000000000000000000..673b5245ab24404cb9b80d214eb8d01a0cece971
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/log.proto
@@ -0,0 +1,55 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/label.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "LogProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// A description of a log type. Example in YAML format:
+//
+//     - name: library.googleapis.com/activity_history
+//       description: The history of borrowing and returning library items.
+//       display_name: Activity
+//       labels:
+//       - key: /customer_id
+//         description: Identifier of a library customer
+message LogDescriptor {
+  // The name of the log. It must be less than 512 characters long and can
+  // include the following characters: upper- and lower-case alphanumeric
+  // characters [A-Za-z0-9], and punctuation characters including
+  // slash, underscore, hyphen, period [/_-.].
+  string name = 1;
+
+  // The set of labels that are available to describe a specific log entry.
+  // Runtime requests that contain labels not specified here are
+  // considered invalid.
+  repeated LabelDescriptor labels = 2;
+
+  // A human-readable description of this log. This information appears in
+  // the documentation and can contain details.
+  string description = 3;
+
+  // The human-readable name for this log. This information appears on
+  // the user interface and should be concise.
+  string display_name = 4;
+}
diff --git a/build/extracted-include-protos/test/google/api/logging.proto b/build/extracted-include-protos/test/google/api/logging.proto
new file mode 100644
index 0000000000000000000000000000000000000000..ee7c1966e4706bcff9e303127564f41df47b9228
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/logging.proto
@@ -0,0 +1,83 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "LoggingProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Logging configuration of the service.
+//
+// The following example shows how to configure logs to be sent to the
+// producer and consumer projects. In the example, the `activity_history`
+// log is sent to both the producer and consumer projects, whereas the
+// `purchase_history` log is only sent to the producer project.
+//
+//     monitored_resources:
+//     - type: library.googleapis.com/branch
+//       labels:
+//       - key: /city
+//         description: The city where the library branch is located in.
+//       - key: /name
+//         description: The name of the branch.
+//     logs:
+//     - name: activity_history
+//       labels:
+//       - key: /customer_id
+//     - name: purchase_history
+//     logging:
+//       producer_destinations:
+//       - monitored_resource: library.googleapis.com/branch
+//         logs:
+//         - activity_history
+//         - purchase_history
+//       consumer_destinations:
+//       - monitored_resource: library.googleapis.com/branch
+//         logs:
+//         - activity_history
+message Logging {
+  // Configuration of a specific logging destination (the producer project
+  // or the consumer project).
+  message LoggingDestination {
+    // The monitored resource type. The type must be defined in the
+    // [Service.monitored_resources][google.api.Service.monitored_resources] section.
+    string monitored_resource = 3;
+
+    // Names of the logs to be sent to this destination. Each name must
+    // be defined in the [Service.logs][google.api.Service.logs] section. If the log name is
+    // not a domain scoped name, it will be automatically prefixed with
+    // the service name followed by "/".
+    repeated string logs = 1;
+  }
+
+  // Logging configurations for sending logs to the producer project.
+  // There can be multiple producer destinations, each one must have a
+  // different monitored resource type. A log can be used in at most
+  // one producer destination.
+  repeated LoggingDestination producer_destinations = 1;
+
+  // Logging configurations for sending logs to the consumer project.
+  // There can be multiple consumer destinations, each one must have a
+  // different monitored resource type. A log can be used in at most
+  // one consumer destination.
+  repeated LoggingDestination consumer_destinations = 2;
+}
diff --git a/build/extracted-include-protos/test/google/api/metric.proto b/build/extracted-include-protos/test/google/api/metric.proto
new file mode 100644
index 0000000000000000000000000000000000000000..5473ce5bfe440f3bfa6a64e887942694e5704140
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/metric.proto
@@ -0,0 +1,192 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/label.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/metric;metric";
+option java_multiple_files = true;
+option java_outer_classname = "MetricProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Defines a metric type and its schema. Once a metric descriptor is created,
+// deleting or altering it stops data collection and makes the metric type's
+// existing data unusable.
+message MetricDescriptor {
+  // The kind of measurement. It describes how the data is reported.
+  enum MetricKind {
+    // Do not use this default value.
+    METRIC_KIND_UNSPECIFIED = 0;
+
+    // An instantaneous measurement of a value.
+    GAUGE = 1;
+
+    // The change in a value during a time interval.
+    DELTA = 2;
+
+    // A value accumulated over a time interval.  Cumulative
+    // measurements in a time series should have the same start time
+    // and increasing end times, until an event resets the cumulative
+    // value to zero and sets a new start time for the following
+    // points.
+    CUMULATIVE = 3;
+  }
+
+  // The value type of a metric.
+  enum ValueType {
+    // Do not use this default value.
+    VALUE_TYPE_UNSPECIFIED = 0;
+
+    // The value is a boolean.
+    // This value type can be used only if the metric kind is `GAUGE`.
+    BOOL = 1;
+
+    // The value is a signed 64-bit integer.
+    INT64 = 2;
+
+    // The value is a double precision floating point number.
+    DOUBLE = 3;
+
+    // The value is a text string.
+    // This value type can be used only if the metric kind is `GAUGE`.
+    STRING = 4;
+
+    // The value is a [`Distribution`][google.api.Distribution].
+    DISTRIBUTION = 5;
+
+    // The value is money.
+    MONEY = 6;
+  }
+
+  // The resource name of the metric descriptor.
+  string name = 1;
+
+  // The metric type, including its DNS name prefix. The type is not
+  // URL-encoded.  All user-defined custom metric types have the DNS name
+  // `custom.googleapis.com`.  Metric types should use a natural hierarchical
+  // grouping. For example:
+  //
+  //     "custom.googleapis.com/invoice/paid/amount"
+  //     "appengine.googleapis.com/http/server/response_latencies"
+  string type = 8;
+
+  // The set of labels that can be used to describe a specific
+  // instance of this metric type. For example, the
+  // `appengine.googleapis.com/http/server/response_latencies` metric
+  // type has a label for the HTTP response code, `response_code`, so
+  // you can look at latencies for successful responses or just
+  // for responses that failed.
+  repeated LabelDescriptor labels = 2;
+
+  // Whether the metric records instantaneous values, changes to a value, etc.
+  // Some combinations of `metric_kind` and `value_type` might not be supported.
+  MetricKind metric_kind = 3;
+
+  // Whether the measurement is an integer, a floating-point number, etc.
+  // Some combinations of `metric_kind` and `value_type` might not be supported.
+  ValueType value_type = 4;
+
+  // The unit in which the metric value is reported. It is only applicable
+  // if the `value_type` is `INT64`, `DOUBLE`, or `DISTRIBUTION`. The
+  // supported units are a subset of [The Unified Code for Units of
+  // Measure](http://unitsofmeasure.org/ucum.html) standard:
+  //
+  // **Basic units (UNIT)**
+  //
+  // * `bit`   bit
+  // * `By`    byte
+  // * `s`     second
+  // * `min`   minute
+  // * `h`     hour
+  // * `d`     day
+  //
+  // **Prefixes (PREFIX)**
+  //
+  // * `k`     kilo    (10**3)
+  // * `M`     mega    (10**6)
+  // * `G`     giga    (10**9)
+  // * `T`     tera    (10**12)
+  // * `P`     peta    (10**15)
+  // * `E`     exa     (10**18)
+  // * `Z`     zetta   (10**21)
+  // * `Y`     yotta   (10**24)
+  // * `m`     milli   (10**-3)
+  // * `u`     micro   (10**-6)
+  // * `n`     nano    (10**-9)
+  // * `p`     pico    (10**-12)
+  // * `f`     femto   (10**-15)
+  // * `a`     atto    (10**-18)
+  // * `z`     zepto   (10**-21)
+  // * `y`     yocto   (10**-24)
+  // * `Ki`    kibi    (2**10)
+  // * `Mi`    mebi    (2**20)
+  // * `Gi`    gibi    (2**30)
+  // * `Ti`    tebi    (2**40)
+  //
+  // **Grammar**
+  //
+  // The grammar also includes these connectors:
+  //
+  // * `/`    division (as an infix operator, e.g. `1/s`).
+  // * `.`    multiplication (as an infix operator, e.g. `GBy.d`)
+  //
+  // The grammar for a unit is as follows:
+  //
+  //     Expression = Component { "." Component } { "/" Component } ;
+  //
+  //     Component = ( [ PREFIX ] UNIT | "%" ) [ Annotation ]
+  //               | Annotation
+  //               | "1"
+  //               ;
+  //
+  //     Annotation = "{" NAME "}" ;
+  //
+  // Notes:
+  //
+  // * `Annotation` is just a comment if it follows a `UNIT` and is
+  //    equivalent to `1` if it is used alone. For examples,
+  //    `{requests}/s == 1/s`, `By{transmitted}/s == By/s`.
+  // * `NAME` is a sequence of non-blank printable ASCII characters not
+  //    containing '{' or '}'.
+  // * `1` represents dimensionless value 1, such as in `1/s`.
+  // * `%` represents dimensionless value 1/100, and annotates values giving
+  //    a percentage.
+  string unit = 5;
+
+  // A detailed description of the metric, which can be used in documentation.
+  string description = 6;
+
+  // A concise name for the metric, which can be displayed in user interfaces.
+  // Use sentence case without an ending period, for example "Request count".
+  // This field is optional but it is recommended to be set for any metrics
+  // associated with user-visible concepts, such as Quota.
+  string display_name = 7;
+}
+
+// A specific metric, identified by specifying values for all of the
+// labels of a [`MetricDescriptor`][google.api.MetricDescriptor].
+message Metric {
+  // An existing metric type, see [google.api.MetricDescriptor][google.api.MetricDescriptor].
+  // For example, `custom.googleapis.com/invoice/paid/amount`.
+  string type = 3;
+
+  // The set of label values that uniquely identify this metric. All
+  // labels listed in the `MetricDescriptor` must be assigned values.
+  map<string, string> labels = 2;
+}
diff --git a/build/extracted-include-protos/test/google/api/monitored_resource.proto b/build/extracted-include-protos/test/google/api/monitored_resource.proto
new file mode 100644
index 0000000000000000000000000000000000000000..189ccd4aa76f7d4bc7bdcd6e528a5f60a10ce497
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/monitored_resource.proto
@@ -0,0 +1,116 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/label.proto";
+import "google/protobuf/struct.proto";
+
+option cc_enable_arenas = true;
+option go_package = "google.golang.org/genproto/googleapis/api/monitoredres;monitoredres";
+option java_multiple_files = true;
+option java_outer_classname = "MonitoredResourceProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// An object that describes the schema of a [MonitoredResource][google.api.MonitoredResource] object using a
+// type name and a set of labels.  For example, the monitored resource
+// descriptor for Google Compute Engine VM instances has a type of
+// `"gce_instance"` and specifies the use of the labels `"instance_id"` and
+// `"zone"` to identify particular VM instances.
+//
+// Different APIs can support different monitored resource types. APIs generally
+// provide a `list` method that returns the monitored resource descriptors used
+// by the API.
+message MonitoredResourceDescriptor {
+  // Optional. The resource name of the monitored resource descriptor:
+  // `"projects/{project_id}/monitoredResourceDescriptors/{type}"` where
+  // {type} is the value of the `type` field in this object and
+  // {project_id} is a project ID that provides API-specific context for
+  // accessing the type.  APIs that do not use project information can use the
+  // resource name format `"monitoredResourceDescriptors/{type}"`.
+  string name = 5;
+
+  // Required. The monitored resource type. For example, the type
+  // `"cloudsql_database"` represents databases in Google Cloud SQL.
+  // The maximum length of this value is 256 characters.
+  string type = 1;
+
+  // Optional. A concise name for the monitored resource type that might be
+  // displayed in user interfaces. It should be a Title Cased Noun Phrase,
+  // without any article or other determiners. For example,
+  // `"Google Cloud SQL Database"`.
+  string display_name = 2;
+
+  // Optional. A detailed description of the monitored resource type that might
+  // be used in documentation.
+  string description = 3;
+
+  // Required. A set of labels used to describe instances of this monitored
+  // resource type. For example, an individual Google Cloud SQL database is
+  // identified by values for the labels `"database_id"` and `"zone"`.
+  repeated LabelDescriptor labels = 4;
+}
+
+// An object representing a resource that can be used for monitoring, logging,
+// billing, or other purposes. Examples include virtual machine instances,
+// databases, and storage devices such as disks. The `type` field identifies a
+// [MonitoredResourceDescriptor][google.api.MonitoredResourceDescriptor] object that describes the resource's
+// schema. Information in the `labels` field identifies the actual resource and
+// its attributes according to the schema. For example, a particular Compute
+// Engine VM instance could be represented by the following object, because the
+// [MonitoredResourceDescriptor][google.api.MonitoredResourceDescriptor] for `"gce_instance"` has labels
+// `"instance_id"` and `"zone"`:
+//
+//     { "type": "gce_instance",
+//       "labels": { "instance_id": "12345678901234",
+//                   "zone": "us-central1-a" }}
+message MonitoredResource {
+  // Required. The monitored resource type. This field must match
+  // the `type` field of a [MonitoredResourceDescriptor][google.api.MonitoredResourceDescriptor] object. For
+  // example, the type of a Compute Engine VM instance is `gce_instance`.
+  string type = 1;
+
+  // Required. Values for all of the labels listed in the associated monitored
+  // resource descriptor. For example, Compute Engine VM instances use the
+  // labels `"project_id"`, `"instance_id"`, and `"zone"`.
+  map<string, string> labels = 2;
+}
+
+// Auxiliary metadata for a [MonitoredResource][google.api.MonitoredResource] object.
+// [MonitoredResource][google.api.MonitoredResource] objects contain the minimum set of information to
+// uniquely identify a monitored resource instance. There is some other useful
+// auxiliary metadata. Google Stackdriver Monitoring & Logging uses an ingestion
+// pipeline to extract metadata for cloud resources of all types , and stores
+// the metadata in this message.
+message MonitoredResourceMetadata {
+  // Output only. Values for predefined system metadata labels.
+  // System labels are a kind of metadata extracted by Google Stackdriver.
+  // Stackdriver determines what system labels are useful and how to obtain
+  // their values. Some examples: "machine_image", "vpc", "subnet_id",
+  // "security_group", "name", etc.
+  // System label values can be only strings, Boolean values, or a list of
+  // strings. For example:
+  //
+  //     { "name": "my-test-instance",
+  //       "security_group": ["a", "b", "c"],
+  //       "spot_instance": false }
+  google.protobuf.Struct system_labels = 1;
+
+  // Output only. A map of user-defined metadata labels.
+  map<string, string> user_labels = 2;
+}
diff --git a/build/extracted-include-protos/test/google/api/monitoring.proto b/build/extracted-include-protos/test/google/api/monitoring.proto
new file mode 100644
index 0000000000000000000000000000000000000000..30572146dc0ee183d94b8b189d4ff38565fb1233
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/monitoring.proto
@@ -0,0 +1,89 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "MonitoringProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Monitoring configuration of the service.
+//
+// The example below shows how to configure monitored resources and metrics
+// for monitoring. In the example, a monitored resource and two metrics are
+// defined. The `library.googleapis.com/book/returned_count` metric is sent
+// to both producer and consumer projects, whereas the
+// `library.googleapis.com/book/overdue_count` metric is only sent to the
+// consumer project.
+//
+//     monitored_resources:
+//     - type: library.googleapis.com/branch
+//       labels:
+//       - key: /city
+//         description: The city where the library branch is located in.
+//       - key: /name
+//         description: The name of the branch.
+//     metrics:
+//     - name: library.googleapis.com/book/returned_count
+//       metric_kind: DELTA
+//       value_type: INT64
+//       labels:
+//       - key: /customer_id
+//     - name: library.googleapis.com/book/overdue_count
+//       metric_kind: GAUGE
+//       value_type: INT64
+//       labels:
+//       - key: /customer_id
+//     monitoring:
+//       producer_destinations:
+//       - monitored_resource: library.googleapis.com/branch
+//         metrics:
+//         - library.googleapis.com/book/returned_count
+//       consumer_destinations:
+//       - monitored_resource: library.googleapis.com/branch
+//         metrics:
+//         - library.googleapis.com/book/returned_count
+//         - library.googleapis.com/book/overdue_count
+message Monitoring {
+  // Configuration of a specific monitoring destination (the producer project
+  // or the consumer project).
+  message MonitoringDestination {
+    // The monitored resource type. The type must be defined in
+    // [Service.monitored_resources][google.api.Service.monitored_resources] section.
+    string monitored_resource = 1;
+
+    // Names of the metrics to report to this monitoring destination.
+    // Each name must be defined in [Service.metrics][google.api.Service.metrics] section.
+    repeated string metrics = 2;
+  }
+
+  // Monitoring configurations for sending metrics to the producer project.
+  // There can be multiple producer destinations, each one must have a
+  // different monitored resource type. A metric can be used in at most
+  // one producer destination.
+  repeated MonitoringDestination producer_destinations = 1;
+
+  // Monitoring configurations for sending metrics to the consumer project.
+  // There can be multiple consumer destinations, each one must have a
+  // different monitored resource type. A metric can be used in at most
+  // one consumer destination.
+  repeated MonitoringDestination consumer_destinations = 2;
+}
diff --git a/build/extracted-include-protos/test/google/api/quota.proto b/build/extracted-include-protos/test/google/api/quota.proto
new file mode 100644
index 0000000000000000000000000000000000000000..aa327a1969461e94b37aed2f63f6b2d863bf0b4c
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/quota.proto
@@ -0,0 +1,259 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "QuotaProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Quota configuration helps to achieve fairness and budgeting in service
+// usage.
+//
+// The quota configuration works this way:
+// - The service configuration defines a set of metrics.
+// - For API calls, the quota.metric_rules maps methods to metrics with
+//   corresponding costs.
+// - The quota.limits defines limits on the metrics, which will be used for
+//   quota checks at runtime.
+//
+// An example quota configuration in yaml format:
+//
+//    quota:
+//      limits:
+//
+//      - name: apiWriteQpsPerProject
+//        metric: library.googleapis.com/write_calls
+//        unit: "1/min/{project}"  # rate limit for consumer projects
+//        values:
+//          STANDARD: 10000
+//
+//      # The metric rules bind all methods to the read_calls metric,
+//      # except for the UpdateBook and DeleteBook methods. These two methods
+//      # are mapped to the write_calls metric, with the UpdateBook method
+//      # consuming at twice rate as the DeleteBook method.
+//      metric_rules:
+//      - selector: "*"
+//        metric_costs:
+//          library.googleapis.com/read_calls: 1
+//      - selector: google.example.library.v1.LibraryService.UpdateBook
+//        metric_costs:
+//          library.googleapis.com/write_calls: 2
+//      - selector: google.example.library.v1.LibraryService.DeleteBook
+//        metric_costs:
+//          library.googleapis.com/write_calls: 1
+//
+//  Corresponding Metric definition:
+//
+//      metrics:
+//      - name: library.googleapis.com/read_calls
+//        display_name: Read requests
+//        metric_kind: DELTA
+//        value_type: INT64
+//
+//      - name: library.googleapis.com/write_calls
+//        display_name: Write requests
+//        metric_kind: DELTA
+//        value_type: INT64
+//
+message Quota {
+  // List of `QuotaLimit` definitions for the service.
+  //
+  // Used by metric-based quotas only.
+  repeated QuotaLimit limits = 3;
+
+  // List of `MetricRule` definitions, each one mapping a selected method to one
+  // or more metrics.
+  //
+  // Used by metric-based quotas only.
+  repeated MetricRule metric_rules = 4;
+}
+
+// Bind API methods to metrics. Binding a method to a metric causes that
+// metric's configured quota, billing, and monitoring behaviors to apply to the
+// method call.
+//
+// Used by metric-based quotas only.
+message MetricRule {
+  // Selects the methods to which this rule applies.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // Metrics to update when the selected methods are called, and the associated
+  // cost applied to each metric.
+  //
+  // The key of the map is the metric name, and the values are the amount
+  // increased for the metric against which the quota limits are defined.
+  // The value must not be negative.
+  map<string, int64> metric_costs = 2;
+}
+
+// `QuotaLimit` defines a specific limit that applies over a specified duration
+// for a limit type. There can be at most one limit for a duration and limit
+// type combination defined within a `QuotaGroup`.
+message QuotaLimit {
+  // Name of the quota limit. The name is used to refer to the limit when
+  // overriding the default limit on per-consumer basis.
+  //
+  // For group-based quota limits, the name must be unique within the quota
+  // group. If a name is not provided, it will be generated from the limit_by
+  // and duration fields.
+  //
+  // For metric-based quota limits, the name must be provided, and it must be
+  // unique within the service. The name can only include alphanumeric
+  // characters as well as '-'.
+  //
+  // The maximum length of the limit name is 64 characters.
+  //
+  // The name of a limit is used as a unique identifier for this limit.
+  // Therefore, once a limit has been put into use, its name should be
+  // immutable. You can use the display_name field to provide a user-friendly
+  // name for the limit. The display name can be evolved over time without
+  // affecting the identity of the limit.
+  string name = 6;
+
+  // Optional. User-visible, extended description for this quota limit.
+  // Should be used only when more context is needed to understand this limit
+  // than provided by the limit's display name (see: `display_name`).
+  string description = 2;
+
+  // Default number of tokens that can be consumed during the specified
+  // duration. This is the number of tokens assigned when a client
+  // application developer activates the service for his/her project.
+  //
+  // Specifying a value of 0 will block all requests. This can be used if you
+  // are provisioning quota to selected consumers and blocking others.
+  // Similarly, a value of -1 will indicate an unlimited quota. No other
+  // negative values are allowed.
+  //
+  // Used by group-based quotas only.
+  int64 default_limit = 3;
+
+  // Maximum number of tokens that can be consumed during the specified
+  // duration. Client application developers can override the default limit up
+  // to this maximum. If specified, this value cannot be set to a value less
+  // than the default limit. If not specified, it is set to the default limit.
+  //
+  // To allow clients to apply overrides with no upper bound, set this to -1,
+  // indicating unlimited maximum quota.
+  //
+  // Used by group-based quotas only.
+  int64 max_limit = 4;
+
+  // Free tier value displayed in the Developers Console for this limit.
+  // The free tier is the number of tokens that will be subtracted from the
+  // billed amount when billing is enabled.
+  // This field can only be set on a limit with duration "1d", in a billable
+  // group; it is invalid on any other limit. If this field is not set, it
+  // defaults to 0, indicating that there is no free tier for this service.
+  //
+  // Used by group-based quotas only.
+  int64 free_tier = 7;
+
+  // Duration of this limit in textual notation. Example: "100s", "24h", "1d".
+  // For duration longer than a day, only multiple of days is supported. We
+  // support only "100s" and "1d" for now. Additional support will be added in
+  // the future. "0" indicates indefinite duration.
+  //
+  // Used by group-based quotas only.
+  string duration = 5;
+
+  // The name of the metric this quota limit applies to. The quota limits with
+  // the same metric will be checked together during runtime. The metric must be
+  // defined within the service config.
+  //
+  // Used by metric-based quotas only.
+  string metric = 8;
+
+  // Specify the unit of the quota limit. It uses the same syntax as
+  // [Metric.unit][]. The supported unit kinds are determined by the quota
+  // backend system.
+  //
+  // The [Google Service Control](https://cloud.google.com/service-control)
+  // supports the following unit components:
+  // * One of the time intevals:
+  //   * "/min"  for quota every minute.
+  //   * "/d"  for quota every 24 hours, starting 00:00 US Pacific Time.
+  //   * Otherwise the quota won't be reset by time, such as storage limit.
+  // * One and only one of the granted containers:
+  //   * "/{organization}" quota for an organization.
+  //   * "/{project}" quota for a project.
+  //   * "/{folder}" quota for a folder.
+  //   * "/{resource}" quota for a universal resource.
+  // * Zero or more quota segmentation dimension. Not all combos are valid.
+  //   * "/{region}" quota for every region. Not to be used with time intervals.
+  //   * Otherwise the resources granted on the target is not segmented.
+  //   * "/{zone}" quota for every zone. Not to be used with time intervals.
+  //   * Otherwise the resources granted on the target is not segmented.
+  //   * "/{resource}" quota for a resource associated with a project or org.
+  //
+  // Here are some examples:
+  // * "1/min/{project}" for quota per minute per project.
+  // * "1/min/{user}" for quota per minute per user.
+  // * "1/min/{organization}" for quota per minute per organization.
+  //
+  // Note: the order of unit components is insignificant.
+  // The "1" at the beginning is required to follow the metric unit syntax.
+  //
+  // Used by metric-based quotas only.
+  string unit = 9;
+
+  // Tiered limit values. Also allows for regional or zone overrides for these
+  // values if "/{region}" or "/{zone}" is specified in the unit field.
+  //
+  // Currently supported tiers from low to high:
+  // VERY_LOW, LOW, STANDARD, HIGH, VERY_HIGH
+  //
+  // To apply different limit values for users according to their tiers, specify
+  // the values for the tiers you want to differentiate. For example:
+  // {LOW:100, STANDARD:500, HIGH:1000, VERY_HIGH:5000}
+  //
+  // The limit value for each tier is optional except for the tier STANDARD.
+  // The limit value for an unspecified tier falls to the value of its next
+  // tier towards tier STANDARD. For the above example, the limit value for tier
+  // STANDARD is 500.
+  //
+  // To apply the same limit value for all users, just specify limit value for
+  // tier STANDARD. For example: {STANDARD:500}.
+  //
+  // To apply a regional overide for a tier, add a map entry with key
+  // "<TIER>/<region>", where <region> is a region name. Similarly, for a zone
+  // override, add a map entry with key "<TIER>/{zone}".
+  // Further, a wildcard can be used at the end of a zone name in order to
+  // specify zone level overrides. For example:
+  // LOW: 10, STANDARD: 50, HIGH: 100,
+  // LOW/us-central1: 20, STANDARD/us-central1: 60, HIGH/us-central1: 200,
+  // LOW/us-central1-*: 10, STANDARD/us-central1-*: 20, HIGH/us-central1-*: 80
+  //
+  // The regional overrides tier set for each region must be the same as
+  // the tier set for default limit values. Same rule applies for zone overrides
+  // tier as well.
+  //
+  // Used by metric-based quotas only.
+  map<string, int64> values = 10;
+
+  // User-visible display name for this limit.
+  // Optional. If not set, the UI will provide a default display name based on
+  // the quota configuration. This field can be used to override the default
+  // display name generated from the configuration.
+  string display_name = 12;
+}
diff --git a/build/extracted-include-protos/test/google/api/service.proto b/build/extracted-include-protos/test/google/api/service.proto
new file mode 100644
index 0000000000000000000000000000000000000000..87fba7ba665504a057c5a12dc5f5f1434aa312ca
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/service.proto
@@ -0,0 +1,178 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+import "google/api/auth.proto";
+import "google/api/backend.proto";
+import "google/api/billing.proto";
+import "google/api/context.proto";
+import "google/api/control.proto";
+import "google/api/documentation.proto";
+import "google/api/endpoint.proto";
+import "google/api/experimental/experimental.proto";
+import "google/api/http.proto";
+import "google/api/label.proto";
+import "google/api/log.proto";
+import "google/api/logging.proto";
+import "google/api/metric.proto";
+import "google/api/monitored_resource.proto";
+import "google/api/monitoring.proto";
+import "google/api/quota.proto";
+import "google/api/source_info.proto";
+import "google/api/system_parameter.proto";
+import "google/api/usage.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/api.proto";
+import "google/protobuf/type.proto";
+import "google/protobuf/wrappers.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "ServiceProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// `Service` is the root object of Google service configuration schema. It
+// describes basic information about a service, such as the name and the
+// title, and delegates other aspects to sub-sections. Each sub-section is
+// either a proto message or a repeated proto message that configures a
+// specific aspect, such as auth. See each proto message definition for details.
+//
+// Example:
+//
+//     type: google.api.Service
+//     config_version: 3
+//     name: calendar.googleapis.com
+//     title: Google Calendar API
+//     apis:
+//     - name: google.calendar.v3.Calendar
+//     authentication:
+//       providers:
+//       - id: google_calendar_auth
+//         jwks_uri: https://www.googleapis.com/oauth2/v1/certs
+//         issuer: https://securetoken.google.com
+//       rules:
+//       - selector: "*"
+//         requirements:
+//           provider_id: google_calendar_auth
+message Service {
+  // The semantic version of the service configuration. The config version
+  // affects the interpretation of the service configuration. For example,
+  // certain features are enabled by default for certain config versions.
+  // The latest config version is `3`.
+  google.protobuf.UInt32Value config_version = 20;
+
+  // The DNS address at which this service is available,
+  // e.g. `calendar.googleapis.com`.
+  string name = 1;
+
+  // A unique ID for a specific instance of this message, typically assigned
+  // by the client for tracking purpose. If empty, the server may choose to
+  // generate one instead.
+  string id = 33;
+
+  // The product title for this service.
+  string title = 2;
+
+  // The Google project that owns this service.
+  string producer_project_id = 22;
+
+  // A list of API interfaces exported by this service. Only the `name` field
+  // of the [google.protobuf.Api][google.protobuf.Api] needs to be provided by the configuration
+  // author, as the remaining fields will be derived from the IDL during the
+  // normalization process. It is an error to specify an API interface here
+  // which cannot be resolved against the associated IDL files.
+  repeated google.protobuf.Api apis = 3;
+
+  // A list of all proto message types included in this API service.
+  // Types referenced directly or indirectly by the `apis` are
+  // automatically included.  Messages which are not referenced but
+  // shall be included, such as types used by the `google.protobuf.Any` type,
+  // should be listed here by name. Example:
+  //
+  //     types:
+  //     - name: google.protobuf.Int32
+  repeated google.protobuf.Type types = 4;
+
+  // A list of all enum types included in this API service.  Enums
+  // referenced directly or indirectly by the `apis` are automatically
+  // included.  Enums which are not referenced but shall be included
+  // should be listed here by name. Example:
+  //
+  //     enums:
+  //     - name: google.someapi.v1.SomeEnum
+  repeated google.protobuf.Enum enums = 5;
+
+  // Additional API documentation.
+  Documentation documentation = 6;
+
+  // API backend configuration.
+  Backend backend = 8;
+
+  // HTTP configuration.
+  Http http = 9;
+
+  // Quota configuration.
+  Quota quota = 10;
+
+  // Auth configuration.
+  Authentication authentication = 11;
+
+  // Context configuration.
+  Context context = 12;
+
+  // Configuration controlling usage of this service.
+  Usage usage = 15;
+
+  // Configuration for network endpoints.  If this is empty, then an endpoint
+  // with the same name as the service is automatically generated to service all
+  // defined APIs.
+  repeated Endpoint endpoints = 18;
+
+  // Configuration for the service control plane.
+  Control control = 21;
+
+  // Defines the logs used by this service.
+  repeated LogDescriptor logs = 23;
+
+  // Defines the metrics used by this service.
+  repeated MetricDescriptor metrics = 24;
+
+  // Defines the monitored resources used by this service. This is required
+  // by the [Service.monitoring][google.api.Service.monitoring] and [Service.logging][google.api.Service.logging] configurations.
+  repeated MonitoredResourceDescriptor monitored_resources = 25;
+
+  // Billing configuration.
+  Billing billing = 26;
+
+  // Logging configuration.
+  Logging logging = 27;
+
+  // Monitoring configuration.
+  Monitoring monitoring = 28;
+
+  // System parameter configuration.
+  SystemParameters system_parameters = 29;
+
+  // Output only. The source information for this configuration if available.
+  SourceInfo source_info = 37;
+
+  // Experimental configuration.
+  Experimental experimental = 101;
+}
diff --git a/build/extracted-include-protos/test/google/api/source_info.proto b/build/extracted-include-protos/test/google/api/source_info.proto
new file mode 100644
index 0000000000000000000000000000000000000000..58777856fb7055e58e15da17d632488b7ed23fed
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/source_info.proto
@@ -0,0 +1,32 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/protobuf/any.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "SourceInfoProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Source information used to create a Service Config
+message SourceInfo {
+  // All files used during config generation.
+  repeated google.protobuf.Any source_files = 1;
+}
diff --git a/build/extracted-include-protos/test/google/api/system_parameter.proto b/build/extracted-include-protos/test/google/api/system_parameter.proto
new file mode 100644
index 0000000000000000000000000000000000000000..a55212f044fbf85dbfd4f276aecb29e0b046a12d
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/system_parameter.proto
@@ -0,0 +1,96 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "SystemParameterProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// ### System parameter configuration
+//
+// A system parameter is a special kind of parameter defined by the API
+// system, not by an individual API. It is typically mapped to an HTTP header
+// and/or a URL query parameter. This configuration specifies which methods
+// change the names of the system parameters.
+message SystemParameters {
+  // Define system parameters.
+  //
+  // The parameters defined here will override the default parameters
+  // implemented by the system. If this field is missing from the service
+  // config, default system parameters will be used. Default system parameters
+  // and names is implementation-dependent.
+  //
+  // Example: define api key for all methods
+  //
+  //     system_parameters
+  //       rules:
+  //         - selector: "*"
+  //           parameters:
+  //             - name: api_key
+  //               url_query_parameter: api_key
+  //
+  //
+  // Example: define 2 api key names for a specific method.
+  //
+  //     system_parameters
+  //       rules:
+  //         - selector: "/ListShelves"
+  //           parameters:
+  //             - name: api_key
+  //               http_header: Api-Key1
+  //             - name: api_key
+  //               http_header: Api-Key2
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated SystemParameterRule rules = 1;
+}
+
+// Define a system parameter rule mapping system parameter definitions to
+// methods.
+message SystemParameterRule {
+  // Selects the methods to which this rule applies. Use '*' to indicate all
+  // methods in all APIs.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // Define parameters. Multiple names may be defined for a parameter.
+  // For a given method call, only one of them should be used. If multiple
+  // names are used the behavior is implementation-dependent.
+  // If none of the specified names are present the behavior is
+  // parameter-dependent.
+  repeated SystemParameter parameters = 2;
+}
+
+// Define a parameter's name and location. The parameter may be passed as either
+// an HTTP header or a URL query parameter, and if both are passed the behavior
+// is implementation-dependent.
+message SystemParameter {
+  // Define the name of the parameter, such as "api_key" . It is case sensitive.
+  string name = 1;
+
+  // Define the HTTP header name to use for the parameter. It is case
+  // insensitive.
+  string http_header = 2;
+
+  // Define the URL query parameter name to use for the parameter. It is case
+  // sensitive.
+  string url_query_parameter = 3;
+}
diff --git a/build/extracted-include-protos/test/google/api/usage.proto b/build/extracted-include-protos/test/google/api/usage.proto
new file mode 100644
index 0000000000000000000000000000000000000000..63299b56d279f1d38d75e90332d4f21001d426a3
--- /dev/null
+++ b/build/extracted-include-protos/test/google/api/usage.proto
@@ -0,0 +1,92 @@
+// Copyright 2018 Google LLC.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/annotations.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/serviceconfig;serviceconfig";
+option java_multiple_files = true;
+option java_outer_classname = "UsageProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+
+// Configuration controlling usage of a service.
+message Usage {
+  // Requirements that must be satisfied before a consumer project can use the
+  // service. Each requirement is of the form <service.name>/<requirement-id>;
+  // for example 'serviceusage.googleapis.com/billing-enabled'.
+  repeated string requirements = 1;
+
+  // A list of usage rules that apply to individual API methods.
+  //
+  // **NOTE:** All service configuration rules follow "last one wins" order.
+  repeated UsageRule rules = 6;
+
+  // The full resource name of a channel used for sending notifications to the
+  // service producer.
+  //
+  // Google Service Management currently only supports
+  // [Google Cloud Pub/Sub](https://cloud.google.com/pubsub) as a notification
+  // channel. To use Google Cloud Pub/Sub as the channel, this must be the name
+  // of a Cloud Pub/Sub topic that uses the Cloud Pub/Sub topic name format
+  // documented in https://cloud.google.com/pubsub/docs/overview.
+  string producer_notification_channel = 7;
+}
+
+// Usage configuration rules for the service.
+//
+// NOTE: Under development.
+//
+//
+// Use this rule to configure unregistered calls for the service. Unregistered
+// calls are calls that do not contain consumer project identity.
+// (Example: calls that do not contain an API key).
+// By default, API methods do not allow unregistered calls, and each method call
+// must be identified by a consumer project identity. Use this rule to
+// allow/disallow unregistered calls.
+//
+// Example of an API that wants to allow unregistered calls for entire service.
+//
+//     usage:
+//       rules:
+//       - selector: "*"
+//         allow_unregistered_calls: true
+//
+// Example of a method that wants to allow unregistered calls.
+//
+//     usage:
+//       rules:
+//       - selector: "google.example.library.v1.LibraryService.CreateBook"
+//         allow_unregistered_calls: true
+message UsageRule {
+  // Selects the methods to which this rule applies. Use '*' to indicate all
+  // methods in all APIs.
+  //
+  // Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
+  string selector = 1;
+
+  // If true, the selected method allows unregistered calls, e.g. calls
+  // that don't identify any user or application.
+  bool allow_unregistered_calls = 2;
+
+  // If true, the selected method should skip service control and the control
+  // plane features, such as quota and billing, will not be available.
+  // This flag is used by Google Cloud Endpoints to bypass checks for internal
+  // methods, such as service health check methods.
+  bool skip_service_control = 3;
+}
diff --git a/build/extracted-include-protos/test/google/cloud/audit/audit_log.proto b/build/extracted-include-protos/test/google/cloud/audit/audit_log.proto
new file mode 100644
index 0000000000000000000000000000000000000000..eab66a1f9c297589eec039ac5ed468f3e079ac3d
--- /dev/null
+++ b/build/extracted-include-protos/test/google/cloud/audit/audit_log.proto
@@ -0,0 +1,128 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.audit;
+
+import "google/api/annotations.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/struct.proto";
+import "google/rpc/status.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/cloud/audit;audit";
+option java_multiple_files = true;
+option java_outer_classname = "AuditLogProto";
+option java_package = "com.google.cloud.audit";
+
+
+// Common audit log format for Google Cloud Platform API operations.
+message AuditLog {
+  // The name of the API service performing the operation. For example,
+  // `"datastore.googleapis.com"`.
+  string service_name = 7;
+
+  // The name of the service method or operation.
+  // For API calls, this should be the name of the API method.
+  // For example,
+  //
+  //     "google.datastore.v1.Datastore.RunQuery"
+  //     "google.logging.v1.LoggingService.DeleteLog"
+  string method_name = 8;
+
+  // The resource or collection that is the target of the operation.
+  // The name is a scheme-less URI, not including the API service name.
+  // For example:
+  //
+  //     "shelves/SHELF_ID/books"
+  //     "shelves/SHELF_ID/books/BOOK_ID"
+  string resource_name = 11;
+
+  // The number of items returned from a List or Query API method,
+  // if applicable.
+  int64 num_response_items = 12;
+
+  // The status of the overall operation.
+  google.rpc.Status status = 2;
+
+  // Authentication information.
+  AuthenticationInfo authentication_info = 3;
+
+  // Authorization information. If there are multiple
+  // resources or permissions involved, then there is
+  // one AuthorizationInfo element for each {resource, permission} tuple.
+  repeated AuthorizationInfo authorization_info = 9;
+
+  // Metadata about the operation.
+  RequestMetadata request_metadata = 4;
+
+  // The operation request. This may not include all request parameters,
+  // such as those that are too large, privacy-sensitive, or duplicated
+  // elsewhere in the log record.
+  // It should never include user-generated data, such as file contents.
+  // When the JSON object represented here has a proto equivalent, the proto
+  // name will be indicated in the `@type` property.
+  google.protobuf.Struct request = 16;
+
+  // The operation response. This may not include all response elements,
+  // such as those that are too large, privacy-sensitive, or duplicated
+  // elsewhere in the log record.
+  // It should never include user-generated data, such as file contents.
+  // When the JSON object represented here has a proto equivalent, the proto
+  // name will be indicated in the `@type` property.
+  google.protobuf.Struct response = 17;
+
+  // Other service-specific data about the request, response, and other
+  // activities.
+  google.protobuf.Any service_data = 15;
+}
+
+// Authentication information for the operation.
+message AuthenticationInfo {
+  // The email address of the authenticated user making the request.
+  string principal_email = 1;
+}
+
+// Authorization information for the operation.
+message AuthorizationInfo {
+  // The resource being accessed, as a REST-style string. For example:
+  //
+  //     bigquery.googlapis.com/projects/PROJECTID/datasets/DATASETID
+  string resource = 1;
+
+  // The required IAM permission.
+  string permission = 2;
+
+  // Whether or not authorization for `resource` and `permission`
+  // was granted.
+  bool granted = 3;
+}
+
+// Metadata about the request.
+message RequestMetadata {
+  // The IP address of the caller.
+  string caller_ip = 1;
+
+  // The user agent of the caller.
+  // This information is not authenticated and should be treated accordingly.
+  // For example:
+  //
+  // +   `google-api-python-client/1.4.0`:
+  //     The request was made by the Google API client for Python.
+  // +   `Cloud SDK Command Line Tool apitools-client/1.0 gcloud/0.9.62`:
+  //     The request was made by the Google Cloud SDK CLI (gcloud).
+  // +   `AppEngine-Google; (+http://code.google.com/appengine; appid: s~my-project`:
+  //     The request was made from the `my-project` App Engine app.
+  string caller_supplied_user_agent = 2;
+}
diff --git a/build/extracted-include-protos/test/google/logging/type/http_request.proto b/build/extracted-include-protos/test/google/logging/type/http_request.proto
new file mode 100644
index 0000000000000000000000000000000000000000..4bca5082360f51f43f6db6d050083eb7a8c48839
--- /dev/null
+++ b/build/extracted-include-protos/test/google/logging/type/http_request.proto
@@ -0,0 +1,92 @@
+// Copyright 2018 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.logging.type;
+
+import "google/api/annotations.proto";
+import "google/protobuf/duration.proto";
+
+option csharp_namespace = "Google.Cloud.Logging.Type";
+option go_package = "google.golang.org/genproto/googleapis/logging/type;ltype";
+option java_multiple_files = true;
+option java_outer_classname = "HttpRequestProto";
+option java_package = "com.google.logging.type";
+option php_namespace = "Google\\Cloud\\Logging\\Type";
+
+
+// A common proto for logging HTTP requests. Only contains semantics
+// defined by the HTTP specification. Product-specific logging
+// information MUST be defined in a separate message.
+message HttpRequest {
+  // The request method. Examples: `"GET"`, `"HEAD"`, `"PUT"`, `"POST"`.
+  string request_method = 1;
+
+  // The scheme (http, https), the host name, the path and the query
+  // portion of the URL that was requested.
+  // Example: `"http://example.com/some/info?color=red"`.
+  string request_url = 2;
+
+  // The size of the HTTP request message in bytes, including the request
+  // headers and the request body.
+  int64 request_size = 3;
+
+  // The response code indicating the status of response.
+  // Examples: 200, 404.
+  int32 status = 4;
+
+  // The size of the HTTP response message sent back to the client, in bytes,
+  // including the response headers and the response body.
+  int64 response_size = 5;
+
+  // The user agent sent by the client. Example:
+  // `"Mozilla/4.0 (compatible; MSIE 6.0; Windows 98; Q312461; .NET CLR 1.0.3705)"`.
+  string user_agent = 6;
+
+  // The IP address (IPv4 or IPv6) of the client that issued the HTTP
+  // request. Examples: `"192.168.1.1"`, `"FE80::0202:B3FF:FE1E:8329"`.
+  string remote_ip = 7;
+
+  // The IP address (IPv4 or IPv6) of the origin server that the request was
+  // sent to.
+  string server_ip = 13;
+
+  // The referer URL of the request, as defined in
+  // [HTTP/1.1 Header Field Definitions](http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html).
+  string referer = 8;
+
+  // The request processing latency on the server, from the time the request was
+  // received until the response was sent.
+  google.protobuf.Duration latency = 14;
+
+  // Whether or not a cache lookup was attempted.
+  bool cache_lookup = 11;
+
+  // Whether or not an entity was served from cache
+  // (with or without validation).
+  bool cache_hit = 9;
+
+  // Whether or not the response was validated with the origin server before
+  // being served from cache. This field is only meaningful if `cache_hit` is
+  // True.
+  bool cache_validated_with_origin_server = 10;
+
+  // The number of HTTP response bytes inserted into cache. Set only when a
+  // cache fill was attempted.
+  int64 cache_fill_bytes = 12;
+
+  // Protocol used for the request. Examples: "HTTP/1.1", "HTTP/2", "websocket"
+  string protocol = 15;
+}
diff --git a/build/extracted-include-protos/test/google/logging/type/log_severity.proto b/build/extracted-include-protos/test/google/logging/type/log_severity.proto
new file mode 100644
index 0000000000000000000000000000000000000000..d366e077895ee23ce6d1e18d198a9f01ee30da49
--- /dev/null
+++ b/build/extracted-include-protos/test/google/logging/type/log_severity.proto
@@ -0,0 +1,72 @@
+// Copyright 2018 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.logging.type;
+
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Cloud.Logging.Type";
+option go_package = "google.golang.org/genproto/googleapis/logging/type;ltype";
+option java_multiple_files = true;
+option java_outer_classname = "LogSeverityProto";
+option java_package = "com.google.logging.type";
+option php_namespace = "Google\\Cloud\\Logging\\Type";
+
+
+// The severity of the event described in a log entry, expressed as one of the
+// standard severity levels listed below.  For your reference, the levels are
+// assigned the listed numeric values. The effect of using numeric values other
+// than those listed is undefined.
+//
+// You can filter for log entries by severity.  For example, the following
+// filter expression will match log entries with severities `INFO`, `NOTICE`,
+// and `WARNING`:
+//
+//     severity > DEBUG AND severity <= WARNING
+//
+// If you are writing log entries, you should map other severity encodings to
+// one of these standard levels. For example, you might map all of Java's FINE,
+// FINER, and FINEST levels to `LogSeverity.DEBUG`. You can preserve the
+// original severity level in the log entry payload if you wish.
+enum LogSeverity {
+  // (0) The log entry has no assigned severity level.
+  DEFAULT = 0;
+
+  // (100) Debug or trace information.
+  DEBUG = 100;
+
+  // (200) Routine information, such as ongoing status or performance.
+  INFO = 200;
+
+  // (300) Normal but significant events, such as start up, shut down, or
+  // a configuration change.
+  NOTICE = 300;
+
+  // (400) Warning events might cause problems.
+  WARNING = 400;
+
+  // (500) Error events are likely to cause problems.
+  ERROR = 500;
+
+  // (600) Critical events cause more severe problems or outages.
+  CRITICAL = 600;
+
+  // (700) A person must take an action immediately.
+  ALERT = 700;
+
+  // (800) One or more systems are unusable.
+  EMERGENCY = 800;
+}
diff --git a/build/extracted-include-protos/test/google/longrunning/operations.proto b/build/extracted-include-protos/test/google/longrunning/operations.proto
new file mode 100644
index 0000000000000000000000000000000000000000..76fef29c3e21723d16b16ca614e926f32068df54
--- /dev/null
+++ b/build/extracted-include-protos/test/google/longrunning/operations.proto
@@ -0,0 +1,160 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.longrunning;
+
+import "google/api/annotations.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/empty.proto";
+import "google/rpc/status.proto";
+
+option csharp_namespace = "Google.LongRunning";
+option go_package = "google.golang.org/genproto/googleapis/longrunning;longrunning";
+option java_multiple_files = true;
+option java_outer_classname = "OperationsProto";
+option java_package = "com.google.longrunning";
+option php_namespace = "Google\\LongRunning";
+
+
+// Manages long-running operations with an API service.
+//
+// When an API method normally takes long time to complete, it can be designed
+// to return [Operation][google.longrunning.Operation] to the client, and the client can use this
+// interface to receive the real response asynchronously by polling the
+// operation resource, or pass the operation resource to another API (such as
+// Google Cloud Pub/Sub API) to receive the response.  Any API service that
+// returns long-running operations should implement the `Operations` interface
+// so developers can have a consistent client experience.
+service Operations {
+  // Lists operations that match the specified filter in the request. If the
+  // server doesn't support this method, it returns `UNIMPLEMENTED`.
+  //
+  // NOTE: the `name` binding below allows API services to override the binding
+  // to use different resource name schemes, such as `users/*/operations`.
+  rpc ListOperations(ListOperationsRequest) returns (ListOperationsResponse) {
+    option (google.api.http) = { get: "/v1/{name=operations}" };
+  }
+
+  // Gets the latest state of a long-running operation.  Clients can use this
+  // method to poll the operation result at intervals as recommended by the API
+  // service.
+  rpc GetOperation(GetOperationRequest) returns (Operation) {
+    option (google.api.http) = { get: "/v1/{name=operations/**}" };
+  }
+
+  // Deletes a long-running operation. This method indicates that the client is
+  // no longer interested in the operation result. It does not cancel the
+  // operation. If the server doesn't support this method, it returns
+  // `google.rpc.Code.UNIMPLEMENTED`.
+  rpc DeleteOperation(DeleteOperationRequest) returns (google.protobuf.Empty) {
+    option (google.api.http) = { delete: "/v1/{name=operations/**}" };
+  }
+
+  // Starts asynchronous cancellation on a long-running operation.  The server
+  // makes a best effort to cancel the operation, but success is not
+  // guaranteed.  If the server doesn't support this method, it returns
+  // `google.rpc.Code.UNIMPLEMENTED`.  Clients can use
+  // [Operations.GetOperation][google.longrunning.Operations.GetOperation] or
+  // other methods to check whether the cancellation succeeded or whether the
+  // operation completed despite cancellation. On successful cancellation,
+  // the operation is not deleted; instead, it becomes an operation with
+  // an [Operation.error][google.longrunning.Operation.error] value with a [google.rpc.Status.code][google.rpc.Status.code] of 1,
+  // corresponding to `Code.CANCELLED`.
+  rpc CancelOperation(CancelOperationRequest) returns (google.protobuf.Empty) {
+    option (google.api.http) = { post: "/v1/{name=operations/**}:cancel" body: "*" };
+  }
+}
+
+// This resource represents a long-running operation that is the result of a
+// network API call.
+message Operation {
+  // The server-assigned name, which is only unique within the same service that
+  // originally returns it. If you use the default HTTP mapping, the
+  // `name` should have the format of `operations/some/unique/name`.
+  string name = 1;
+
+  // Service-specific metadata associated with the operation.  It typically
+  // contains progress information and common metadata such as create time.
+  // Some services might not provide such metadata.  Any method that returns a
+  // long-running operation should document the metadata type, if any.
+  google.protobuf.Any metadata = 2;
+
+  // If the value is `false`, it means the operation is still in progress.
+  // If true, the operation is completed, and either `error` or `response` is
+  // available.
+  bool done = 3;
+
+  // The operation result, which can be either an `error` or a valid `response`.
+  // If `done` == `false`, neither `error` nor `response` is set.
+  // If `done` == `true`, exactly one of `error` or `response` is set.
+  oneof result {
+    // The error result of the operation in case of failure or cancellation.
+    google.rpc.Status error = 4;
+
+    // The normal response of the operation in case of success.  If the original
+    // method returns no data on success, such as `Delete`, the response is
+    // `google.protobuf.Empty`.  If the original method is standard
+    // `Get`/`Create`/`Update`, the response should be the resource.  For other
+    // methods, the response should have the type `XxxResponse`, where `Xxx`
+    // is the original method name.  For example, if the original method name
+    // is `TakeSnapshot()`, the inferred response type is
+    // `TakeSnapshotResponse`.
+    google.protobuf.Any response = 5;
+  }
+}
+
+// The request message for [Operations.GetOperation][google.longrunning.Operations.GetOperation].
+message GetOperationRequest {
+  // The name of the operation resource.
+  string name = 1;
+}
+
+// The request message for [Operations.ListOperations][google.longrunning.Operations.ListOperations].
+message ListOperationsRequest {
+  // The name of the operation collection.
+  string name = 4;
+
+  // The standard list filter.
+  string filter = 1;
+
+  // The standard list page size.
+  int32 page_size = 2;
+
+  // The standard list page token.
+  string page_token = 3;
+}
+
+// The response message for [Operations.ListOperations][google.longrunning.Operations.ListOperations].
+message ListOperationsResponse {
+  // A list of operations that matches the specified filter in the request.
+  repeated Operation operations = 1;
+
+  // The standard List next-page token.
+  string next_page_token = 2;
+}
+
+// The request message for [Operations.CancelOperation][google.longrunning.Operations.CancelOperation].
+message CancelOperationRequest {
+  // The name of the operation resource to be cancelled.
+  string name = 1;
+}
+
+// The request message for [Operations.DeleteOperation][google.longrunning.Operations.DeleteOperation].
+message DeleteOperationRequest {
+  // The name of the operation resource to be deleted.
+  string name = 1;
+}
+
diff --git a/build/extracted-include-protos/test/google/protobuf/any.proto b/build/extracted-include-protos/test/google/protobuf/any.proto
new file mode 100644
index 0000000000000000000000000000000000000000..c9be85416736c6bfb51e8f386535de45076ecdba
--- /dev/null
+++ b/build/extracted-include-protos/test/google/protobuf/any.proto
@@ -0,0 +1,155 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option go_package = "github.com/golang/protobuf/ptypes/any";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "AnyProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+
+// `Any` contains an arbitrary serialized protocol buffer message along with a
+// URL that describes the type of the serialized message.
+//
+// Protobuf library provides support to pack/unpack Any values in the form
+// of utility functions or additional generated methods of the Any type.
+//
+// Example 1: Pack and unpack a message in C++.
+//
+//     Foo foo = ...;
+//     Any any;
+//     any.PackFrom(foo);
+//     ...
+//     if (any.UnpackTo(&foo)) {
+//       ...
+//     }
+//
+// Example 2: Pack and unpack a message in Java.
+//
+//     Foo foo = ...;
+//     Any any = Any.pack(foo);
+//     ...
+//     if (any.is(Foo.class)) {
+//       foo = any.unpack(Foo.class);
+//     }
+//
+//  Example 3: Pack and unpack a message in Python.
+//
+//     foo = Foo(...)
+//     any = Any()
+//     any.Pack(foo)
+//     ...
+//     if any.Is(Foo.DESCRIPTOR):
+//       any.Unpack(foo)
+//       ...
+//
+//  Example 4: Pack and unpack a message in Go
+//
+//      foo := &pb.Foo{...}
+//      any, err := ptypes.MarshalAny(foo)
+//      ...
+//      foo := &pb.Foo{}
+//      if err := ptypes.UnmarshalAny(any, foo); err != nil {
+//        ...
+//      }
+//
+// The pack methods provided by protobuf library will by default use
+// 'type.googleapis.com/full.type.name' as the type URL and the unpack
+// methods only use the fully qualified type name after the last '/'
+// in the type URL, for example "foo.bar.com/x/y.z" will yield type
+// name "y.z".
+//
+//
+// JSON
+// ====
+// The JSON representation of an `Any` value uses the regular
+// representation of the deserialized, embedded message, with an
+// additional field `@type` which contains the type URL. Example:
+//
+//     package google.profile;
+//     message Person {
+//       string first_name = 1;
+//       string last_name = 2;
+//     }
+//
+//     {
+//       "@type": "type.googleapis.com/google.profile.Person",
+//       "firstName": <string>,
+//       "lastName": <string>
+//     }
+//
+// If the embedded message type is well-known and has a custom JSON
+// representation, that representation will be embedded adding a field
+// `value` which holds the custom JSON in addition to the `@type`
+// field. Example (for message [google.protobuf.Duration][]):
+//
+//     {
+//       "@type": "type.googleapis.com/google.protobuf.Duration",
+//       "value": "1.212s"
+//     }
+//
+message Any {
+  // A URL/resource name that uniquely identifies the type of the serialized
+  // protocol buffer message. This string must contain at least
+  // one "/" character. The last segment of the URL's path must represent
+  // the fully qualified name of the type (as in
+  // `path/google.protobuf.Duration`). The name should be in a canonical form
+  // (e.g., leading "." is not accepted).
+  //
+  // In practice, teams usually precompile into the binary all types that they
+  // expect it to use in the context of Any. However, for URLs which use the
+  // scheme `http`, `https`, or no scheme, one can optionally set up a type
+  // server that maps type URLs to message definitions as follows:
+  //
+  // * If no scheme is provided, `https` is assumed.
+  // * An HTTP GET on the URL must yield a [google.protobuf.Type][]
+  //   value in binary format, or produce an error.
+  // * Applications are allowed to cache lookup results based on the
+  //   URL, or have them precompiled into a binary to avoid any
+  //   lookup. Therefore, binary compatibility needs to be preserved
+  //   on changes to types. (Use versioned type names to manage
+  //   breaking changes.)
+  //
+  // Note: this functionality is not currently available in the official
+  // protobuf release, and it is not used for type URLs beginning with
+  // type.googleapis.com.
+  //
+  // Schemes other than `http`, `https` (or the empty scheme) might be
+  // used with implementation specific semantics.
+  //
+  string type_url = 1;
+
+  // Must be a valid serialized protocol buffer of the above specified type.
+  bytes value = 2;
+}
diff --git a/build/extracted-include-protos/test/google/protobuf/api.proto b/build/extracted-include-protos/test/google/protobuf/api.proto
new file mode 100644
index 0000000000000000000000000000000000000000..f37ee2fa46baaf49a4e281db7e692ba0ffb4aea8
--- /dev/null
+++ b/build/extracted-include-protos/test/google/protobuf/api.proto
@@ -0,0 +1,210 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+import "google/protobuf/source_context.proto";
+import "google/protobuf/type.proto";
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "ApiProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+option go_package = "google.golang.org/genproto/protobuf/api;api";
+
+// Api is a light-weight descriptor for an API Interface.
+//
+// Interfaces are also described as "protocol buffer services" in some contexts,
+// such as by the "service" keyword in a .proto file, but they are different
+// from API Services, which represent a concrete implementation of an interface
+// as opposed to simply a description of methods and bindings. They are also
+// sometimes simply referred to as "APIs" in other contexts, such as the name of
+// this message itself. See https://cloud.google.com/apis/design/glossary for
+// detailed terminology.
+message Api {
+
+  // The fully qualified name of this interface, including package name
+  // followed by the interface's simple name.
+  string name = 1;
+
+  // The methods of this interface, in unspecified order.
+  repeated Method methods = 2;
+
+  // Any metadata attached to the interface.
+  repeated Option options = 3;
+
+  // A version string for this interface. If specified, must have the form
+  // `major-version.minor-version`, as in `1.10`. If the minor version is
+  // omitted, it defaults to zero. If the entire version field is empty, the
+  // major version is derived from the package name, as outlined below. If the
+  // field is not empty, the version in the package name will be verified to be
+  // consistent with what is provided here.
+  //
+  // The versioning schema uses [semantic
+  // versioning](http://semver.org) where the major version number
+  // indicates a breaking change and the minor version an additive,
+  // non-breaking change. Both version numbers are signals to users
+  // what to expect from different versions, and should be carefully
+  // chosen based on the product plan.
+  //
+  // The major version is also reflected in the package name of the
+  // interface, which must end in `v<major-version>`, as in
+  // `google.feature.v1`. For major versions 0 and 1, the suffix can
+  // be omitted. Zero major versions must only be used for
+  // experimental, non-GA interfaces.
+  //
+  //
+  string version = 4;
+
+  // Source context for the protocol buffer service represented by this
+  // message.
+  SourceContext source_context = 5;
+
+  // Included interfaces. See [Mixin][].
+  repeated Mixin mixins = 6;
+
+  // The source syntax of the service.
+  Syntax syntax = 7;
+}
+
+// Method represents a method of an API interface.
+message Method {
+
+  // The simple name of this method.
+  string name = 1;
+
+  // A URL of the input message type.
+  string request_type_url = 2;
+
+  // If true, the request is streamed.
+  bool request_streaming = 3;
+
+  // The URL of the output message type.
+  string response_type_url = 4;
+
+  // If true, the response is streamed.
+  bool response_streaming = 5;
+
+  // Any metadata attached to the method.
+  repeated Option options = 6;
+
+  // The source syntax of this method.
+  Syntax syntax = 7;
+}
+
+// Declares an API Interface to be included in this interface. The including
+// interface must redeclare all the methods from the included interface, but
+// documentation and options are inherited as follows:
+//
+// - If after comment and whitespace stripping, the documentation
+//   string of the redeclared method is empty, it will be inherited
+//   from the original method.
+//
+// - Each annotation belonging to the service config (http,
+//   visibility) which is not set in the redeclared method will be
+//   inherited.
+//
+// - If an http annotation is inherited, the path pattern will be
+//   modified as follows. Any version prefix will be replaced by the
+//   version of the including interface plus the [root][] path if
+//   specified.
+//
+// Example of a simple mixin:
+//
+//     package google.acl.v1;
+//     service AccessControl {
+//       // Get the underlying ACL object.
+//       rpc GetAcl(GetAclRequest) returns (Acl) {
+//         option (google.api.http).get = "/v1/{resource=**}:getAcl";
+//       }
+//     }
+//
+//     package google.storage.v2;
+//     service Storage {
+//       rpc GetAcl(GetAclRequest) returns (Acl);
+//
+//       // Get a data record.
+//       rpc GetData(GetDataRequest) returns (Data) {
+//         option (google.api.http).get = "/v2/{resource=**}";
+//       }
+//     }
+//
+// Example of a mixin configuration:
+//
+//     apis:
+//     - name: google.storage.v2.Storage
+//       mixins:
+//       - name: google.acl.v1.AccessControl
+//
+// The mixin construct implies that all methods in `AccessControl` are
+// also declared with same name and request/response types in
+// `Storage`. A documentation generator or annotation processor will
+// see the effective `Storage.GetAcl` method after inherting
+// documentation and annotations as follows:
+//
+//     service Storage {
+//       // Get the underlying ACL object.
+//       rpc GetAcl(GetAclRequest) returns (Acl) {
+//         option (google.api.http).get = "/v2/{resource=**}:getAcl";
+//       }
+//       ...
+//     }
+//
+// Note how the version in the path pattern changed from `v1` to `v2`.
+//
+// If the `root` field in the mixin is specified, it should be a
+// relative path under which inherited HTTP paths are placed. Example:
+//
+//     apis:
+//     - name: google.storage.v2.Storage
+//       mixins:
+//       - name: google.acl.v1.AccessControl
+//         root: acls
+//
+// This implies the following inherited HTTP annotation:
+//
+//     service Storage {
+//       // Get the underlying ACL object.
+//       rpc GetAcl(GetAclRequest) returns (Acl) {
+//         option (google.api.http).get = "/v2/acls/{resource=**}:getAcl";
+//       }
+//       ...
+//     }
+message Mixin {
+  // The fully qualified name of the interface which is included.
+  string name = 1;
+
+  // If non-empty specifies a path under which inherited HTTP paths
+  // are rooted.
+  string root = 2;
+}
diff --git a/build/extracted-include-protos/test/google/protobuf/compiler/plugin.proto b/build/extracted-include-protos/test/google/protobuf/compiler/plugin.proto
new file mode 100644
index 0000000000000000000000000000000000000000..665e5a725d8ce471e91fb741c3bf6bc6ca7d0d2b
--- /dev/null
+++ b/build/extracted-include-protos/test/google/protobuf/compiler/plugin.proto
@@ -0,0 +1,168 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+//
+// WARNING:  The plugin interface is currently EXPERIMENTAL and is subject to
+//   change.
+//
+// protoc (aka the Protocol Compiler) can be extended via plugins.  A plugin is
+// just a program that reads a CodeGeneratorRequest from stdin and writes a
+// CodeGeneratorResponse to stdout.
+//
+// Plugins written using C++ can use google/protobuf/compiler/plugin.h instead
+// of dealing with the raw protocol defined here.
+//
+// A plugin executable needs only to be placed somewhere in the path.  The
+// plugin should be named "protoc-gen-$NAME", and will then be used when the
+// flag "--${NAME}_out" is passed to protoc.
+
+syntax = "proto2";
+
+package google.protobuf.compiler;
+option java_package = "com.google.protobuf.compiler";
+option java_outer_classname = "PluginProtos";
+
+option go_package = "github.com/golang/protobuf/protoc-gen-go/plugin;plugin_go";
+
+import "google/protobuf/descriptor.proto";
+
+// The version number of protocol compiler.
+message Version {
+  optional int32 major = 1;
+  optional int32 minor = 2;
+  optional int32 patch = 3;
+  // A suffix for alpha, beta or rc release, e.g., "alpha-1", "rc2". It should
+  // be empty for mainline stable releases.
+  optional string suffix = 4;
+}
+
+// An encoded CodeGeneratorRequest is written to the plugin's stdin.
+message CodeGeneratorRequest {
+  // The .proto files that were explicitly listed on the command-line.  The
+  // code generator should generate code only for these files.  Each file's
+  // descriptor will be included in proto_file, below.
+  repeated string file_to_generate = 1;
+
+  // The generator parameter passed on the command-line.
+  optional string parameter = 2;
+
+  // FileDescriptorProtos for all files in files_to_generate and everything
+  // they import.  The files will appear in topological order, so each file
+  // appears before any file that imports it.
+  //
+  // protoc guarantees that all proto_files will be written after
+  // the fields above, even though this is not technically guaranteed by the
+  // protobuf wire format.  This theoretically could allow a plugin to stream
+  // in the FileDescriptorProtos and handle them one by one rather than read
+  // the entire set into memory at once.  However, as of this writing, this
+  // is not similarly optimized on protoc's end -- it will store all fields in
+  // memory at once before sending them to the plugin.
+  //
+  // Type names of fields and extensions in the FileDescriptorProto are always
+  // fully qualified.
+  repeated FileDescriptorProto proto_file = 15;
+
+  // The version number of protocol compiler.
+  optional Version compiler_version = 3;
+
+}
+
+// The plugin writes an encoded CodeGeneratorResponse to stdout.
+message CodeGeneratorResponse {
+  // Error message.  If non-empty, code generation failed.  The plugin process
+  // should exit with status code zero even if it reports an error in this way.
+  //
+  // This should be used to indicate errors in .proto files which prevent the
+  // code generator from generating correct code.  Errors which indicate a
+  // problem in protoc itself -- such as the input CodeGeneratorRequest being
+  // unparseable -- should be reported by writing a message to stderr and
+  // exiting with a non-zero status code.
+  optional string error = 1;
+
+  // Represents a single generated file.
+  message File {
+    // The file name, relative to the output directory.  The name must not
+    // contain "." or ".." components and must be relative, not be absolute (so,
+    // the file cannot lie outside the output directory).  "/" must be used as
+    // the path separator, not "\".
+    //
+    // If the name is omitted, the content will be appended to the previous
+    // file.  This allows the generator to break large files into small chunks,
+    // and allows the generated text to be streamed back to protoc so that large
+    // files need not reside completely in memory at one time.  Note that as of
+    // this writing protoc does not optimize for this -- it will read the entire
+    // CodeGeneratorResponse before writing files to disk.
+    optional string name = 1;
+
+    // If non-empty, indicates that the named file should already exist, and the
+    // content here is to be inserted into that file at a defined insertion
+    // point.  This feature allows a code generator to extend the output
+    // produced by another code generator.  The original generator may provide
+    // insertion points by placing special annotations in the file that look
+    // like:
+    //   @@protoc_insertion_point(NAME)
+    // The annotation can have arbitrary text before and after it on the line,
+    // which allows it to be placed in a comment.  NAME should be replaced with
+    // an identifier naming the point -- this is what other generators will use
+    // as the insertion_point.  Code inserted at this point will be placed
+    // immediately above the line containing the insertion point (thus multiple
+    // insertions to the same point will come out in the order they were added).
+    // The double-@ is intended to make it unlikely that the generated code
+    // could contain things that look like insertion points by accident.
+    //
+    // For example, the C++ code generator places the following line in the
+    // .pb.h files that it generates:
+    //   // @@protoc_insertion_point(namespace_scope)
+    // This line appears within the scope of the file's package namespace, but
+    // outside of any particular class.  Another plugin can then specify the
+    // insertion_point "namespace_scope" to generate additional classes or
+    // other declarations that should be placed in this scope.
+    //
+    // Note that if the line containing the insertion point begins with
+    // whitespace, the same whitespace will be added to every line of the
+    // inserted text.  This is useful for languages like Python, where
+    // indentation matters.  In these languages, the insertion point comment
+    // should be indented the same amount as any inserted code will need to be
+    // in order to work correctly in that context.
+    //
+    // The code generator that generates the initial file and the one which
+    // inserts into it must both run as part of a single invocation of protoc.
+    // Code generators are executed in the order in which they appear on the
+    // command line.
+    //
+    // If |insertion_point| is present, |name| must also be present.
+    optional string insertion_point = 2;
+
+    // The file contents.
+    optional string content = 15;
+  }
+  repeated File file = 15;
+}
diff --git a/build/extracted-include-protos/test/google/protobuf/descriptor.proto b/build/extracted-include-protos/test/google/protobuf/descriptor.proto
new file mode 100644
index 0000000000000000000000000000000000000000..a2102d7aa9960460194b61bde7c5e2e870f13166
--- /dev/null
+++ b/build/extracted-include-protos/test/google/protobuf/descriptor.proto
@@ -0,0 +1,885 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+//
+// The messages in this file describe the definitions found in .proto files.
+// A valid .proto file can be translated directly to a FileDescriptorProto
+// without any other information (e.g. without reading its imports).
+
+
+syntax = "proto2";
+
+package google.protobuf;
+
+option go_package = "github.com/golang/protobuf/protoc-gen-go/descriptor;descriptor";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "DescriptorProtos";
+option csharp_namespace = "Google.Protobuf.Reflection";
+option objc_class_prefix = "GPB";
+option cc_enable_arenas = true;
+
+// descriptor.proto must be optimized for speed because reflection-based
+// algorithms don't work during bootstrapping.
+option optimize_for = SPEED;
+
+// The protocol compiler can output a FileDescriptorSet containing the .proto
+// files it parses.
+message FileDescriptorSet {
+  repeated FileDescriptorProto file = 1;
+}
+
+// Describes a complete .proto file.
+message FileDescriptorProto {
+  optional string name = 1;     // file name, relative to root of source tree
+  optional string package = 2;  // e.g. "foo", "foo.bar", etc.
+
+  // Names of files imported by this file.
+  repeated string dependency = 3;
+  // Indexes of the public imported files in the dependency list above.
+  repeated int32 public_dependency = 10;
+  // Indexes of the weak imported files in the dependency list.
+  // For Google-internal migration only. Do not use.
+  repeated int32 weak_dependency = 11;
+
+  // All top-level definitions in this file.
+  repeated DescriptorProto message_type = 4;
+  repeated EnumDescriptorProto enum_type = 5;
+  repeated ServiceDescriptorProto service = 6;
+  repeated FieldDescriptorProto extension = 7;
+
+  optional FileOptions options = 8;
+
+  // This field contains optional information about the original source code.
+  // You may safely remove this entire field without harming runtime
+  // functionality of the descriptors -- the information is needed only by
+  // development tools.
+  optional SourceCodeInfo source_code_info = 9;
+
+  // The syntax of the proto file.
+  // The supported values are "proto2" and "proto3".
+  optional string syntax = 12;
+}
+
+// Describes a message type.
+message DescriptorProto {
+  optional string name = 1;
+
+  repeated FieldDescriptorProto field = 2;
+  repeated FieldDescriptorProto extension = 6;
+
+  repeated DescriptorProto nested_type = 3;
+  repeated EnumDescriptorProto enum_type = 4;
+
+  message ExtensionRange {
+    optional int32 start = 1;  // Inclusive.
+    optional int32 end = 2;    // Exclusive.
+
+    optional ExtensionRangeOptions options = 3;
+  }
+  repeated ExtensionRange extension_range = 5;
+
+  repeated OneofDescriptorProto oneof_decl = 8;
+
+  optional MessageOptions options = 7;
+
+  // Range of reserved tag numbers. Reserved tag numbers may not be used by
+  // fields or extension ranges in the same message. Reserved ranges may
+  // not overlap.
+  message ReservedRange {
+    optional int32 start = 1;  // Inclusive.
+    optional int32 end = 2;    // Exclusive.
+  }
+  repeated ReservedRange reserved_range = 9;
+  // Reserved field names, which may not be used by fields in the same message.
+  // A given name may only be reserved once.
+  repeated string reserved_name = 10;
+}
+
+message ExtensionRangeOptions {
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+// Describes a field within a message.
+message FieldDescriptorProto {
+  enum Type {
+    // 0 is reserved for errors.
+    // Order is weird for historical reasons.
+    TYPE_DOUBLE = 1;
+    TYPE_FLOAT = 2;
+    // Not ZigZag encoded.  Negative numbers take 10 bytes.  Use TYPE_SINT64 if
+    // negative values are likely.
+    TYPE_INT64 = 3;
+    TYPE_UINT64 = 4;
+    // Not ZigZag encoded.  Negative numbers take 10 bytes.  Use TYPE_SINT32 if
+    // negative values are likely.
+    TYPE_INT32 = 5;
+    TYPE_FIXED64 = 6;
+    TYPE_FIXED32 = 7;
+    TYPE_BOOL = 8;
+    TYPE_STRING = 9;
+    // Tag-delimited aggregate.
+    // Group type is deprecated and not supported in proto3. However, Proto3
+    // implementations should still be able to parse the group wire format and
+    // treat group fields as unknown fields.
+    TYPE_GROUP = 10;
+    TYPE_MESSAGE = 11;  // Length-delimited aggregate.
+
+    // New in version 2.
+    TYPE_BYTES = 12;
+    TYPE_UINT32 = 13;
+    TYPE_ENUM = 14;
+    TYPE_SFIXED32 = 15;
+    TYPE_SFIXED64 = 16;
+    TYPE_SINT32 = 17;  // Uses ZigZag encoding.
+    TYPE_SINT64 = 18;  // Uses ZigZag encoding.
+  }
+
+  enum Label {
+    // 0 is reserved for errors
+    LABEL_OPTIONAL = 1;
+    LABEL_REQUIRED = 2;
+    LABEL_REPEATED = 3;
+  }
+
+  optional string name = 1;
+  optional int32 number = 3;
+  optional Label label = 4;
+
+  // If type_name is set, this need not be set.  If both this and type_name
+  // are set, this must be one of TYPE_ENUM, TYPE_MESSAGE or TYPE_GROUP.
+  optional Type type = 5;
+
+  // For message and enum types, this is the name of the type.  If the name
+  // starts with a '.', it is fully-qualified.  Otherwise, C++-like scoping
+  // rules are used to find the type (i.e. first the nested types within this
+  // message are searched, then within the parent, on up to the root
+  // namespace).
+  optional string type_name = 6;
+
+  // For extensions, this is the name of the type being extended.  It is
+  // resolved in the same manner as type_name.
+  optional string extendee = 2;
+
+  // For numeric types, contains the original text representation of the value.
+  // For booleans, "true" or "false".
+  // For strings, contains the default text contents (not escaped in any way).
+  // For bytes, contains the C escaped value.  All bytes >= 128 are escaped.
+  // TODO(kenton):  Base-64 encode?
+  optional string default_value = 7;
+
+  // If set, gives the index of a oneof in the containing type's oneof_decl
+  // list.  This field is a member of that oneof.
+  optional int32 oneof_index = 9;
+
+  // JSON name of this field. The value is set by protocol compiler. If the
+  // user has set a "json_name" option on this field, that option's value
+  // will be used. Otherwise, it's deduced from the field's name by converting
+  // it to camelCase.
+  optional string json_name = 10;
+
+  optional FieldOptions options = 8;
+}
+
+// Describes a oneof.
+message OneofDescriptorProto {
+  optional string name = 1;
+  optional OneofOptions options = 2;
+}
+
+// Describes an enum type.
+message EnumDescriptorProto {
+  optional string name = 1;
+
+  repeated EnumValueDescriptorProto value = 2;
+
+  optional EnumOptions options = 3;
+
+  // Range of reserved numeric values. Reserved values may not be used by
+  // entries in the same enum. Reserved ranges may not overlap.
+  //
+  // Note that this is distinct from DescriptorProto.ReservedRange in that it
+  // is inclusive such that it can appropriately represent the entire int32
+  // domain.
+  message EnumReservedRange {
+    optional int32 start = 1;  // Inclusive.
+    optional int32 end = 2;    // Inclusive.
+  }
+
+  // Range of reserved numeric values. Reserved numeric values may not be used
+  // by enum values in the same enum declaration. Reserved ranges may not
+  // overlap.
+  repeated EnumReservedRange reserved_range = 4;
+
+  // Reserved enum value names, which may not be reused. A given name may only
+  // be reserved once.
+  repeated string reserved_name = 5;
+}
+
+// Describes a value within an enum.
+message EnumValueDescriptorProto {
+  optional string name = 1;
+  optional int32 number = 2;
+
+  optional EnumValueOptions options = 3;
+}
+
+// Describes a service.
+message ServiceDescriptorProto {
+  optional string name = 1;
+  repeated MethodDescriptorProto method = 2;
+
+  optional ServiceOptions options = 3;
+}
+
+// Describes a method of a service.
+message MethodDescriptorProto {
+  optional string name = 1;
+
+  // Input and output type names.  These are resolved in the same way as
+  // FieldDescriptorProto.type_name, but must refer to a message type.
+  optional string input_type = 2;
+  optional string output_type = 3;
+
+  optional MethodOptions options = 4;
+
+  // Identifies if client streams multiple client messages
+  optional bool client_streaming = 5 [default = false];
+  // Identifies if server streams multiple server messages
+  optional bool server_streaming = 6 [default = false];
+}
+
+
+// ===================================================================
+// Options
+
+// Each of the definitions above may have "options" attached.  These are
+// just annotations which may cause code to be generated slightly differently
+// or may contain hints for code that manipulates protocol messages.
+//
+// Clients may define custom options as extensions of the *Options messages.
+// These extensions may not yet be known at parsing time, so the parser cannot
+// store the values in them.  Instead it stores them in a field in the *Options
+// message called uninterpreted_option. This field must have the same name
+// across all *Options messages. We then use this field to populate the
+// extensions when we build a descriptor, at which point all protos have been
+// parsed and so all extensions are known.
+//
+// Extension numbers for custom options may be chosen as follows:
+// * For options which will only be used within a single application or
+//   organization, or for experimental options, use field numbers 50000
+//   through 99999.  It is up to you to ensure that you do not use the
+//   same number for multiple options.
+// * For options which will be published and used publicly by multiple
+//   independent entities, e-mail protobuf-global-extension-registry@google.com
+//   to reserve extension numbers. Simply provide your project name (e.g.
+//   Objective-C plugin) and your project website (if available) -- there's no
+//   need to explain how you intend to use them. Usually you only need one
+//   extension number. You can declare multiple options with only one extension
+//   number by putting them in a sub-message. See the Custom Options section of
+//   the docs for examples:
+//   https://developers.google.com/protocol-buffers/docs/proto#options
+//   If this turns out to be popular, a web service will be set up
+//   to automatically assign option numbers.
+
+message FileOptions {
+
+  // Sets the Java package where classes generated from this .proto will be
+  // placed.  By default, the proto package is used, but this is often
+  // inappropriate because proto packages do not normally start with backwards
+  // domain names.
+  optional string java_package = 1;
+
+
+  // If set, all the classes from the .proto file are wrapped in a single
+  // outer class with the given name.  This applies to both Proto1
+  // (equivalent to the old "--one_java_file" option) and Proto2 (where
+  // a .proto always translates to a single class, but you may want to
+  // explicitly choose the class name).
+  optional string java_outer_classname = 8;
+
+  // If set true, then the Java code generator will generate a separate .java
+  // file for each top-level message, enum, and service defined in the .proto
+  // file.  Thus, these types will *not* be nested inside the outer class
+  // named by java_outer_classname.  However, the outer class will still be
+  // generated to contain the file's getDescriptor() method as well as any
+  // top-level extensions defined in the file.
+  optional bool java_multiple_files = 10 [default = false];
+
+  // This option does nothing.
+  optional bool java_generate_equals_and_hash = 20 [deprecated=true];
+
+  // If set true, then the Java2 code generator will generate code that
+  // throws an exception whenever an attempt is made to assign a non-UTF-8
+  // byte sequence to a string field.
+  // Message reflection will do the same.
+  // However, an extension field still accepts non-UTF-8 byte sequences.
+  // This option has no effect on when used with the lite runtime.
+  optional bool java_string_check_utf8 = 27 [default = false];
+
+
+  // Generated classes can be optimized for speed or code size.
+  enum OptimizeMode {
+    SPEED = 1;         // Generate complete code for parsing, serialization,
+                       // etc.
+    CODE_SIZE = 2;     // Use ReflectionOps to implement these methods.
+    LITE_RUNTIME = 3;  // Generate code using MessageLite and the lite runtime.
+  }
+  optional OptimizeMode optimize_for = 9 [default = SPEED];
+
+  // Sets the Go package where structs generated from this .proto will be
+  // placed. If omitted, the Go package will be derived from the following:
+  //   - The basename of the package import path, if provided.
+  //   - Otherwise, the package statement in the .proto file, if present.
+  //   - Otherwise, the basename of the .proto file, without extension.
+  optional string go_package = 11;
+
+
+
+
+  // Should generic services be generated in each language?  "Generic" services
+  // are not specific to any particular RPC system.  They are generated by the
+  // main code generators in each language (without additional plugins).
+  // Generic services were the only kind of service generation supported by
+  // early versions of google.protobuf.
+  //
+  // Generic services are now considered deprecated in favor of using plugins
+  // that generate code specific to your particular RPC system.  Therefore,
+  // these default to false.  Old code which depends on generic services should
+  // explicitly set them to true.
+  optional bool cc_generic_services = 16 [default = false];
+  optional bool java_generic_services = 17 [default = false];
+  optional bool py_generic_services = 18 [default = false];
+  optional bool php_generic_services = 42 [default = false];
+
+  // Is this file deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for everything in the file, or it will be completely ignored; in the very
+  // least, this is a formalization for deprecating files.
+  optional bool deprecated = 23 [default = false];
+
+  // Enables the use of arenas for the proto messages in this file. This applies
+  // only to generated classes for C++.
+  optional bool cc_enable_arenas = 31 [default = false];
+
+
+  // Sets the objective c class prefix which is prepended to all objective c
+  // generated classes from this .proto. There is no default.
+  optional string objc_class_prefix = 36;
+
+  // Namespace for generated classes; defaults to the package.
+  optional string csharp_namespace = 37;
+
+  // By default Swift generators will take the proto package and CamelCase it
+  // replacing '.' with underscore and use that to prefix the types/symbols
+  // defined. When this options is provided, they will use this value instead
+  // to prefix the types/symbols defined.
+  optional string swift_prefix = 39;
+
+  // Sets the php class prefix which is prepended to all php generated classes
+  // from this .proto. Default is empty.
+  optional string php_class_prefix = 40;
+
+  // Use this option to change the namespace of php generated classes. Default
+  // is empty. When this option is empty, the package name will be used for
+  // determining the namespace.
+  optional string php_namespace = 41;
+
+  // Use this option to change the namespace of php generated metadata classes.
+  // Default is empty. When this option is empty, the proto file name will be
+  // used for determining the namespace.
+  optional string php_metadata_namespace = 44;
+
+  // Use this option to change the package of ruby generated classes. Default
+  // is empty. When this option is not set, the package name will be used for
+  // determining the ruby package.
+  optional string ruby_package = 45;
+
+
+  // The parser stores options it doesn't recognize here.
+  // See the documentation for the "Options" section above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message.
+  // See the documentation for the "Options" section above.
+  extensions 1000 to max;
+
+  reserved 38;
+}
+
+message MessageOptions {
+  // Set true to use the old proto1 MessageSet wire format for extensions.
+  // This is provided for backwards-compatibility with the MessageSet wire
+  // format.  You should not use this for any other reason:  It's less
+  // efficient, has fewer features, and is more complicated.
+  //
+  // The message must be defined exactly as follows:
+  //   message Foo {
+  //     option message_set_wire_format = true;
+  //     extensions 4 to max;
+  //   }
+  // Note that the message cannot have any defined fields; MessageSets only
+  // have extensions.
+  //
+  // All extensions of your type must be singular messages; e.g. they cannot
+  // be int32s, enums, or repeated messages.
+  //
+  // Because this is an option, the above two restrictions are not enforced by
+  // the protocol compiler.
+  optional bool message_set_wire_format = 1 [default = false];
+
+  // Disables the generation of the standard "descriptor()" accessor, which can
+  // conflict with a field of the same name.  This is meant to make migration
+  // from proto1 easier; new code should avoid fields named "descriptor".
+  optional bool no_standard_descriptor_accessor = 2 [default = false];
+
+  // Is this message deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the message, or it will be completely ignored; in the very least,
+  // this is a formalization for deprecating messages.
+  optional bool deprecated = 3 [default = false];
+
+  // Whether the message is an automatically generated map entry type for the
+  // maps field.
+  //
+  // For maps fields:
+  //     map<KeyType, ValueType> map_field = 1;
+  // The parsed descriptor looks like:
+  //     message MapFieldEntry {
+  //         option map_entry = true;
+  //         optional KeyType key = 1;
+  //         optional ValueType value = 2;
+  //     }
+  //     repeated MapFieldEntry map_field = 1;
+  //
+  // Implementations may choose not to generate the map_entry=true message, but
+  // use a native map in the target language to hold the keys and values.
+  // The reflection APIs in such implementations still need to work as
+  // if the field is a repeated message field.
+  //
+  // NOTE: Do not set the option in .proto files. Always use the maps syntax
+  // instead. The option should only be implicitly set by the proto compiler
+  // parser.
+  optional bool map_entry = 7;
+
+  reserved 8;  // javalite_serializable
+  reserved 9;  // javanano_as_lite
+
+
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+message FieldOptions {
+  // The ctype option instructs the C++ code generator to use a different
+  // representation of the field than it normally would.  See the specific
+  // options below.  This option is not yet implemented in the open source
+  // release -- sorry, we'll try to include it in a future version!
+  optional CType ctype = 1 [default = STRING];
+  enum CType {
+    // Default mode.
+    STRING = 0;
+
+    CORD = 1;
+
+    STRING_PIECE = 2;
+  }
+  // The packed option can be enabled for repeated primitive fields to enable
+  // a more efficient representation on the wire. Rather than repeatedly
+  // writing the tag and type for each element, the entire array is encoded as
+  // a single length-delimited blob. In proto3, only explicit setting it to
+  // false will avoid using packed encoding.
+  optional bool packed = 2;
+
+  // The jstype option determines the JavaScript type used for values of the
+  // field.  The option is permitted only for 64 bit integral and fixed types
+  // (int64, uint64, sint64, fixed64, sfixed64).  A field with jstype JS_STRING
+  // is represented as JavaScript string, which avoids loss of precision that
+  // can happen when a large value is converted to a floating point JavaScript.
+  // Specifying JS_NUMBER for the jstype causes the generated JavaScript code to
+  // use the JavaScript "number" type.  The behavior of the default option
+  // JS_NORMAL is implementation dependent.
+  //
+  // This option is an enum to permit additional types to be added, e.g.
+  // goog.math.Integer.
+  optional JSType jstype = 6 [default = JS_NORMAL];
+  enum JSType {
+    // Use the default type.
+    JS_NORMAL = 0;
+
+    // Use JavaScript strings.
+    JS_STRING = 1;
+
+    // Use JavaScript numbers.
+    JS_NUMBER = 2;
+  }
+
+  // Should this field be parsed lazily?  Lazy applies only to message-type
+  // fields.  It means that when the outer message is initially parsed, the
+  // inner message's contents will not be parsed but instead stored in encoded
+  // form.  The inner message will actually be parsed when it is first accessed.
+  //
+  // This is only a hint.  Implementations are free to choose whether to use
+  // eager or lazy parsing regardless of the value of this option.  However,
+  // setting this option true suggests that the protocol author believes that
+  // using lazy parsing on this field is worth the additional bookkeeping
+  // overhead typically needed to implement it.
+  //
+  // This option does not affect the public interface of any generated code;
+  // all method signatures remain the same.  Furthermore, thread-safety of the
+  // interface is not affected by this option; const methods remain safe to
+  // call from multiple threads concurrently, while non-const methods continue
+  // to require exclusive access.
+  //
+  //
+  // Note that implementations may choose not to check required fields within
+  // a lazy sub-message.  That is, calling IsInitialized() on the outer message
+  // may return true even if the inner message has missing required fields.
+  // This is necessary because otherwise the inner message would have to be
+  // parsed in order to perform the check, defeating the purpose of lazy
+  // parsing.  An implementation which chooses not to check required fields
+  // must be consistent about it.  That is, for any particular sub-message, the
+  // implementation must either *always* check its required fields, or *never*
+  // check its required fields, regardless of whether or not the message has
+  // been parsed.
+  optional bool lazy = 5 [default = false];
+
+  // Is this field deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for accessors, or it will be completely ignored; in the very least, this
+  // is a formalization for deprecating fields.
+  optional bool deprecated = 3 [default = false];
+
+  // For Google-internal migration only. Do not use.
+  optional bool weak = 10 [default = false];
+
+
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+
+  reserved 4;  // removed jtype
+}
+
+message OneofOptions {
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+message EnumOptions {
+
+  // Set this option to true to allow mapping different tag names to the same
+  // value.
+  optional bool allow_alias = 2;
+
+  // Is this enum deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the enum, or it will be completely ignored; in the very least, this
+  // is a formalization for deprecating enums.
+  optional bool deprecated = 3 [default = false];
+
+  reserved 5;  // javanano_as_lite
+
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+message EnumValueOptions {
+  // Is this enum value deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the enum value, or it will be completely ignored; in the very least,
+  // this is a formalization for deprecating enum values.
+  optional bool deprecated = 1 [default = false];
+
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+message ServiceOptions {
+
+  // Note:  Field numbers 1 through 32 are reserved for Google's internal RPC
+  //   framework.  We apologize for hoarding these numbers to ourselves, but
+  //   we were already using them long before we decided to release Protocol
+  //   Buffers.
+
+  // Is this service deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the service, or it will be completely ignored; in the very least,
+  // this is a formalization for deprecating services.
+  optional bool deprecated = 33 [default = false];
+
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+message MethodOptions {
+
+  // Note:  Field numbers 1 through 32 are reserved for Google's internal RPC
+  //   framework.  We apologize for hoarding these numbers to ourselves, but
+  //   we were already using them long before we decided to release Protocol
+  //   Buffers.
+
+  // Is this method deprecated?
+  // Depending on the target platform, this can emit Deprecated annotations
+  // for the method, or it will be completely ignored; in the very least,
+  // this is a formalization for deprecating methods.
+  optional bool deprecated = 33 [default = false];
+
+  // Is this method side-effect-free (or safe in HTTP parlance), or idempotent,
+  // or neither? HTTP based RPC implementation may choose GET verb for safe
+  // methods, and PUT verb for idempotent methods instead of the default POST.
+  enum IdempotencyLevel {
+    IDEMPOTENCY_UNKNOWN = 0;
+    NO_SIDE_EFFECTS = 1;  // implies idempotent
+    IDEMPOTENT = 2;       // idempotent, but may have side effects
+  }
+  optional IdempotencyLevel idempotency_level = 34
+      [default = IDEMPOTENCY_UNKNOWN];
+
+  // The parser stores options it doesn't recognize here. See above.
+  repeated UninterpretedOption uninterpreted_option = 999;
+
+  // Clients can define custom options in extensions of this message. See above.
+  extensions 1000 to max;
+}
+
+
+// A message representing a option the parser does not recognize. This only
+// appears in options protos created by the compiler::Parser class.
+// DescriptorPool resolves these when building Descriptor objects. Therefore,
+// options protos in descriptor objects (e.g. returned by Descriptor::options(),
+// or produced by Descriptor::CopyTo()) will never have UninterpretedOptions
+// in them.
+message UninterpretedOption {
+  // The name of the uninterpreted option.  Each string represents a segment in
+  // a dot-separated name.  is_extension is true iff a segment represents an
+  // extension (denoted with parentheses in options specs in .proto files).
+  // E.g.,{ ["foo", false], ["bar.baz", true], ["qux", false] } represents
+  // "foo.(bar.baz).qux".
+  message NamePart {
+    required string name_part = 1;
+    required bool is_extension = 2;
+  }
+  repeated NamePart name = 2;
+
+  // The value of the uninterpreted option, in whatever type the tokenizer
+  // identified it as during parsing. Exactly one of these should be set.
+  optional string identifier_value = 3;
+  optional uint64 positive_int_value = 4;
+  optional int64 negative_int_value = 5;
+  optional double double_value = 6;
+  optional bytes string_value = 7;
+  optional string aggregate_value = 8;
+}
+
+// ===================================================================
+// Optional source code info
+
+// Encapsulates information about the original source file from which a
+// FileDescriptorProto was generated.
+message SourceCodeInfo {
+  // A Location identifies a piece of source code in a .proto file which
+  // corresponds to a particular definition.  This information is intended
+  // to be useful to IDEs, code indexers, documentation generators, and similar
+  // tools.
+  //
+  // For example, say we have a file like:
+  //   message Foo {
+  //     optional string foo = 1;
+  //   }
+  // Let's look at just the field definition:
+  //   optional string foo = 1;
+  //   ^       ^^     ^^  ^  ^^^
+  //   a       bc     de  f  ghi
+  // We have the following locations:
+  //   span   path               represents
+  //   [a,i)  [ 4, 0, 2, 0 ]     The whole field definition.
+  //   [a,b)  [ 4, 0, 2, 0, 4 ]  The label (optional).
+  //   [c,d)  [ 4, 0, 2, 0, 5 ]  The type (string).
+  //   [e,f)  [ 4, 0, 2, 0, 1 ]  The name (foo).
+  //   [g,h)  [ 4, 0, 2, 0, 3 ]  The number (1).
+  //
+  // Notes:
+  // - A location may refer to a repeated field itself (i.e. not to any
+  //   particular index within it).  This is used whenever a set of elements are
+  //   logically enclosed in a single code segment.  For example, an entire
+  //   extend block (possibly containing multiple extension definitions) will
+  //   have an outer location whose path refers to the "extensions" repeated
+  //   field without an index.
+  // - Multiple locations may have the same path.  This happens when a single
+  //   logical declaration is spread out across multiple places.  The most
+  //   obvious example is the "extend" block again -- there may be multiple
+  //   extend blocks in the same scope, each of which will have the same path.
+  // - A location's span is not always a subset of its parent's span.  For
+  //   example, the "extendee" of an extension declaration appears at the
+  //   beginning of the "extend" block and is shared by all extensions within
+  //   the block.
+  // - Just because a location's span is a subset of some other location's span
+  //   does not mean that it is a descendant.  For example, a "group" defines
+  //   both a type and a field in a single declaration.  Thus, the locations
+  //   corresponding to the type and field and their components will overlap.
+  // - Code which tries to interpret locations should probably be designed to
+  //   ignore those that it doesn't understand, as more types of locations could
+  //   be recorded in the future.
+  repeated Location location = 1;
+  message Location {
+    // Identifies which part of the FileDescriptorProto was defined at this
+    // location.
+    //
+    // Each element is a field number or an index.  They form a path from
+    // the root FileDescriptorProto to the place where the definition.  For
+    // example, this path:
+    //   [ 4, 3, 2, 7, 1 ]
+    // refers to:
+    //   file.message_type(3)  // 4, 3
+    //       .field(7)         // 2, 7
+    //       .name()           // 1
+    // This is because FileDescriptorProto.message_type has field number 4:
+    //   repeated DescriptorProto message_type = 4;
+    // and DescriptorProto.field has field number 2:
+    //   repeated FieldDescriptorProto field = 2;
+    // and FieldDescriptorProto.name has field number 1:
+    //   optional string name = 1;
+    //
+    // Thus, the above path gives the location of a field name.  If we removed
+    // the last element:
+    //   [ 4, 3, 2, 7 ]
+    // this path refers to the whole field declaration (from the beginning
+    // of the label to the terminating semicolon).
+    repeated int32 path = 1 [packed = true];
+
+    // Always has exactly three or four elements: start line, start column,
+    // end line (optional, otherwise assumed same as start line), end column.
+    // These are packed into a single field for efficiency.  Note that line
+    // and column numbers are zero-based -- typically you will want to add
+    // 1 to each before displaying to a user.
+    repeated int32 span = 2 [packed = true];
+
+    // If this SourceCodeInfo represents a complete declaration, these are any
+    // comments appearing before and after the declaration which appear to be
+    // attached to the declaration.
+    //
+    // A series of line comments appearing on consecutive lines, with no other
+    // tokens appearing on those lines, will be treated as a single comment.
+    //
+    // leading_detached_comments will keep paragraphs of comments that appear
+    // before (but not connected to) the current element. Each paragraph,
+    // separated by empty lines, will be one comment element in the repeated
+    // field.
+    //
+    // Only the comment content is provided; comment markers (e.g. //) are
+    // stripped out.  For block comments, leading whitespace and an asterisk
+    // will be stripped from the beginning of each line other than the first.
+    // Newlines are included in the output.
+    //
+    // Examples:
+    //
+    //   optional int32 foo = 1;  // Comment attached to foo.
+    //   // Comment attached to bar.
+    //   optional int32 bar = 2;
+    //
+    //   optional string baz = 3;
+    //   // Comment attached to baz.
+    //   // Another line attached to baz.
+    //
+    //   // Comment attached to qux.
+    //   //
+    //   // Another line attached to qux.
+    //   optional double qux = 4;
+    //
+    //   // Detached comment for corge. This is not leading or trailing comments
+    //   // to qux or corge because there are blank lines separating it from
+    //   // both.
+    //
+    //   // Detached comment for corge paragraph 2.
+    //
+    //   optional string corge = 5;
+    //   /* Block comment attached
+    //    * to corge.  Leading asterisks
+    //    * will be removed. */
+    //   /* Block comment attached to
+    //    * grault. */
+    //   optional int32 grault = 6;
+    //
+    //   // ignored detached comments.
+    optional string leading_comments = 3;
+    optional string trailing_comments = 4;
+    repeated string leading_detached_comments = 6;
+  }
+}
+
+// Describes the relationship between generated code and its original source
+// file. A GeneratedCodeInfo message is associated with only one generated
+// source file, but may contain references to different source .proto files.
+message GeneratedCodeInfo {
+  // An Annotation connects some span of text in generated code to an element
+  // of its generating .proto file.
+  repeated Annotation annotation = 1;
+  message Annotation {
+    // Identifies the element in the original source .proto file. This field
+    // is formatted the same as SourceCodeInfo.Location.path.
+    repeated int32 path = 1 [packed = true];
+
+    // Identifies the filesystem path to the original source .proto.
+    optional string source_file = 2;
+
+    // Identifies the starting offset in bytes in the generated code
+    // that relates to the identified object.
+    optional int32 begin = 3;
+
+    // Identifies the ending offset in bytes in the generated code that
+    // relates to the identified offset. The end offset should be one past
+    // the last relevant byte (so the length of the text = end - begin).
+    optional int32 end = 4;
+  }
+}
diff --git a/build/extracted-include-protos/test/google/protobuf/duration.proto b/build/extracted-include-protos/test/google/protobuf/duration.proto
new file mode 100644
index 0000000000000000000000000000000000000000..99cb102c353fa02e87e7945cac72159464c4193b
--- /dev/null
+++ b/build/extracted-include-protos/test/google/protobuf/duration.proto
@@ -0,0 +1,116 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option cc_enable_arenas = true;
+option go_package = "github.com/golang/protobuf/ptypes/duration";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "DurationProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+
+// A Duration represents a signed, fixed-length span of time represented
+// as a count of seconds and fractions of seconds at nanosecond
+// resolution. It is independent of any calendar and concepts like "day"
+// or "month". It is related to Timestamp in that the difference between
+// two Timestamp values is a Duration and it can be added or subtracted
+// from a Timestamp. Range is approximately +-10,000 years.
+//
+// # Examples
+//
+// Example 1: Compute Duration from two Timestamps in pseudo code.
+//
+//     Timestamp start = ...;
+//     Timestamp end = ...;
+//     Duration duration = ...;
+//
+//     duration.seconds = end.seconds - start.seconds;
+//     duration.nanos = end.nanos - start.nanos;
+//
+//     if (duration.seconds < 0 && duration.nanos > 0) {
+//       duration.seconds += 1;
+//       duration.nanos -= 1000000000;
+//     } else if (duration.seconds > 0 && duration.nanos < 0) {
+//       duration.seconds -= 1;
+//       duration.nanos += 1000000000;
+//     }
+//
+// Example 2: Compute Timestamp from Timestamp + Duration in pseudo code.
+//
+//     Timestamp start = ...;
+//     Duration duration = ...;
+//     Timestamp end = ...;
+//
+//     end.seconds = start.seconds + duration.seconds;
+//     end.nanos = start.nanos + duration.nanos;
+//
+//     if (end.nanos < 0) {
+//       end.seconds -= 1;
+//       end.nanos += 1000000000;
+//     } else if (end.nanos >= 1000000000) {
+//       end.seconds += 1;
+//       end.nanos -= 1000000000;
+//     }
+//
+// Example 3: Compute Duration from datetime.timedelta in Python.
+//
+//     td = datetime.timedelta(days=3, minutes=10)
+//     duration = Duration()
+//     duration.FromTimedelta(td)
+//
+// # JSON Mapping
+//
+// In JSON format, the Duration type is encoded as a string rather than an
+// object, where the string ends in the suffix "s" (indicating seconds) and
+// is preceded by the number of seconds, with nanoseconds expressed as
+// fractional seconds. For example, 3 seconds with 0 nanoseconds should be
+// encoded in JSON format as "3s", while 3 seconds and 1 nanosecond should
+// be expressed in JSON format as "3.000000001s", and 3 seconds and 1
+// microsecond should be expressed in JSON format as "3.000001s".
+//
+//
+message Duration {
+  // Signed seconds of the span of time. Must be from -315,576,000,000
+  // to +315,576,000,000 inclusive. Note: these bounds are computed from:
+  // 60 sec/min * 60 min/hr * 24 hr/day * 365.25 days/year * 10000 years
+  int64 seconds = 1;
+
+  // Signed fractions of a second at nanosecond resolution of the span
+  // of time. Durations less than one second are represented with a 0
+  // `seconds` field and a positive or negative `nanos` field. For durations
+  // of one second or more, a non-zero value for the `nanos` field must be
+  // of the same sign as the `seconds` field. Must be from -999,999,999
+  // to +999,999,999 inclusive.
+  int32 nanos = 2;
+}
diff --git a/build/extracted-include-protos/test/google/protobuf/empty.proto b/build/extracted-include-protos/test/google/protobuf/empty.proto
new file mode 100644
index 0000000000000000000000000000000000000000..03cacd233088d07d8c5d167c021efb5525cb4cb9
--- /dev/null
+++ b/build/extracted-include-protos/test/google/protobuf/empty.proto
@@ -0,0 +1,52 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option go_package = "github.com/golang/protobuf/ptypes/empty";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "EmptyProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+option cc_enable_arenas = true;
+
+// A generic empty message that you can re-use to avoid defining duplicated
+// empty messages in your APIs. A typical example is to use it as the request
+// or the response type of an API method. For instance:
+//
+//     service Foo {
+//       rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
+//     }
+//
+// The JSON representation for `Empty` is empty JSON object `{}`.
+message Empty {}
diff --git a/build/extracted-include-protos/test/google/protobuf/field_mask.proto b/build/extracted-include-protos/test/google/protobuf/field_mask.proto
new file mode 100644
index 0000000000000000000000000000000000000000..4015b1a3eaf077430f6b435c7cec63f93b7b246b
--- /dev/null
+++ b/build/extracted-include-protos/test/google/protobuf/field_mask.proto
@@ -0,0 +1,245 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "FieldMaskProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+option go_package = "google.golang.org/genproto/protobuf/field_mask;field_mask";
+option cc_enable_arenas = true;
+
+// `FieldMask` represents a set of symbolic field paths, for example:
+//
+//     paths: "f.a"
+//     paths: "f.b.d"
+//
+// Here `f` represents a field in some root message, `a` and `b`
+// fields in the message found in `f`, and `d` a field found in the
+// message in `f.b`.
+//
+// Field masks are used to specify a subset of fields that should be
+// returned by a get operation or modified by an update operation.
+// Field masks also have a custom JSON encoding (see below).
+//
+// # Field Masks in Projections
+//
+// When used in the context of a projection, a response message or
+// sub-message is filtered by the API to only contain those fields as
+// specified in the mask. For example, if the mask in the previous
+// example is applied to a response message as follows:
+//
+//     f {
+//       a : 22
+//       b {
+//         d : 1
+//         x : 2
+//       }
+//       y : 13
+//     }
+//     z: 8
+//
+// The result will not contain specific values for fields x,y and z
+// (their value will be set to the default, and omitted in proto text
+// output):
+//
+//
+//     f {
+//       a : 22
+//       b {
+//         d : 1
+//       }
+//     }
+//
+// A repeated field is not allowed except at the last position of a
+// paths string.
+//
+// If a FieldMask object is not present in a get operation, the
+// operation applies to all fields (as if a FieldMask of all fields
+// had been specified).
+//
+// Note that a field mask does not necessarily apply to the
+// top-level response message. In case of a REST get operation, the
+// field mask applies directly to the response, but in case of a REST
+// list operation, the mask instead applies to each individual message
+// in the returned resource list. In case of a REST custom method,
+// other definitions may be used. Where the mask applies will be
+// clearly documented together with its declaration in the API.  In
+// any case, the effect on the returned resource/resources is required
+// behavior for APIs.
+//
+// # Field Masks in Update Operations
+//
+// A field mask in update operations specifies which fields of the
+// targeted resource are going to be updated. The API is required
+// to only change the values of the fields as specified in the mask
+// and leave the others untouched. If a resource is passed in to
+// describe the updated values, the API ignores the values of all
+// fields not covered by the mask.
+//
+// If a repeated field is specified for an update operation, new values will
+// be appended to the existing repeated field in the target resource. Note that
+// a repeated field is only allowed in the last position of a `paths` string.
+//
+// If a sub-message is specified in the last position of the field mask for an
+// update operation, then new value will be merged into the existing sub-message
+// in the target resource.
+//
+// For example, given the target message:
+//
+//     f {
+//       b {
+//         d: 1
+//         x: 2
+//       }
+//       c: [1]
+//     }
+//
+// And an update message:
+//
+//     f {
+//       b {
+//         d: 10
+//       }
+//       c: [2]
+//     }
+//
+// then if the field mask is:
+//
+//  paths: ["f.b", "f.c"]
+//
+// then the result will be:
+//
+//     f {
+//       b {
+//         d: 10
+//         x: 2
+//       }
+//       c: [1, 2]
+//     }
+//
+// An implementation may provide options to override this default behavior for
+// repeated and message fields.
+//
+// In order to reset a field's value to the default, the field must
+// be in the mask and set to the default value in the provided resource.
+// Hence, in order to reset all fields of a resource, provide a default
+// instance of the resource and set all fields in the mask, or do
+// not provide a mask as described below.
+//
+// If a field mask is not present on update, the operation applies to
+// all fields (as if a field mask of all fields has been specified).
+// Note that in the presence of schema evolution, this may mean that
+// fields the client does not know and has therefore not filled into
+// the request will be reset to their default. If this is unwanted
+// behavior, a specific service may require a client to always specify
+// a field mask, producing an error if not.
+//
+// As with get operations, the location of the resource which
+// describes the updated values in the request message depends on the
+// operation kind. In any case, the effect of the field mask is
+// required to be honored by the API.
+//
+// ## Considerations for HTTP REST
+//
+// The HTTP kind of an update operation which uses a field mask must
+// be set to PATCH instead of PUT in order to satisfy HTTP semantics
+// (PUT must only be used for full updates).
+//
+// # JSON Encoding of Field Masks
+//
+// In JSON, a field mask is encoded as a single string where paths are
+// separated by a comma. Fields name in each path are converted
+// to/from lower-camel naming conventions.
+//
+// As an example, consider the following message declarations:
+//
+//     message Profile {
+//       User user = 1;
+//       Photo photo = 2;
+//     }
+//     message User {
+//       string display_name = 1;
+//       string address = 2;
+//     }
+//
+// In proto a field mask for `Profile` may look as such:
+//
+//     mask {
+//       paths: "user.display_name"
+//       paths: "photo"
+//     }
+//
+// In JSON, the same mask is represented as below:
+//
+//     {
+//       mask: "user.displayName,photo"
+//     }
+//
+// # Field Masks and Oneof Fields
+//
+// Field masks treat fields in oneofs just as regular fields. Consider the
+// following message:
+//
+//     message SampleMessage {
+//       oneof test_oneof {
+//         string name = 4;
+//         SubMessage sub_message = 9;
+//       }
+//     }
+//
+// The field mask can be:
+//
+//     mask {
+//       paths: "name"
+//     }
+//
+// Or:
+//
+//     mask {
+//       paths: "sub_message"
+//     }
+//
+// Note that oneof type names ("test_oneof" in this case) cannot be used in
+// paths.
+//
+// ## Field Mask Verification
+//
+// The implementation of any API method which has a FieldMask type field in the
+// request should verify the included field paths, and return an
+// `INVALID_ARGUMENT` error if any path is duplicated or unmappable.
+message FieldMask {
+  // The set of field mask paths.
+  repeated string paths = 1;
+}
diff --git a/build/extracted-include-protos/test/google/protobuf/source_context.proto b/build/extracted-include-protos/test/google/protobuf/source_context.proto
new file mode 100644
index 0000000000000000000000000000000000000000..f3b2c966811f399fa95fcbf1b2a66911e10ea63a
--- /dev/null
+++ b/build/extracted-include-protos/test/google/protobuf/source_context.proto
@@ -0,0 +1,48 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "SourceContextProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+option go_package = "google.golang.org/genproto/protobuf/source_context;source_context";
+
+// `SourceContext` represents information about the source of a
+// protobuf element, like the file in which it is defined.
+message SourceContext {
+  // The path-qualified name of the .proto file that contained the associated
+  // protobuf element.  For example: `"google/protobuf/source_context.proto"`.
+  string file_name = 1;
+}
diff --git a/build/extracted-include-protos/test/google/protobuf/struct.proto b/build/extracted-include-protos/test/google/protobuf/struct.proto
new file mode 100644
index 0000000000000000000000000000000000000000..ed990e31d9590ef824a9300d8b79bb6f6909801f
--- /dev/null
+++ b/build/extracted-include-protos/test/google/protobuf/struct.proto
@@ -0,0 +1,95 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option cc_enable_arenas = true;
+option go_package = "github.com/golang/protobuf/ptypes/struct;structpb";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "StructProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+
+// `Struct` represents a structured data value, consisting of fields
+// which map to dynamically typed values. In some languages, `Struct`
+// might be supported by a native representation. For example, in
+// scripting languages like JS a struct is represented as an
+// object. The details of that representation are described together
+// with the proto support for the language.
+//
+// The JSON representation for `Struct` is JSON object.
+message Struct {
+  // Unordered map of dynamically typed values.
+  map<string, Value> fields = 1;
+}
+
+// `Value` represents a dynamically typed value which can be either
+// null, a number, a string, a boolean, a recursive struct value, or a
+// list of values. A producer of value is expected to set one of that
+// variants, absence of any variant indicates an error.
+//
+// The JSON representation for `Value` is JSON value.
+message Value {
+  // The kind of value.
+  oneof kind {
+    // Represents a null value.
+    NullValue null_value = 1;
+    // Represents a double value.
+    double number_value = 2;
+    // Represents a string value.
+    string string_value = 3;
+    // Represents a boolean value.
+    bool bool_value = 4;
+    // Represents a structured value.
+    Struct struct_value = 5;
+    // Represents a repeated `Value`.
+    ListValue list_value = 6;
+  }
+}
+
+// `NullValue` is a singleton enumeration to represent the null value for the
+// `Value` type union.
+//
+//  The JSON representation for `NullValue` is JSON `null`.
+enum NullValue {
+  // Null value.
+  NULL_VALUE = 0;
+}
+
+// `ListValue` is a wrapper around a repeated field of values.
+//
+// The JSON representation for `ListValue` is JSON array.
+message ListValue {
+  // Repeated field of dynamically typed values.
+  repeated Value values = 1;
+}
diff --git a/build/extracted-include-protos/test/google/protobuf/timestamp.proto b/build/extracted-include-protos/test/google/protobuf/timestamp.proto
new file mode 100644
index 0000000000000000000000000000000000000000..cd357864a9e47d775604ef2566eb8a4aac7436ba
--- /dev/null
+++ b/build/extracted-include-protos/test/google/protobuf/timestamp.proto
@@ -0,0 +1,138 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option cc_enable_arenas = true;
+option go_package = "github.com/golang/protobuf/ptypes/timestamp";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "TimestampProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+
+// A Timestamp represents a point in time independent of any time zone or local
+// calendar, encoded as a count of seconds and fractions of seconds at
+// nanosecond resolution. The count is relative to an epoch at UTC midnight on
+// January 1, 1970, in the proleptic Gregorian calendar which extends the
+// Gregorian calendar backwards to year one.
+//
+// All minutes are 60 seconds long. Leap seconds are "smeared" so that no leap
+// second table is needed for interpretation, using a [24-hour linear
+// smear](https://developers.google.com/time/smear).
+//
+// The range is from 0001-01-01T00:00:00Z to 9999-12-31T23:59:59.999999999Z. By
+// restricting to that range, we ensure that we can convert to and from [RFC
+// 3339](https://www.ietf.org/rfc/rfc3339.txt) date strings.
+//
+// # Examples
+//
+// Example 1: Compute Timestamp from POSIX `time()`.
+//
+//     Timestamp timestamp;
+//     timestamp.set_seconds(time(NULL));
+//     timestamp.set_nanos(0);
+//
+// Example 2: Compute Timestamp from POSIX `gettimeofday()`.
+//
+//     struct timeval tv;
+//     gettimeofday(&tv, NULL);
+//
+//     Timestamp timestamp;
+//     timestamp.set_seconds(tv.tv_sec);
+//     timestamp.set_nanos(tv.tv_usec * 1000);
+//
+// Example 3: Compute Timestamp from Win32 `GetSystemTimeAsFileTime()`.
+//
+//     FILETIME ft;
+//     GetSystemTimeAsFileTime(&ft);
+//     UINT64 ticks = (((UINT64)ft.dwHighDateTime) << 32) | ft.dwLowDateTime;
+//
+//     // A Windows tick is 100 nanoseconds. Windows epoch 1601-01-01T00:00:00Z
+//     // is 11644473600 seconds before Unix epoch 1970-01-01T00:00:00Z.
+//     Timestamp timestamp;
+//     timestamp.set_seconds((INT64) ((ticks / 10000000) - 11644473600LL));
+//     timestamp.set_nanos((INT32) ((ticks % 10000000) * 100));
+//
+// Example 4: Compute Timestamp from Java `System.currentTimeMillis()`.
+//
+//     long millis = System.currentTimeMillis();
+//
+//     Timestamp timestamp = Timestamp.newBuilder().setSeconds(millis / 1000)
+//         .setNanos((int) ((millis % 1000) * 1000000)).build();
+//
+//
+// Example 5: Compute Timestamp from current time in Python.
+//
+//     timestamp = Timestamp()
+//     timestamp.GetCurrentTime()
+//
+// # JSON Mapping
+//
+// In JSON format, the Timestamp type is encoded as a string in the
+// [RFC 3339](https://www.ietf.org/rfc/rfc3339.txt) format. That is, the
+// format is "{year}-{month}-{day}T{hour}:{min}:{sec}[.{frac_sec}]Z"
+// where {year} is always expressed using four digits while {month}, {day},
+// {hour}, {min}, and {sec} are zero-padded to two digits each. The fractional
+// seconds, which can go up to 9 digits (i.e. up to 1 nanosecond resolution),
+// are optional. The "Z" suffix indicates the timezone ("UTC"); the timezone
+// is required. A proto3 JSON serializer should always use UTC (as indicated by
+// "Z") when printing the Timestamp type and a proto3 JSON parser should be
+// able to accept both UTC and other timezones (as indicated by an offset).
+//
+// For example, "2017-01-15T01:30:15.01Z" encodes 15.01 seconds past
+// 01:30 UTC on January 15, 2017.
+//
+// In JavaScript, one can convert a Date object to this format using the
+// standard
+// [toISOString()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString)
+// method. In Python, a standard `datetime.datetime` object can be converted
+// to this format using
+// [`strftime`](https://docs.python.org/2/library/time.html#time.strftime) with
+// the time format spec '%Y-%m-%dT%H:%M:%S.%fZ'. Likewise, in Java, one can use
+// the Joda Time's [`ISODateTimeFormat.dateTime()`](
+// http://www.joda.org/joda-time/apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime%2D%2D
+// ) to obtain a formatter capable of generating timestamps in this format.
+//
+//
+message Timestamp {
+  // Represents seconds of UTC time since Unix epoch
+  // 1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
+  // 9999-12-31T23:59:59Z inclusive.
+  int64 seconds = 1;
+
+  // Non-negative fractions of a second at nanosecond resolution. Negative
+  // second values with fractions must still have non-negative nanos values
+  // that count forward in time. Must be from 0 to 999,999,999
+  // inclusive.
+  int32 nanos = 2;
+}
diff --git a/build/extracted-include-protos/test/google/protobuf/type.proto b/build/extracted-include-protos/test/google/protobuf/type.proto
new file mode 100644
index 0000000000000000000000000000000000000000..e4b1d3a4abffe52647e937d3068ed5f9681298e6
--- /dev/null
+++ b/build/extracted-include-protos/test/google/protobuf/type.proto
@@ -0,0 +1,187 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+import "google/protobuf/any.proto";
+import "google/protobuf/source_context.proto";
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option cc_enable_arenas = true;
+option java_package = "com.google.protobuf";
+option java_outer_classname = "TypeProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+option go_package = "google.golang.org/genproto/protobuf/ptype;ptype";
+
+// A protocol buffer message type.
+message Type {
+  // The fully qualified message name.
+  string name = 1;
+  // The list of fields.
+  repeated Field fields = 2;
+  // The list of types appearing in `oneof` definitions in this type.
+  repeated string oneofs = 3;
+  // The protocol buffer options.
+  repeated Option options = 4;
+  // The source context.
+  SourceContext source_context = 5;
+  // The source syntax.
+  Syntax syntax = 6;
+}
+
+// A single field of a message type.
+message Field {
+  // Basic field types.
+  enum Kind {
+    // Field type unknown.
+    TYPE_UNKNOWN = 0;
+    // Field type double.
+    TYPE_DOUBLE = 1;
+    // Field type float.
+    TYPE_FLOAT = 2;
+    // Field type int64.
+    TYPE_INT64 = 3;
+    // Field type uint64.
+    TYPE_UINT64 = 4;
+    // Field type int32.
+    TYPE_INT32 = 5;
+    // Field type fixed64.
+    TYPE_FIXED64 = 6;
+    // Field type fixed32.
+    TYPE_FIXED32 = 7;
+    // Field type bool.
+    TYPE_BOOL = 8;
+    // Field type string.
+    TYPE_STRING = 9;
+    // Field type group. Proto2 syntax only, and deprecated.
+    TYPE_GROUP = 10;
+    // Field type message.
+    TYPE_MESSAGE = 11;
+    // Field type bytes.
+    TYPE_BYTES = 12;
+    // Field type uint32.
+    TYPE_UINT32 = 13;
+    // Field type enum.
+    TYPE_ENUM = 14;
+    // Field type sfixed32.
+    TYPE_SFIXED32 = 15;
+    // Field type sfixed64.
+    TYPE_SFIXED64 = 16;
+    // Field type sint32.
+    TYPE_SINT32 = 17;
+    // Field type sint64.
+    TYPE_SINT64 = 18;
+  }
+
+  // Whether a field is optional, required, or repeated.
+  enum Cardinality {
+    // For fields with unknown cardinality.
+    CARDINALITY_UNKNOWN = 0;
+    // For optional fields.
+    CARDINALITY_OPTIONAL = 1;
+    // For required fields. Proto2 syntax only.
+    CARDINALITY_REQUIRED = 2;
+    // For repeated fields.
+    CARDINALITY_REPEATED = 3;
+  };
+
+  // The field type.
+  Kind kind = 1;
+  // The field cardinality.
+  Cardinality cardinality = 2;
+  // The field number.
+  int32 number = 3;
+  // The field name.
+  string name = 4;
+  // The field type URL, without the scheme, for message or enumeration
+  // types. Example: `"type.googleapis.com/google.protobuf.Timestamp"`.
+  string type_url = 6;
+  // The index of the field type in `Type.oneofs`, for message or enumeration
+  // types. The first type has index 1; zero means the type is not in the list.
+  int32 oneof_index = 7;
+  // Whether to use alternative packed wire representation.
+  bool packed = 8;
+  // The protocol buffer options.
+  repeated Option options = 9;
+  // The field JSON name.
+  string json_name = 10;
+  // The string value of the default value of this field. Proto2 syntax only.
+  string default_value = 11;
+}
+
+// Enum type definition.
+message Enum {
+  // Enum type name.
+  string name = 1;
+  // Enum value definitions.
+  repeated EnumValue enumvalue = 2;
+  // Protocol buffer options.
+  repeated Option options = 3;
+  // The source context.
+  SourceContext source_context = 4;
+  // The source syntax.
+  Syntax syntax = 5;
+}
+
+// Enum value definition.
+message EnumValue {
+  // Enum value name.
+  string name = 1;
+  // Enum value number.
+  int32 number = 2;
+  // Protocol buffer options.
+  repeated Option options = 3;
+}
+
+// A protocol buffer option, which can be attached to a message, field,
+// enumeration, etc.
+message Option {
+  // The option's name. For protobuf built-in options (options defined in
+  // descriptor.proto), this is the short name. For example, `"map_entry"`.
+  // For custom options, it should be the fully-qualified name. For example,
+  // `"google.api.http"`.
+  string name = 1;
+  // The option's value packed in an Any message. If the value is a primitive,
+  // the corresponding wrapper type defined in google/protobuf/wrappers.proto
+  // should be used. If the value is an enum, it should be stored as an int32
+  // value using the google.protobuf.Int32Value type.
+  Any value = 2;
+}
+
+// The syntax in which a protocol buffer element is defined.
+enum Syntax {
+  // Syntax `proto2`.
+  SYNTAX_PROTO2 = 0;
+  // Syntax `proto3`.
+  SYNTAX_PROTO3 = 1;
+}
diff --git a/build/extracted-include-protos/test/google/protobuf/wrappers.proto b/build/extracted-include-protos/test/google/protobuf/wrappers.proto
new file mode 100644
index 0000000000000000000000000000000000000000..9ee41e384ac7dca4b41d5cbb1ab0ac163c6dec0a
--- /dev/null
+++ b/build/extracted-include-protos/test/google/protobuf/wrappers.proto
@@ -0,0 +1,123 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Wrappers for primitive (non-message) types. These types are useful
+// for embedding primitives in the `google.protobuf.Any` type and for places
+// where we need to distinguish between the absence of a primitive
+// typed field and its default value.
+//
+// These wrappers have no meaningful use within repeated fields as they lack
+// the ability to detect presence on individual elements.
+// These wrappers have no meaningful use within a map or a oneof since
+// individual entries of a map or fields of a oneof can already detect presence.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option cc_enable_arenas = true;
+option go_package = "github.com/golang/protobuf/ptypes/wrappers";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "WrappersProto";
+option java_multiple_files = true;
+option objc_class_prefix = "GPB";
+
+// Wrapper message for `double`.
+//
+// The JSON representation for `DoubleValue` is JSON number.
+message DoubleValue {
+  // The double value.
+  double value = 1;
+}
+
+// Wrapper message for `float`.
+//
+// The JSON representation for `FloatValue` is JSON number.
+message FloatValue {
+  // The float value.
+  float value = 1;
+}
+
+// Wrapper message for `int64`.
+//
+// The JSON representation for `Int64Value` is JSON string.
+message Int64Value {
+  // The int64 value.
+  int64 value = 1;
+}
+
+// Wrapper message for `uint64`.
+//
+// The JSON representation for `UInt64Value` is JSON string.
+message UInt64Value {
+  // The uint64 value.
+  uint64 value = 1;
+}
+
+// Wrapper message for `int32`.
+//
+// The JSON representation for `Int32Value` is JSON number.
+message Int32Value {
+  // The int32 value.
+  int32 value = 1;
+}
+
+// Wrapper message for `uint32`.
+//
+// The JSON representation for `UInt32Value` is JSON number.
+message UInt32Value {
+  // The uint32 value.
+  uint32 value = 1;
+}
+
+// Wrapper message for `bool`.
+//
+// The JSON representation for `BoolValue` is JSON `true` and `false`.
+message BoolValue {
+  // The bool value.
+  bool value = 1;
+}
+
+// Wrapper message for `string`.
+//
+// The JSON representation for `StringValue` is JSON string.
+message StringValue {
+  // The string value.
+  string value = 1;
+}
+
+// Wrapper message for `bytes`.
+//
+// The JSON representation for `BytesValue` is JSON string.
+message BytesValue {
+  // The bytes value.
+  bytes value = 1;
+}
diff --git a/build/extracted-include-protos/test/google/rpc/code.proto b/build/extracted-include-protos/test/google/rpc/code.proto
new file mode 100644
index 0000000000000000000000000000000000000000..8fef411705b3fa508c0faad6beeb419c0af631ba
--- /dev/null
+++ b/build/extracted-include-protos/test/google/rpc/code.proto
@@ -0,0 +1,186 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.rpc;
+
+option go_package = "google.golang.org/genproto/googleapis/rpc/code;code";
+option java_multiple_files = true;
+option java_outer_classname = "CodeProto";
+option java_package = "com.google.rpc";
+option objc_class_prefix = "RPC";
+
+
+// The canonical error codes for Google APIs.
+//
+//
+// Sometimes multiple error codes may apply.  Services should return
+// the most specific error code that applies.  For example, prefer
+// `OUT_OF_RANGE` over `FAILED_PRECONDITION` if both codes apply.
+// Similarly prefer `NOT_FOUND` or `ALREADY_EXISTS` over `FAILED_PRECONDITION`.
+enum Code {
+  // Not an error; returned on success
+  //
+  // HTTP Mapping: 200 OK
+  OK = 0;
+
+  // The operation was cancelled, typically by the caller.
+  //
+  // HTTP Mapping: 499 Client Closed Request
+  CANCELLED = 1;
+
+  // Unknown error.  For example, this error may be returned when
+  // a `Status` value received from another address space belongs to
+  // an error space that is not known in this address space.  Also
+  // errors raised by APIs that do not return enough error information
+  // may be converted to this error.
+  //
+  // HTTP Mapping: 500 Internal Server Error
+  UNKNOWN = 2;
+
+  // The client specified an invalid argument.  Note that this differs
+  // from `FAILED_PRECONDITION`.  `INVALID_ARGUMENT` indicates arguments
+  // that are problematic regardless of the state of the system
+  // (e.g., a malformed file name).
+  //
+  // HTTP Mapping: 400 Bad Request
+  INVALID_ARGUMENT = 3;
+
+  // The deadline expired before the operation could complete. For operations
+  // that change the state of the system, this error may be returned
+  // even if the operation has completed successfully.  For example, a
+  // successful response from a server could have been delayed long
+  // enough for the deadline to expire.
+  //
+  // HTTP Mapping: 504 Gateway Timeout
+  DEADLINE_EXCEEDED = 4;
+
+  // Some requested entity (e.g., file or directory) was not found.
+  //
+  // Note to server developers: if a request is denied for an entire class
+  // of users, such as gradual feature rollout or undocumented whitelist,
+  // `NOT_FOUND` may be used. If a request is denied for some users within
+  // a class of users, such as user-based access control, `PERMISSION_DENIED`
+  // must be used.
+  //
+  // HTTP Mapping: 404 Not Found
+  NOT_FOUND = 5;
+
+  // The entity that a client attempted to create (e.g., file or directory)
+  // already exists.
+  //
+  // HTTP Mapping: 409 Conflict
+  ALREADY_EXISTS = 6;
+
+  // The caller does not have permission to execute the specified
+  // operation. `PERMISSION_DENIED` must not be used for rejections
+  // caused by exhausting some resource (use `RESOURCE_EXHAUSTED`
+  // instead for those errors). `PERMISSION_DENIED` must not be
+  // used if the caller can not be identified (use `UNAUTHENTICATED`
+  // instead for those errors). This error code does not imply the
+  // request is valid or the requested entity exists or satisfies
+  // other pre-conditions.
+  //
+  // HTTP Mapping: 403 Forbidden
+  PERMISSION_DENIED = 7;
+
+  // The request does not have valid authentication credentials for the
+  // operation.
+  //
+  // HTTP Mapping: 401 Unauthorized
+  UNAUTHENTICATED = 16;
+
+  // Some resource has been exhausted, perhaps a per-user quota, or
+  // perhaps the entire file system is out of space.
+  //
+  // HTTP Mapping: 429 Too Many Requests
+  RESOURCE_EXHAUSTED = 8;
+
+  // The operation was rejected because the system is not in a state
+  // required for the operation's execution.  For example, the directory
+  // to be deleted is non-empty, an rmdir operation is applied to
+  // a non-directory, etc.
+  //
+  // Service implementors can use the following guidelines to decide
+  // between `FAILED_PRECONDITION`, `ABORTED`, and `UNAVAILABLE`:
+  //  (a) Use `UNAVAILABLE` if the client can retry just the failing call.
+  //  (b) Use `ABORTED` if the client should retry at a higher level
+  //      (e.g., when a client-specified test-and-set fails, indicating the
+  //      client should restart a read-modify-write sequence).
+  //  (c) Use `FAILED_PRECONDITION` if the client should not retry until
+  //      the system state has been explicitly fixed.  E.g., if an "rmdir"
+  //      fails because the directory is non-empty, `FAILED_PRECONDITION`
+  //      should be returned since the client should not retry unless
+  //      the files are deleted from the directory.
+  //
+  // HTTP Mapping: 400 Bad Request
+  FAILED_PRECONDITION = 9;
+
+  // The operation was aborted, typically due to a concurrency issue such as
+  // a sequencer check failure or transaction abort.
+  //
+  // See the guidelines above for deciding between `FAILED_PRECONDITION`,
+  // `ABORTED`, and `UNAVAILABLE`.
+  //
+  // HTTP Mapping: 409 Conflict
+  ABORTED = 10;
+
+  // The operation was attempted past the valid range.  E.g., seeking or
+  // reading past end-of-file.
+  //
+  // Unlike `INVALID_ARGUMENT`, this error indicates a problem that may
+  // be fixed if the system state changes. For example, a 32-bit file
+  // system will generate `INVALID_ARGUMENT` if asked to read at an
+  // offset that is not in the range [0,2^32-1], but it will generate
+  // `OUT_OF_RANGE` if asked to read from an offset past the current
+  // file size.
+  //
+  // There is a fair bit of overlap between `FAILED_PRECONDITION` and
+  // `OUT_OF_RANGE`.  We recommend using `OUT_OF_RANGE` (the more specific
+  // error) when it applies so that callers who are iterating through
+  // a space can easily look for an `OUT_OF_RANGE` error to detect when
+  // they are done.
+  //
+  // HTTP Mapping: 400 Bad Request
+  OUT_OF_RANGE = 11;
+
+  // The operation is not implemented or is not supported/enabled in this
+  // service.
+  //
+  // HTTP Mapping: 501 Not Implemented
+  UNIMPLEMENTED = 12;
+
+  // Internal errors.  This means that some invariants expected by the
+  // underlying system have been broken.  This error code is reserved
+  // for serious errors.
+  //
+  // HTTP Mapping: 500 Internal Server Error
+  INTERNAL = 13;
+
+  // The service is currently unavailable.  This is most likely a
+  // transient condition, which can be corrected by retrying with
+  // a backoff.
+  //
+  // See the guidelines above for deciding between `FAILED_PRECONDITION`,
+  // `ABORTED`, and `UNAVAILABLE`.
+  //
+  // HTTP Mapping: 503 Service Unavailable
+  UNAVAILABLE = 14;
+
+  // Unrecoverable data loss or corruption.
+  //
+  // HTTP Mapping: 500 Internal Server Error
+  DATA_LOSS = 15;
+}
diff --git a/build/extracted-include-protos/test/google/rpc/error_details.proto b/build/extracted-include-protos/test/google/rpc/error_details.proto
new file mode 100644
index 0000000000000000000000000000000000000000..f24ae00999b0c9b12c6b0d26bc1a1dfb6fff6cc2
--- /dev/null
+++ b/build/extracted-include-protos/test/google/rpc/error_details.proto
@@ -0,0 +1,200 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.rpc;
+
+import "google/protobuf/duration.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/rpc/errdetails;errdetails";
+option java_multiple_files = true;
+option java_outer_classname = "ErrorDetailsProto";
+option java_package = "com.google.rpc";
+option objc_class_prefix = "RPC";
+
+
+// Describes when the clients can retry a failed request. Clients could ignore
+// the recommendation here or retry when this information is missing from error
+// responses.
+//
+// It's always recommended that clients should use exponential backoff when
+// retrying.
+//
+// Clients should wait until `retry_delay` amount of time has passed since
+// receiving the error response before retrying.  If retrying requests also
+// fail, clients should use an exponential backoff scheme to gradually increase
+// the delay between retries based on `retry_delay`, until either a maximum
+// number of retires have been reached or a maximum retry delay cap has been
+// reached.
+message RetryInfo {
+  // Clients should wait at least this long between retrying the same request.
+  google.protobuf.Duration retry_delay = 1;
+}
+
+// Describes additional debugging info.
+message DebugInfo {
+  // The stack trace entries indicating where the error occurred.
+  repeated string stack_entries = 1;
+
+  // Additional debugging information provided by the server.
+  string detail = 2;
+}
+
+// Describes how a quota check failed.
+//
+// For example if a daily limit was exceeded for the calling project,
+// a service could respond with a QuotaFailure detail containing the project
+// id and the description of the quota limit that was exceeded.  If the
+// calling project hasn't enabled the service in the developer console, then
+// a service could respond with the project id and set `service_disabled`
+// to true.
+//
+// Also see RetryDetail and Help types for other details about handling a
+// quota failure.
+message QuotaFailure {
+  // A message type used to describe a single quota violation.  For example, a
+  // daily quota or a custom quota that was exceeded.
+  message Violation {
+    // The subject on which the quota check failed.
+    // For example, "clientip:<ip address of client>" or "project:<Google
+    // developer project id>".
+    string subject = 1;
+
+    // A description of how the quota check failed. Clients can use this
+    // description to find more about the quota configuration in the service's
+    // public documentation, or find the relevant quota limit to adjust through
+    // developer console.
+    //
+    // For example: "Service disabled" or "Daily Limit for read operations
+    // exceeded".
+    string description = 2;
+  }
+
+  // Describes all quota violations.
+  repeated Violation violations = 1;
+}
+
+// Describes what preconditions have failed.
+//
+// For example, if an RPC failed because it required the Terms of Service to be
+// acknowledged, it could list the terms of service violation in the
+// PreconditionFailure message.
+message PreconditionFailure {
+  // A message type used to describe a single precondition failure.
+  message Violation {
+    // The type of PreconditionFailure. We recommend using a service-specific
+    // enum type to define the supported precondition violation types. For
+    // example, "TOS" for "Terms of Service violation".
+    string type = 1;
+
+    // The subject, relative to the type, that failed.
+    // For example, "google.com/cloud" relative to the "TOS" type would
+    // indicate which terms of service is being referenced.
+    string subject = 2;
+
+    // A description of how the precondition failed. Developers can use this
+    // description to understand how to fix the failure.
+    //
+    // For example: "Terms of service not accepted".
+    string description = 3;
+  }
+
+  // Describes all precondition violations.
+  repeated Violation violations = 1;
+}
+
+// Describes violations in a client request. This error type focuses on the
+// syntactic aspects of the request.
+message BadRequest {
+  // A message type used to describe a single bad request field.
+  message FieldViolation {
+    // A path leading to a field in the request body. The value will be a
+    // sequence of dot-separated identifiers that identify a protocol buffer
+    // field. E.g., "field_violations.field" would identify this field.
+    string field = 1;
+
+    // A description of why the request element is bad.
+    string description = 2;
+  }
+
+  // Describes all violations in a client request.
+  repeated FieldViolation field_violations = 1;
+}
+
+// Contains metadata about the request that clients can attach when filing a bug
+// or providing other forms of feedback.
+message RequestInfo {
+  // An opaque string that should only be interpreted by the service generating
+  // it. For example, it can be used to identify requests in the service's logs.
+  string request_id = 1;
+
+  // Any data that was used to serve this request. For example, an encrypted
+  // stack trace that can be sent back to the service provider for debugging.
+  string serving_data = 2;
+}
+
+// Describes the resource that is being accessed.
+message ResourceInfo {
+  // A name for the type of resource being accessed, e.g. "sql table",
+  // "cloud storage bucket", "file", "Google calendar"; or the type URL
+  // of the resource: e.g. "type.googleapis.com/google.pubsub.v1.Topic".
+  string resource_type = 1;
+
+  // The name of the resource being accessed.  For example, a shared calendar
+  // name: "example.com_4fghdhgsrgh@group.calendar.google.com", if the current
+  // error is [google.rpc.Code.PERMISSION_DENIED][google.rpc.Code.PERMISSION_DENIED].
+  string resource_name = 2;
+
+  // The owner of the resource (optional).
+  // For example, "user:<owner email>" or "project:<Google developer project
+  // id>".
+  string owner = 3;
+
+  // Describes what error is encountered when accessing this resource.
+  // For example, updating a cloud project may require the `writer` permission
+  // on the developer console project.
+  string description = 4;
+}
+
+// Provides links to documentation or for performing an out of band action.
+//
+// For example, if a quota check failed with an error indicating the calling
+// project hasn't enabled the accessed service, this can contain a URL pointing
+// directly to the right place in the developer console to flip the bit.
+message Help {
+  // Describes a URL link.
+  message Link {
+    // Describes what the link offers.
+    string description = 1;
+
+    // The URL of the link.
+    string url = 2;
+  }
+
+  // URL(s) pointing to additional information on handling the current error.
+  repeated Link links = 1;
+}
+
+// Provides a localized error message that is safe to return to the user
+// which can be attached to an RPC error.
+message LocalizedMessage {
+  // The locale used following the specification defined at
+  // http://www.rfc-editor.org/rfc/bcp/bcp47.txt.
+  // Examples are: "en-US", "fr-CH", "es-MX"
+  string locale = 1;
+
+  // The localized error message in the above locale.
+  string message = 2;
+}
diff --git a/build/extracted-include-protos/test/google/rpc/status.proto b/build/extracted-include-protos/test/google/rpc/status.proto
new file mode 100644
index 0000000000000000000000000000000000000000..0839ee9666adb92d6dd3f75f110aef827c2d1da2
--- /dev/null
+++ b/build/extracted-include-protos/test/google/rpc/status.proto
@@ -0,0 +1,92 @@
+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.rpc;
+
+import "google/protobuf/any.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/rpc/status;status";
+option java_multiple_files = true;
+option java_outer_classname = "StatusProto";
+option java_package = "com.google.rpc";
+option objc_class_prefix = "RPC";
+
+
+// The `Status` type defines a logical error model that is suitable for different
+// programming environments, including REST APIs and RPC APIs. It is used by
+// [gRPC](https://github.com/grpc). The error model is designed to be:
+//
+// - Simple to use and understand for most users
+// - Flexible enough to meet unexpected needs
+//
+// # Overview
+//
+// The `Status` message contains three pieces of data: error code, error message,
+// and error details. The error code should be an enum value of
+// [google.rpc.Code][google.rpc.Code], but it may accept additional error codes if needed.  The
+// error message should be a developer-facing English message that helps
+// developers *understand* and *resolve* the error. If a localized user-facing
+// error message is needed, put the localized message in the error details or
+// localize it in the client. The optional error details may contain arbitrary
+// information about the error. There is a predefined set of error detail types
+// in the package `google.rpc` that can be used for common error conditions.
+//
+// # Language mapping
+//
+// The `Status` message is the logical representation of the error model, but it
+// is not necessarily the actual wire format. When the `Status` message is
+// exposed in different client libraries and different wire protocols, it can be
+// mapped differently. For example, it will likely be mapped to some exceptions
+// in Java, but more likely mapped to some error codes in C.
+//
+// # Other uses
+//
+// The error model and the `Status` message can be used in a variety of
+// environments, either with or without APIs, to provide a
+// consistent developer experience across different environments.
+//
+// Example uses of this error model include:
+//
+// - Partial errors. If a service needs to return partial errors to the client,
+//     it may embed the `Status` in the normal response to indicate the partial
+//     errors.
+//
+// - Workflow errors. A typical workflow has multiple steps. Each step may
+//     have a `Status` message for error reporting.
+//
+// - Batch operations. If a client uses batch request and batch response, the
+//     `Status` message should be used directly inside batch response, one for
+//     each error sub-response.
+//
+// - Asynchronous operations. If an API call embeds asynchronous operation
+//     results in its response, the status of those operations should be
+//     represented directly using the `Status` message.
+//
+// - Logging. If some API errors are stored in logs, the message `Status` could
+//     be used directly after any stripping needed for security/privacy reasons.
+message Status {
+  // The status code, which should be an enum value of [google.rpc.Code][google.rpc.Code].
+  int32 code = 1;
+
+  // A developer-facing error message, which should be in English. Any
+  // user-facing error message should be localized and sent in the
+  // [google.rpc.Status.details][google.rpc.Status.details] field, or localized by the client.
+  string message = 2;
+
+  // A list of messages that carry the error details.  There is a common set of
+  // message types for APIs to use.
+  repeated google.protobuf.Any details = 3;
+}
diff --git a/build/extracted-include-protos/test/google/type/color.proto b/build/extracted-include-protos/test/google/type/color.proto
new file mode 100644
index 0000000000000000000000000000000000000000..2856ce91ee80cb38d2323226ca61e1d9cf9467d8
--- /dev/null
+++ b/build/extracted-include-protos/test/google/type/color.proto
@@ -0,0 +1,164 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+import "google/protobuf/wrappers.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/type/color;color";
+option java_multiple_files = true;
+option java_outer_classname = "ColorProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents a color in the RGBA color space. This representation is designed
+// for simplicity of conversion to/from color representations in various
+// languages over compactness; for example, the fields of this representation
+// can be trivially provided to the constructor of "java.awt.Color" in Java; it
+// can also be trivially provided to UIColor's "+colorWithRed:green:blue:alpha"
+// method in iOS; and, with just a little work, it can be easily formatted into
+// a CSS "rgba()" string in JavaScript, as well. Here are some examples:
+//
+// Example (Java):
+//
+//      import com.google.type.Color;
+//
+//      // ...
+//      public static java.awt.Color fromProto(Color protocolor) {
+//        float alpha = protocolor.hasAlpha()
+//            ? protocolor.getAlpha().getValue()
+//            : 1.0;
+//
+//        return new java.awt.Color(
+//            protocolor.getRed(),
+//            protocolor.getGreen(),
+//            protocolor.getBlue(),
+//            alpha);
+//      }
+//
+//      public static Color toProto(java.awt.Color color) {
+//        float red = (float) color.getRed();
+//        float green = (float) color.getGreen();
+//        float blue = (float) color.getBlue();
+//        float denominator = 255.0;
+//        Color.Builder resultBuilder =
+//            Color
+//                .newBuilder()
+//                .setRed(red / denominator)
+//                .setGreen(green / denominator)
+//                .setBlue(blue / denominator);
+//        int alpha = color.getAlpha();
+//        if (alpha != 255) {
+//          result.setAlpha(
+//              FloatValue
+//                  .newBuilder()
+//                  .setValue(((float) alpha) / denominator)
+//                  .build());
+//        }
+//        return resultBuilder.build();
+//      }
+//      // ...
+//
+// Example (iOS / Obj-C):
+//
+//      // ...
+//      static UIColor* fromProto(Color* protocolor) {
+//         float red = [protocolor red];
+//         float green = [protocolor green];
+//         float blue = [protocolor blue];
+//         FloatValue* alpha_wrapper = [protocolor alpha];
+//         float alpha = 1.0;
+//         if (alpha_wrapper != nil) {
+//           alpha = [alpha_wrapper value];
+//         }
+//         return [UIColor colorWithRed:red green:green blue:blue alpha:alpha];
+//      }
+//
+//      static Color* toProto(UIColor* color) {
+//          CGFloat red, green, blue, alpha;
+//          if (![color getRed:&red green:&green blue:&blue alpha:&alpha]) {
+//            return nil;
+//          }
+//          Color* result = [Color alloc] init];
+//          [result setRed:red];
+//          [result setGreen:green];
+//          [result setBlue:blue];
+//          if (alpha <= 0.9999) {
+//            [result setAlpha:floatWrapperWithValue(alpha)];
+//          }
+//          [result autorelease];
+//          return result;
+//     }
+//     // ...
+//
+//  Example (JavaScript):
+//
+//     // ...
+//
+//     var protoToCssColor = function(rgb_color) {
+//        var redFrac = rgb_color.red || 0.0;
+//        var greenFrac = rgb_color.green || 0.0;
+//        var blueFrac = rgb_color.blue || 0.0;
+//        var red = Math.floor(redFrac * 255);
+//        var green = Math.floor(greenFrac * 255);
+//        var blue = Math.floor(blueFrac * 255);
+//
+//        if (!('alpha' in rgb_color)) {
+//           return rgbToCssColor_(red, green, blue);
+//        }
+//
+//        var alphaFrac = rgb_color.alpha.value || 0.0;
+//        var rgbParams = [red, green, blue].join(',');
+//        return ['rgba(', rgbParams, ',', alphaFrac, ')'].join('');
+//     };
+//
+//     var rgbToCssColor_ = function(red, green, blue) {
+//       var rgbNumber = new Number((red << 16) | (green << 8) | blue);
+//       var hexString = rgbNumber.toString(16);
+//       var missingZeros = 6 - hexString.length;
+//       var resultBuilder = ['#'];
+//       for (var i = 0; i < missingZeros; i++) {
+//          resultBuilder.push('0');
+//       }
+//       resultBuilder.push(hexString);
+//       return resultBuilder.join('');
+//     };
+//
+//     // ...
+message Color {
+  // The amount of red in the color as a value in the interval [0, 1].
+  float red = 1;
+
+  // The amount of green in the color as a value in the interval [0, 1].
+  float green = 2;
+
+  // The amount of blue in the color as a value in the interval [0, 1].
+  float blue = 3;
+
+  // The fraction of this color that should be applied to the pixel. That is,
+  // the final pixel color is defined by the equation:
+  //
+  //   pixel color = alpha * (this color) + (1.0 - alpha) * (background color)
+  //
+  // This means that a value of 1.0 corresponds to a solid color, whereas
+  // a value of 0.0 corresponds to a completely transparent color. This
+  // uses a wrapper message rather than a simple float scalar so that it is
+  // possible to distinguish between a default value and the value being unset.
+  // If omitted, this color object is to be rendered as a solid color
+  // (as if the alpha value had been explicitly given with a value of 1.0).
+  google.protobuf.FloatValue alpha = 4;
+}
diff --git a/build/extracted-include-protos/test/google/type/date.proto b/build/extracted-include-protos/test/google/type/date.proto
new file mode 100644
index 0000000000000000000000000000000000000000..d873ed462f85431f9b1062b73adb0152a457b796
--- /dev/null
+++ b/build/extracted-include-protos/test/google/type/date.proto
@@ -0,0 +1,45 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+option cc_enable_arenas = true;
+option go_package = "google.golang.org/genproto/googleapis/type/date;date";
+option java_multiple_files = true;
+option java_outer_classname = "DateProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents a whole calendar date, e.g. date of birth. The time of day and
+// time zone are either specified elsewhere or are not significant. The date
+// is relative to the Proleptic Gregorian Calendar. The day may be 0 to
+// represent a year and month where the day is not significant, e.g. credit card
+// expiration date. The year may be 0 to represent a month and day independent
+// of year, e.g. anniversary date. Related types are [google.type.TimeOfDay][google.type.TimeOfDay]
+// and `google.protobuf.Timestamp`.
+message Date {
+  // Year of date. Must be from 1 to 9999, or 0 if specifying a date without
+  // a year.
+  int32 year = 1;
+
+  // Month of year. Must be from 1 to 12.
+  int32 month = 2;
+
+  // Day of month. Must be from 1 to 31 and valid for the year and month, or 0
+  // if specifying a year/month where the day is not significant.
+  int32 day = 3;
+}
diff --git a/build/extracted-include-protos/test/google/type/dayofweek.proto b/build/extracted-include-protos/test/google/type/dayofweek.proto
new file mode 100644
index 0000000000000000000000000000000000000000..4eaa9e729f741ac6fe22d52d40a3654299cc9e96
--- /dev/null
+++ b/build/extracted-include-protos/test/google/type/dayofweek.proto
@@ -0,0 +1,51 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+option go_package = "google.golang.org/genproto/googleapis/type/dayofweek;dayofweek";
+option java_multiple_files = true;
+option java_outer_classname = "DayOfWeekProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents a day of week.
+enum DayOfWeek {
+  // The unspecified day-of-week.
+  DAY_OF_WEEK_UNSPECIFIED = 0;
+
+  // The day-of-week of Monday.
+  MONDAY = 1;
+
+  // The day-of-week of Tuesday.
+  TUESDAY = 2;
+
+  // The day-of-week of Wednesday.
+  WEDNESDAY = 3;
+
+  // The day-of-week of Thursday.
+  THURSDAY = 4;
+
+  // The day-of-week of Friday.
+  FRIDAY = 5;
+
+  // The day-of-week of Saturday.
+  SATURDAY = 6;
+
+  // The day-of-week of Sunday.
+  SUNDAY = 7;
+}
diff --git a/build/extracted-include-protos/test/google/type/latlng.proto b/build/extracted-include-protos/test/google/type/latlng.proto
new file mode 100644
index 0000000000000000000000000000000000000000..4e8c65d227af0e04bc369aeb8ee215d921c7dab4
--- /dev/null
+++ b/build/extracted-include-protos/test/google/type/latlng.proto
@@ -0,0 +1,71 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+option go_package = "google.golang.org/genproto/googleapis/type/latlng;latlng";
+option java_multiple_files = true;
+option java_outer_classname = "LatLngProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// An object representing a latitude/longitude pair. This is expressed as a pair
+// of doubles representing degrees latitude and degrees longitude. Unless
+// specified otherwise, this must conform to the
+// <a href="http://www.unoosa.org/pdf/icg/2012/template/WGS_84.pdf">WGS84
+// standard</a>. Values must be within normalized ranges.
+//
+// Example of normalization code in Python:
+//
+//     def NormalizeLongitude(longitude):
+//       """Wraps decimal degrees longitude to [-180.0, 180.0]."""
+//       q, r = divmod(longitude, 360.0)
+//       if r > 180.0 or (r == 180.0 and q <= -1.0):
+//         return r - 360.0
+//       return r
+//
+//     def NormalizeLatLng(latitude, longitude):
+//       """Wraps decimal degrees latitude and longitude to
+//       [-90.0, 90.0] and [-180.0, 180.0], respectively."""
+//       r = latitude % 360.0
+//       if r <= 90.0:
+//         return r, NormalizeLongitude(longitude)
+//       elif r >= 270.0:
+//         return r - 360, NormalizeLongitude(longitude)
+//       else:
+//         return 180 - r, NormalizeLongitude(longitude + 180.0)
+//
+//     assert 180.0 == NormalizeLongitude(180.0)
+//     assert -180.0 == NormalizeLongitude(-180.0)
+//     assert -179.0 == NormalizeLongitude(181.0)
+//     assert (0.0, 0.0) == NormalizeLatLng(360.0, 0.0)
+//     assert (0.0, 0.0) == NormalizeLatLng(-360.0, 0.0)
+//     assert (85.0, 180.0) == NormalizeLatLng(95.0, 0.0)
+//     assert (-85.0, -170.0) == NormalizeLatLng(-95.0, 10.0)
+//     assert (90.0, 10.0) == NormalizeLatLng(90.0, 10.0)
+//     assert (-90.0, -10.0) == NormalizeLatLng(-90.0, -10.0)
+//     assert (0.0, -170.0) == NormalizeLatLng(-180.0, 10.0)
+//     assert (0.0, -170.0) == NormalizeLatLng(180.0, 10.0)
+//     assert (-90.0, 10.0) == NormalizeLatLng(270.0, 10.0)
+//     assert (90.0, 10.0) == NormalizeLatLng(-270.0, 10.0)
+message LatLng {
+  // The latitude in degrees. It must be in the range [-90.0, +90.0].
+  double latitude = 1;
+
+  // The longitude in degrees. It must be in the range [-180.0, +180.0].
+  double longitude = 2;
+}
diff --git a/build/extracted-include-protos/test/google/type/money.proto b/build/extracted-include-protos/test/google/type/money.proto
new file mode 100644
index 0000000000000000000000000000000000000000..154acc9f295fc29a3c9aff6c90e8aff95adc34a6
--- /dev/null
+++ b/build/extracted-include-protos/test/google/type/money.proto
@@ -0,0 +1,42 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+option go_package = "google.golang.org/genproto/googleapis/type/money;money";
+option java_multiple_files = true;
+option java_outer_classname = "MoneyProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents an amount of money with its currency type.
+message Money {
+  // The 3-letter currency code defined in ISO 4217.
+  string currency_code = 1;
+
+  // The whole units of the amount.
+  // For example if `currencyCode` is `"USD"`, then 1 unit is one US dollar.
+  int64 units = 2;
+
+  // Number of nano (10^-9) units of the amount.
+  // The value must be between -999,999,999 and +999,999,999 inclusive.
+  // If `units` is positive, `nanos` must be positive or zero.
+  // If `units` is zero, `nanos` can be positive, zero, or negative.
+  // If `units` is negative, `nanos` must be negative or zero.
+  // For example $-1.75 is represented as `units`=-1 and `nanos`=-750,000,000.
+  int32 nanos = 3;
+}
diff --git a/build/extracted-include-protos/test/google/type/postal_address.proto b/build/extracted-include-protos/test/google/type/postal_address.proto
new file mode 100644
index 0000000000000000000000000000000000000000..b08b61726acc522b0eaa51658d96a67a2c0716b6
--- /dev/null
+++ b/build/extracted-include-protos/test/google/type/postal_address.proto
@@ -0,0 +1,132 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+option go_package = "google.golang.org/genproto/googleapis/type/postaladdress;postaladdress";
+option java_multiple_files = true;
+option java_outer_classname = "PostalAddressProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents a postal address, e.g. for postal delivery or payments addresses.
+// Given a postal address, a postal service can deliver items to a premise, P.O.
+// Box or similar.
+// It is not intended to model geographical locations (roads, towns,
+// mountains).
+//
+// In typical usage an address would be created via user input or from importing
+// existing data, depending on the type of process.
+//
+// Advice on address input / editing:
+//  - Use an i18n-ready address widget such as
+//    https://github.com/googlei18n/libaddressinput)
+// - Users should not be presented with UI elements for input or editing of
+//   fields outside countries where that field is used.
+//
+// For more guidance on how to use this schema, please see:
+// https://support.google.com/business/answer/6397478
+message PostalAddress {
+  // The schema revision of the `PostalAddress`.
+  // All new revisions **must** be backward compatible with old revisions.
+  int32 revision = 1;
+
+  // Required. CLDR region code of the country/region of the address. This
+  // is never inferred and it is up to the user to ensure the value is
+  // correct. See http://cldr.unicode.org/ and
+  // http://www.unicode.org/cldr/charts/30/supplemental/territory_information.html
+  // for details. Example: "CH" for Switzerland.
+  string region_code = 2;
+
+  // Optional. BCP-47 language code of the contents of this address (if
+  // known). This is often the UI language of the input form or is expected
+  // to match one of the languages used in the address' country/region, or their
+  // transliterated equivalents.
+  // This can affect formatting in certain countries, but is not critical
+  // to the correctness of the data and will never affect any validation or
+  // other non-formatting related operations.
+  //
+  // If this value is not known, it should be omitted (rather than specifying a
+  // possibly incorrect default).
+  //
+  // Examples: "zh-Hant", "ja", "ja-Latn", "en".
+  string language_code = 3;
+
+  // Optional. Postal code of the address. Not all countries use or require
+  // postal codes to be present, but where they are used, they may trigger
+  // additional validation with other parts of the address (e.g. state/zip
+  // validation in the U.S.A.).
+  string postal_code = 4;
+
+  // Optional. Additional, country-specific, sorting code. This is not used
+  // in most regions. Where it is used, the value is either a string like
+  // "CEDEX", optionally followed by a number (e.g. "CEDEX 7"), or just a number
+  // alone, representing the "sector code" (Jamaica), "delivery area indicator"
+  // (Malawi) or "post office indicator" (e.g. Côte d'Ivoire).
+  string sorting_code = 5;
+
+  // Optional. Highest administrative subdivision which is used for postal
+  // addresses of a country or region.
+  // For example, this can be a state, a province, an oblast, or a prefecture.
+  // Specifically, for Spain this is the province and not the autonomous
+  // community (e.g. "Barcelona" and not "Catalonia").
+  // Many countries don't use an administrative area in postal addresses. E.g.
+  // in Switzerland this should be left unpopulated.
+  string administrative_area = 6;
+
+  // Optional. Generally refers to the city/town portion of the address.
+  // Examples: US city, IT comune, UK post town.
+  // In regions of the world where localities are not well defined or do not fit
+  // into this structure well, leave locality empty and use address_lines.
+  string locality = 7;
+
+  // Optional. Sublocality of the address.
+  // For example, this can be neighborhoods, boroughs, districts.
+  string sublocality = 8;
+
+  // Unstructured address lines describing the lower levels of an address.
+  //
+  // Because values in address_lines do not have type information and may
+  // sometimes contain multiple values in a single field (e.g.
+  // "Austin, TX"), it is important that the line order is clear. The order of
+  // address lines should be "envelope order" for the country/region of the
+  // address. In places where this can vary (e.g. Japan), address_language is
+  // used to make it explicit (e.g. "ja" for large-to-small ordering and
+  // "ja-Latn" or "en" for small-to-large). This way, the most specific line of
+  // an address can be selected based on the language.
+  //
+  // The minimum permitted structural representation of an address consists
+  // of a region_code with all remaining information placed in the
+  // address_lines. It would be possible to format such an address very
+  // approximately without geocoding, but no semantic reasoning could be
+  // made about any of the address components until it was at least
+  // partially resolved.
+  //
+  // Creating an address only containing a region_code and address_lines, and
+  // then geocoding is the recommended way to handle completely unstructured
+  // addresses (as opposed to guessing which parts of the address should be
+  // localities or administrative areas).
+  repeated string address_lines = 9;
+
+  // Optional. The recipient at the address.
+  // This field may, under certain circumstances, contain multiline information.
+  // For example, it might contain "care of" information.
+  repeated string recipients = 10;
+
+  // Optional. The name of the organization at the address.
+  string organization = 11;
+}
diff --git a/build/extracted-include-protos/test/google/type/timeofday.proto b/build/extracted-include-protos/test/google/type/timeofday.proto
new file mode 100644
index 0000000000000000000000000000000000000000..b130256e2239166d2a0f39b659d6972659ed50de
--- /dev/null
+++ b/build/extracted-include-protos/test/google/type/timeofday.proto
@@ -0,0 +1,43 @@
+// Copyright 2016 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.type;
+
+option go_package = "google.golang.org/genproto/googleapis/type/timeofday;timeofday";
+option java_multiple_files = true;
+option java_outer_classname = "TimeOfDayProto";
+option java_package = "com.google.type";
+option objc_class_prefix = "GTP";
+
+
+// Represents a time of day. The date and time zone are either not significant
+// or are specified elsewhere. An API may chose to allow leap seconds. Related
+// types are [google.type.Date][google.type.Date] and `google.protobuf.Timestamp`.
+message TimeOfDay {
+  // Hours of day in 24 hour format. Should be from 0 to 23. An API may choose
+  // to allow the value "24:00:00" for scenarios like business closing time.
+  int32 hours = 1;
+
+  // Minutes of hour of day. Must be from 0 to 59.
+  int32 minutes = 2;
+
+  // Seconds of minutes of the time. Must normally be from 0 to 59. An API may
+  // allow the value 60 if it allows leap-seconds.
+  int32 seconds = 3;
+
+  // Fractions of seconds in nanoseconds. Must be from 0 to 999,999,999.
+  int32 nanos = 4;
+}
diff --git a/build/generated/source/proto/main/grpc/com/example/chat/ChatServiceGrpc.java b/build/generated/source/proto/main/grpc/com/example/chat/ChatServiceGrpc.java
new file mode 100644
index 0000000000000000000000000000000000000000..f8239797c8954d97655bf16b16391f9125e4b670
--- /dev/null
+++ b/build/generated/source/proto/main/grpc/com/example/chat/ChatServiceGrpc.java
@@ -0,0 +1,263 @@
+package com.example.chat;
+
+import static io.grpc.MethodDescriptor.generateFullMethodName;
+import static io.grpc.stub.ClientCalls.asyncBidiStreamingCall;
+import static io.grpc.stub.ClientCalls.asyncClientStreamingCall;
+import static io.grpc.stub.ClientCalls.asyncServerStreamingCall;
+import static io.grpc.stub.ClientCalls.asyncUnaryCall;
+import static io.grpc.stub.ClientCalls.blockingServerStreamingCall;
+import static io.grpc.stub.ClientCalls.blockingUnaryCall;
+import static io.grpc.stub.ClientCalls.futureUnaryCall;
+import static io.grpc.stub.ServerCalls.asyncBidiStreamingCall;
+import static io.grpc.stub.ServerCalls.asyncClientStreamingCall;
+import static io.grpc.stub.ServerCalls.asyncServerStreamingCall;
+import static io.grpc.stub.ServerCalls.asyncUnaryCall;
+import static io.grpc.stub.ServerCalls.asyncUnimplementedStreamingCall;
+import static io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall;
+
+/**
+ */
+@javax.annotation.Generated(
+    value = "by gRPC proto compiler (version 1.25.0)",
+    comments = "Source: ChatService.proto")
+public final class ChatServiceGrpc {
+
+  private ChatServiceGrpc() {}
+
+  public static final String SERVICE_NAME = "com.example.chat.ChatService";
+
+  // Static method descriptors that strictly reflect the proto.
+  private static volatile io.grpc.MethodDescriptor<com.example.chat.ChatServiceOuterClass.ChatMessage,
+      com.example.chat.ChatServiceOuterClass.ChatMessage> getChatMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "chat",
+      requestType = com.example.chat.ChatServiceOuterClass.ChatMessage.class,
+      responseType = com.example.chat.ChatServiceOuterClass.ChatMessage.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.BIDI_STREAMING)
+  public static io.grpc.MethodDescriptor<com.example.chat.ChatServiceOuterClass.ChatMessage,
+      com.example.chat.ChatServiceOuterClass.ChatMessage> getChatMethod() {
+    io.grpc.MethodDescriptor<com.example.chat.ChatServiceOuterClass.ChatMessage, com.example.chat.ChatServiceOuterClass.ChatMessage> getChatMethod;
+    if ((getChatMethod = ChatServiceGrpc.getChatMethod) == null) {
+      synchronized (ChatServiceGrpc.class) {
+        if ((getChatMethod = ChatServiceGrpc.getChatMethod) == null) {
+          ChatServiceGrpc.getChatMethod = getChatMethod =
+              io.grpc.MethodDescriptor.<com.example.chat.ChatServiceOuterClass.ChatMessage, com.example.chat.ChatServiceOuterClass.ChatMessage>newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.BIDI_STREAMING)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "chat"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.example.chat.ChatServiceOuterClass.ChatMessage.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.example.chat.ChatServiceOuterClass.ChatMessage.getDefaultInstance()))
+              .setSchemaDescriptor(new ChatServiceMethodDescriptorSupplier("chat"))
+              .build();
+        }
+      }
+    }
+    return getChatMethod;
+  }
+
+  /**
+   * Creates a new async stub that supports all call types for the service
+   */
+  public static ChatServiceStub newStub(io.grpc.Channel channel) {
+    return new ChatServiceStub(channel);
+  }
+
+  /**
+   * Creates a new blocking-style stub that supports unary and streaming output calls on the service
+   */
+  public static ChatServiceBlockingStub newBlockingStub(
+      io.grpc.Channel channel) {
+    return new ChatServiceBlockingStub(channel);
+  }
+
+  /**
+   * Creates a new ListenableFuture-style stub that supports unary calls on the service
+   */
+  public static ChatServiceFutureStub newFutureStub(
+      io.grpc.Channel channel) {
+    return new ChatServiceFutureStub(channel);
+  }
+
+  /**
+   */
+  public static abstract class ChatServiceImplBase implements io.grpc.BindableService {
+
+    /**
+     */
+    public io.grpc.stub.StreamObserver<com.example.chat.ChatServiceOuterClass.ChatMessage> chat(
+        io.grpc.stub.StreamObserver<com.example.chat.ChatServiceOuterClass.ChatMessage> responseObserver) {
+      return asyncUnimplementedStreamingCall(getChatMethod(), responseObserver);
+    }
+
+    @java.lang.Override public final io.grpc.ServerServiceDefinition bindService() {
+      return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
+          .addMethod(
+            getChatMethod(),
+            asyncBidiStreamingCall(
+              new MethodHandlers<
+                com.example.chat.ChatServiceOuterClass.ChatMessage,
+                com.example.chat.ChatServiceOuterClass.ChatMessage>(
+                  this, METHODID_CHAT)))
+          .build();
+    }
+  }
+
+  /**
+   */
+  public static final class ChatServiceStub extends io.grpc.stub.AbstractStub<ChatServiceStub> {
+    private ChatServiceStub(io.grpc.Channel channel) {
+      super(channel);
+    }
+
+    private ChatServiceStub(io.grpc.Channel channel,
+        io.grpc.CallOptions callOptions) {
+      super(channel, callOptions);
+    }
+
+    @java.lang.Override
+    protected ChatServiceStub build(io.grpc.Channel channel,
+        io.grpc.CallOptions callOptions) {
+      return new ChatServiceStub(channel, callOptions);
+    }
+
+    /**
+     */
+    public io.grpc.stub.StreamObserver<com.example.chat.ChatServiceOuterClass.ChatMessage> chat(
+        io.grpc.stub.StreamObserver<com.example.chat.ChatServiceOuterClass.ChatMessage> responseObserver) {
+      return asyncBidiStreamingCall(
+          getChannel().newCall(getChatMethod(), getCallOptions()), responseObserver);
+    }
+  }
+
+  /**
+   */
+  public static final class ChatServiceBlockingStub extends io.grpc.stub.AbstractStub<ChatServiceBlockingStub> {
+    private ChatServiceBlockingStub(io.grpc.Channel channel) {
+      super(channel);
+    }
+
+    private ChatServiceBlockingStub(io.grpc.Channel channel,
+        io.grpc.CallOptions callOptions) {
+      super(channel, callOptions);
+    }
+
+    @java.lang.Override
+    protected ChatServiceBlockingStub build(io.grpc.Channel channel,
+        io.grpc.CallOptions callOptions) {
+      return new ChatServiceBlockingStub(channel, callOptions);
+    }
+  }
+
+  /**
+   */
+  public static final class ChatServiceFutureStub extends io.grpc.stub.AbstractStub<ChatServiceFutureStub> {
+    private ChatServiceFutureStub(io.grpc.Channel channel) {
+      super(channel);
+    }
+
+    private ChatServiceFutureStub(io.grpc.Channel channel,
+        io.grpc.CallOptions callOptions) {
+      super(channel, callOptions);
+    }
+
+    @java.lang.Override
+    protected ChatServiceFutureStub build(io.grpc.Channel channel,
+        io.grpc.CallOptions callOptions) {
+      return new ChatServiceFutureStub(channel, callOptions);
+    }
+  }
+
+  private static final int METHODID_CHAT = 0;
+
+  private static final class MethodHandlers<Req, Resp> implements
+      io.grpc.stub.ServerCalls.UnaryMethod<Req, Resp>,
+      io.grpc.stub.ServerCalls.ServerStreamingMethod<Req, Resp>,
+      io.grpc.stub.ServerCalls.ClientStreamingMethod<Req, Resp>,
+      io.grpc.stub.ServerCalls.BidiStreamingMethod<Req, Resp> {
+    private final ChatServiceImplBase serviceImpl;
+    private final int methodId;
+
+    MethodHandlers(ChatServiceImplBase serviceImpl, int methodId) {
+      this.serviceImpl = serviceImpl;
+      this.methodId = methodId;
+    }
+
+    @java.lang.Override
+    @java.lang.SuppressWarnings("unchecked")
+    public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserver) {
+      switch (methodId) {
+        default:
+          throw new AssertionError();
+      }
+    }
+
+    @java.lang.Override
+    @java.lang.SuppressWarnings("unchecked")
+    public io.grpc.stub.StreamObserver<Req> invoke(
+        io.grpc.stub.StreamObserver<Resp> responseObserver) {
+      switch (methodId) {
+        case METHODID_CHAT:
+          return (io.grpc.stub.StreamObserver<Req>) serviceImpl.chat(
+              (io.grpc.stub.StreamObserver<com.example.chat.ChatServiceOuterClass.ChatMessage>) responseObserver);
+        default:
+          throw new AssertionError();
+      }
+    }
+  }
+
+  private static abstract class ChatServiceBaseDescriptorSupplier
+      implements io.grpc.protobuf.ProtoFileDescriptorSupplier, io.grpc.protobuf.ProtoServiceDescriptorSupplier {
+    ChatServiceBaseDescriptorSupplier() {}
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.FileDescriptor getFileDescriptor() {
+      return com.example.chat.ChatServiceOuterClass.getDescriptor();
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.ServiceDescriptor getServiceDescriptor() {
+      return getFileDescriptor().findServiceByName("ChatService");
+    }
+  }
+
+  private static final class ChatServiceFileDescriptorSupplier
+      extends ChatServiceBaseDescriptorSupplier {
+    ChatServiceFileDescriptorSupplier() {}
+  }
+
+  private static final class ChatServiceMethodDescriptorSupplier
+      extends ChatServiceBaseDescriptorSupplier
+      implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
+    private final String methodName;
+
+    ChatServiceMethodDescriptorSupplier(String methodName) {
+      this.methodName = methodName;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.MethodDescriptor getMethodDescriptor() {
+      return getServiceDescriptor().findMethodByName(methodName);
+    }
+  }
+
+  private static volatile io.grpc.ServiceDescriptor serviceDescriptor;
+
+  public static io.grpc.ServiceDescriptor getServiceDescriptor() {
+    io.grpc.ServiceDescriptor result = serviceDescriptor;
+    if (result == null) {
+      synchronized (ChatServiceGrpc.class) {
+        result = serviceDescriptor;
+        if (result == null) {
+          serviceDescriptor = result = io.grpc.ServiceDescriptor.newBuilder(SERVICE_NAME)
+              .setSchemaDescriptor(new ChatServiceFileDescriptorSupplier())
+              .addMethod(getChatMethod())
+              .build();
+        }
+      }
+    }
+    return result;
+  }
+}
diff --git a/build/generated/source/proto/main/grpc/com/example/grpc/GreetingServiceGrpc.java b/build/generated/source/proto/main/grpc/com/example/grpc/GreetingServiceGrpc.java
new file mode 100644
index 0000000000000000000000000000000000000000..8a0e22c1b1f15e3a7ea3ec936af01781da41418c
--- /dev/null
+++ b/build/generated/source/proto/main/grpc/com/example/grpc/GreetingServiceGrpc.java
@@ -0,0 +1,361 @@
+package com.example.grpc;
+
+import static io.grpc.MethodDescriptor.generateFullMethodName;
+import static io.grpc.stub.ClientCalls.asyncBidiStreamingCall;
+import static io.grpc.stub.ClientCalls.asyncClientStreamingCall;
+import static io.grpc.stub.ClientCalls.asyncServerStreamingCall;
+import static io.grpc.stub.ClientCalls.asyncUnaryCall;
+import static io.grpc.stub.ClientCalls.blockingServerStreamingCall;
+import static io.grpc.stub.ClientCalls.blockingUnaryCall;
+import static io.grpc.stub.ClientCalls.futureUnaryCall;
+import static io.grpc.stub.ServerCalls.asyncBidiStreamingCall;
+import static io.grpc.stub.ServerCalls.asyncClientStreamingCall;
+import static io.grpc.stub.ServerCalls.asyncServerStreamingCall;
+import static io.grpc.stub.ServerCalls.asyncUnaryCall;
+import static io.grpc.stub.ServerCalls.asyncUnimplementedStreamingCall;
+import static io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall;
+
+/**
+ * <pre>
+ * Defining a Service, a Service can have multiple RPC operations
+ * </pre>
+ */
+@javax.annotation.Generated(
+    value = "by gRPC proto compiler (version 1.25.0)",
+    comments = "Source: GreetingService.proto")
+public final class GreetingServiceGrpc {
+
+  private GreetingServiceGrpc() {}
+
+  public static final String SERVICE_NAME = "com.example.grpc.GreetingService";
+
+  // Static method descriptors that strictly reflect the proto.
+  private static volatile io.grpc.MethodDescriptor<com.example.grpc.GreetingServiceOuterClass.HelloRequest,
+      com.example.grpc.GreetingServiceOuterClass.HelloResponse> getGreetingMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "greeting",
+      requestType = com.example.grpc.GreetingServiceOuterClass.HelloRequest.class,
+      responseType = com.example.grpc.GreetingServiceOuterClass.HelloResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<com.example.grpc.GreetingServiceOuterClass.HelloRequest,
+      com.example.grpc.GreetingServiceOuterClass.HelloResponse> getGreetingMethod() {
+    io.grpc.MethodDescriptor<com.example.grpc.GreetingServiceOuterClass.HelloRequest, com.example.grpc.GreetingServiceOuterClass.HelloResponse> getGreetingMethod;
+    if ((getGreetingMethod = GreetingServiceGrpc.getGreetingMethod) == null) {
+      synchronized (GreetingServiceGrpc.class) {
+        if ((getGreetingMethod = GreetingServiceGrpc.getGreetingMethod) == null) {
+          GreetingServiceGrpc.getGreetingMethod = getGreetingMethod =
+              io.grpc.MethodDescriptor.<com.example.grpc.GreetingServiceOuterClass.HelloRequest, com.example.grpc.GreetingServiceOuterClass.HelloResponse>newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "greeting"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.example.grpc.GreetingServiceOuterClass.HelloRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.example.grpc.GreetingServiceOuterClass.HelloResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new GreetingServiceMethodDescriptorSupplier("greeting"))
+              .build();
+        }
+      }
+    }
+    return getGreetingMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<com.example.grpc.GreetingServiceOuterClass.HelloRequest,
+      com.example.grpc.GreetingServiceOuterClass.HelloResponse> getStreamGreetingMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "streamGreeting",
+      requestType = com.example.grpc.GreetingServiceOuterClass.HelloRequest.class,
+      responseType = com.example.grpc.GreetingServiceOuterClass.HelloResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.SERVER_STREAMING)
+  public static io.grpc.MethodDescriptor<com.example.grpc.GreetingServiceOuterClass.HelloRequest,
+      com.example.grpc.GreetingServiceOuterClass.HelloResponse> getStreamGreetingMethod() {
+    io.grpc.MethodDescriptor<com.example.grpc.GreetingServiceOuterClass.HelloRequest, com.example.grpc.GreetingServiceOuterClass.HelloResponse> getStreamGreetingMethod;
+    if ((getStreamGreetingMethod = GreetingServiceGrpc.getStreamGreetingMethod) == null) {
+      synchronized (GreetingServiceGrpc.class) {
+        if ((getStreamGreetingMethod = GreetingServiceGrpc.getStreamGreetingMethod) == null) {
+          GreetingServiceGrpc.getStreamGreetingMethod = getStreamGreetingMethod =
+              io.grpc.MethodDescriptor.<com.example.grpc.GreetingServiceOuterClass.HelloRequest, com.example.grpc.GreetingServiceOuterClass.HelloResponse>newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.SERVER_STREAMING)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "streamGreeting"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.example.grpc.GreetingServiceOuterClass.HelloRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.example.grpc.GreetingServiceOuterClass.HelloResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new GreetingServiceMethodDescriptorSupplier("streamGreeting"))
+              .build();
+        }
+      }
+    }
+    return getStreamGreetingMethod;
+  }
+
+  /**
+   * Creates a new async stub that supports all call types for the service
+   */
+  public static GreetingServiceStub newStub(io.grpc.Channel channel) {
+    return new GreetingServiceStub(channel);
+  }
+
+  /**
+   * Creates a new blocking-style stub that supports unary and streaming output calls on the service
+   */
+  public static GreetingServiceBlockingStub newBlockingStub(
+      io.grpc.Channel channel) {
+    return new GreetingServiceBlockingStub(channel);
+  }
+
+  /**
+   * Creates a new ListenableFuture-style stub that supports unary calls on the service
+   */
+  public static GreetingServiceFutureStub newFutureStub(
+      io.grpc.Channel channel) {
+    return new GreetingServiceFutureStub(channel);
+  }
+
+  /**
+   * <pre>
+   * Defining a Service, a Service can have multiple RPC operations
+   * </pre>
+   */
+  public static abstract class GreetingServiceImplBase implements io.grpc.BindableService {
+
+    /**
+     */
+    public void greeting(com.example.grpc.GreetingServiceOuterClass.HelloRequest request,
+        io.grpc.stub.StreamObserver<com.example.grpc.GreetingServiceOuterClass.HelloResponse> responseObserver) {
+      asyncUnimplementedUnaryCall(getGreetingMethod(), responseObserver);
+    }
+
+    /**
+     */
+    public void streamGreeting(com.example.grpc.GreetingServiceOuterClass.HelloRequest request,
+        io.grpc.stub.StreamObserver<com.example.grpc.GreetingServiceOuterClass.HelloResponse> responseObserver) {
+      asyncUnimplementedUnaryCall(getStreamGreetingMethod(), responseObserver);
+    }
+
+    @java.lang.Override public final io.grpc.ServerServiceDefinition bindService() {
+      return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
+          .addMethod(
+            getGreetingMethod(),
+            asyncUnaryCall(
+              new MethodHandlers<
+                com.example.grpc.GreetingServiceOuterClass.HelloRequest,
+                com.example.grpc.GreetingServiceOuterClass.HelloResponse>(
+                  this, METHODID_GREETING)))
+          .addMethod(
+            getStreamGreetingMethod(),
+            asyncServerStreamingCall(
+              new MethodHandlers<
+                com.example.grpc.GreetingServiceOuterClass.HelloRequest,
+                com.example.grpc.GreetingServiceOuterClass.HelloResponse>(
+                  this, METHODID_STREAM_GREETING)))
+          .build();
+    }
+  }
+
+  /**
+   * <pre>
+   * Defining a Service, a Service can have multiple RPC operations
+   * </pre>
+   */
+  public static final class GreetingServiceStub extends io.grpc.stub.AbstractStub<GreetingServiceStub> {
+    private GreetingServiceStub(io.grpc.Channel channel) {
+      super(channel);
+    }
+
+    private GreetingServiceStub(io.grpc.Channel channel,
+        io.grpc.CallOptions callOptions) {
+      super(channel, callOptions);
+    }
+
+    @java.lang.Override
+    protected GreetingServiceStub build(io.grpc.Channel channel,
+        io.grpc.CallOptions callOptions) {
+      return new GreetingServiceStub(channel, callOptions);
+    }
+
+    /**
+     */
+    public void greeting(com.example.grpc.GreetingServiceOuterClass.HelloRequest request,
+        io.grpc.stub.StreamObserver<com.example.grpc.GreetingServiceOuterClass.HelloResponse> responseObserver) {
+      asyncUnaryCall(
+          getChannel().newCall(getGreetingMethod(), getCallOptions()), request, responseObserver);
+    }
+
+    /**
+     */
+    public void streamGreeting(com.example.grpc.GreetingServiceOuterClass.HelloRequest request,
+        io.grpc.stub.StreamObserver<com.example.grpc.GreetingServiceOuterClass.HelloResponse> responseObserver) {
+      asyncServerStreamingCall(
+          getChannel().newCall(getStreamGreetingMethod(), getCallOptions()), request, responseObserver);
+    }
+  }
+
+  /**
+   * <pre>
+   * Defining a Service, a Service can have multiple RPC operations
+   * </pre>
+   */
+  public static final class GreetingServiceBlockingStub extends io.grpc.stub.AbstractStub<GreetingServiceBlockingStub> {
+    private GreetingServiceBlockingStub(io.grpc.Channel channel) {
+      super(channel);
+    }
+
+    private GreetingServiceBlockingStub(io.grpc.Channel channel,
+        io.grpc.CallOptions callOptions) {
+      super(channel, callOptions);
+    }
+
+    @java.lang.Override
+    protected GreetingServiceBlockingStub build(io.grpc.Channel channel,
+        io.grpc.CallOptions callOptions) {
+      return new GreetingServiceBlockingStub(channel, callOptions);
+    }
+
+    /**
+     */
+    public com.example.grpc.GreetingServiceOuterClass.HelloResponse greeting(com.example.grpc.GreetingServiceOuterClass.HelloRequest request) {
+      return blockingUnaryCall(
+          getChannel(), getGreetingMethod(), getCallOptions(), request);
+    }
+
+    /**
+     */
+    public java.util.Iterator<com.example.grpc.GreetingServiceOuterClass.HelloResponse> streamGreeting(
+        com.example.grpc.GreetingServiceOuterClass.HelloRequest request) {
+      return blockingServerStreamingCall(
+          getChannel(), getStreamGreetingMethod(), getCallOptions(), request);
+    }
+  }
+
+  /**
+   * <pre>
+   * Defining a Service, a Service can have multiple RPC operations
+   * </pre>
+   */
+  public static final class GreetingServiceFutureStub extends io.grpc.stub.AbstractStub<GreetingServiceFutureStub> {
+    private GreetingServiceFutureStub(io.grpc.Channel channel) {
+      super(channel);
+    }
+
+    private GreetingServiceFutureStub(io.grpc.Channel channel,
+        io.grpc.CallOptions callOptions) {
+      super(channel, callOptions);
+    }
+
+    @java.lang.Override
+    protected GreetingServiceFutureStub build(io.grpc.Channel channel,
+        io.grpc.CallOptions callOptions) {
+      return new GreetingServiceFutureStub(channel, callOptions);
+    }
+
+    /**
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.example.grpc.GreetingServiceOuterClass.HelloResponse> greeting(
+        com.example.grpc.GreetingServiceOuterClass.HelloRequest request) {
+      return futureUnaryCall(
+          getChannel().newCall(getGreetingMethod(), getCallOptions()), request);
+    }
+  }
+
+  private static final int METHODID_GREETING = 0;
+  private static final int METHODID_STREAM_GREETING = 1;
+
+  private static final class MethodHandlers<Req, Resp> implements
+      io.grpc.stub.ServerCalls.UnaryMethod<Req, Resp>,
+      io.grpc.stub.ServerCalls.ServerStreamingMethod<Req, Resp>,
+      io.grpc.stub.ServerCalls.ClientStreamingMethod<Req, Resp>,
+      io.grpc.stub.ServerCalls.BidiStreamingMethod<Req, Resp> {
+    private final GreetingServiceImplBase serviceImpl;
+    private final int methodId;
+
+    MethodHandlers(GreetingServiceImplBase serviceImpl, int methodId) {
+      this.serviceImpl = serviceImpl;
+      this.methodId = methodId;
+    }
+
+    @java.lang.Override
+    @java.lang.SuppressWarnings("unchecked")
+    public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserver) {
+      switch (methodId) {
+        case METHODID_GREETING:
+          serviceImpl.greeting((com.example.grpc.GreetingServiceOuterClass.HelloRequest) request,
+              (io.grpc.stub.StreamObserver<com.example.grpc.GreetingServiceOuterClass.HelloResponse>) responseObserver);
+          break;
+        case METHODID_STREAM_GREETING:
+          serviceImpl.streamGreeting((com.example.grpc.GreetingServiceOuterClass.HelloRequest) request,
+              (io.grpc.stub.StreamObserver<com.example.grpc.GreetingServiceOuterClass.HelloResponse>) responseObserver);
+          break;
+        default:
+          throw new AssertionError();
+      }
+    }
+
+    @java.lang.Override
+    @java.lang.SuppressWarnings("unchecked")
+    public io.grpc.stub.StreamObserver<Req> invoke(
+        io.grpc.stub.StreamObserver<Resp> responseObserver) {
+      switch (methodId) {
+        default:
+          throw new AssertionError();
+      }
+    }
+  }
+
+  private static abstract class GreetingServiceBaseDescriptorSupplier
+      implements io.grpc.protobuf.ProtoFileDescriptorSupplier, io.grpc.protobuf.ProtoServiceDescriptorSupplier {
+    GreetingServiceBaseDescriptorSupplier() {}
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.FileDescriptor getFileDescriptor() {
+      return com.example.grpc.GreetingServiceOuterClass.getDescriptor();
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.ServiceDescriptor getServiceDescriptor() {
+      return getFileDescriptor().findServiceByName("GreetingService");
+    }
+  }
+
+  private static final class GreetingServiceFileDescriptorSupplier
+      extends GreetingServiceBaseDescriptorSupplier {
+    GreetingServiceFileDescriptorSupplier() {}
+  }
+
+  private static final class GreetingServiceMethodDescriptorSupplier
+      extends GreetingServiceBaseDescriptorSupplier
+      implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
+    private final String methodName;
+
+    GreetingServiceMethodDescriptorSupplier(String methodName) {
+      this.methodName = methodName;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.MethodDescriptor getMethodDescriptor() {
+      return getServiceDescriptor().findMethodByName(methodName);
+    }
+  }
+
+  private static volatile io.grpc.ServiceDescriptor serviceDescriptor;
+
+  public static io.grpc.ServiceDescriptor getServiceDescriptor() {
+    io.grpc.ServiceDescriptor result = serviceDescriptor;
+    if (result == null) {
+      synchronized (GreetingServiceGrpc.class) {
+        result = serviceDescriptor;
+        if (result == null) {
+          serviceDescriptor = result = io.grpc.ServiceDescriptor.newBuilder(SERVICE_NAME)
+              .setSchemaDescriptor(new GreetingServiceFileDescriptorSupplier())
+              .addMethod(getGreetingMethod())
+              .addMethod(getStreamGreetingMethod())
+              .build();
+        }
+      }
+    }
+    return result;
+  }
+}
diff --git a/build/generated/source/proto/main/java/com/example/chat/ChatServiceOuterClass.java b/build/generated/source/proto/main/java/com/example/chat/ChatServiceOuterClass.java
new file mode 100644
index 0000000000000000000000000000000000000000..97e1b5e8be226d51a208408c52350267c5c6b648
--- /dev/null
+++ b/build/generated/source/proto/main/java/com/example/chat/ChatServiceOuterClass.java
@@ -0,0 +1,764 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: ChatService.proto
+
+package com.example.chat;
+
+public final class ChatServiceOuterClass {
+  private ChatServiceOuterClass() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  public interface ChatMessageOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:com.example.chat.ChatMessage)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>string from = 1;</code>
+     * @return The from.
+     */
+    java.lang.String getFrom();
+    /**
+     * <code>string from = 1;</code>
+     * @return The bytes for from.
+     */
+    com.google.protobuf.ByteString
+        getFromBytes();
+
+    /**
+     * <code>string message = 2;</code>
+     * @return The message.
+     */
+    java.lang.String getMessage();
+    /**
+     * <code>string message = 2;</code>
+     * @return The bytes for message.
+     */
+    com.google.protobuf.ByteString
+        getMessageBytes();
+  }
+  /**
+   * Protobuf type {@code com.example.chat.ChatMessage}
+   */
+  public  static final class ChatMessage extends
+      com.google.protobuf.GeneratedMessageV3 implements
+      // @@protoc_insertion_point(message_implements:com.example.chat.ChatMessage)
+      ChatMessageOrBuilder {
+  private static final long serialVersionUID = 0L;
+    // Use ChatMessage.newBuilder() to construct.
+    private ChatMessage(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+    private ChatMessage() {
+      from_ = "";
+      message_ = "";
+    }
+
+    @java.lang.Override
+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
+      return new ChatMessage();
+    }
+
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+    getUnknownFields() {
+      return this.unknownFields;
+    }
+    private ChatMessage(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      this();
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10: {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              from_ = s;
+              break;
+            }
+            case 18: {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              message_ = s;
+              break;
+            }
+            default: {
+              if (!parseUnknownField(
+                  input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.example.chat.ChatServiceOuterClass.internal_static_com_example_chat_ChatMessage_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.example.chat.ChatServiceOuterClass.internal_static_com_example_chat_ChatMessage_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.example.chat.ChatServiceOuterClass.ChatMessage.class, com.example.chat.ChatServiceOuterClass.ChatMessage.Builder.class);
+    }
+
+    public static final int FROM_FIELD_NUMBER = 1;
+    private volatile java.lang.Object from_;
+    /**
+     * <code>string from = 1;</code>
+     * @return The from.
+     */
+    public java.lang.String getFrom() {
+      java.lang.Object ref = from_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        from_ = s;
+        return s;
+      }
+    }
+    /**
+     * <code>string from = 1;</code>
+     * @return The bytes for from.
+     */
+    public com.google.protobuf.ByteString
+        getFromBytes() {
+      java.lang.Object ref = from_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        from_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int MESSAGE_FIELD_NUMBER = 2;
+    private volatile java.lang.Object message_;
+    /**
+     * <code>string message = 2;</code>
+     * @return The message.
+     */
+    public java.lang.String getMessage() {
+      java.lang.Object ref = message_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        message_ = s;
+        return s;
+      }
+    }
+    /**
+     * <code>string message = 2;</code>
+     * @return The bytes for message.
+     */
+    public com.google.protobuf.ByteString
+        getMessageBytes() {
+      java.lang.Object ref = message_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        message_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    private byte memoizedIsInitialized = -1;
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      if (!getFromBytes().isEmpty()) {
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, from_);
+      }
+      if (!getMessageBytes().isEmpty()) {
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, message_);
+      }
+      unknownFields.writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!getFromBytes().isEmpty()) {
+        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, from_);
+      }
+      if (!getMessageBytes().isEmpty()) {
+        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, message_);
+      }
+      size += unknownFields.getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof com.example.chat.ChatServiceOuterClass.ChatMessage)) {
+        return super.equals(obj);
+      }
+      com.example.chat.ChatServiceOuterClass.ChatMessage other = (com.example.chat.ChatServiceOuterClass.ChatMessage) obj;
+
+      if (!getFrom()
+          .equals(other.getFrom())) return false;
+      if (!getMessage()
+          .equals(other.getMessage())) return false;
+      if (!unknownFields.equals(other.unknownFields)) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + FROM_FIELD_NUMBER;
+      hash = (53 * hash) + getFrom().hashCode();
+      hash = (37 * hash) + MESSAGE_FIELD_NUMBER;
+      hash = (53 * hash) + getMessage().hashCode();
+      hash = (29 * hash) + unknownFields.hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage parseFrom(
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage parseFrom(
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
+    }
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+    public static Builder newBuilder(com.example.chat.ChatServiceOuterClass.ChatMessage prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code com.example.chat.ChatMessage}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:com.example.chat.ChatMessage)
+        com.example.chat.ChatServiceOuterClass.ChatMessageOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.example.chat.ChatServiceOuterClass.internal_static_com_example_chat_ChatMessage_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.example.chat.ChatServiceOuterClass.internal_static_com_example_chat_ChatMessage_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.example.chat.ChatServiceOuterClass.ChatMessage.class, com.example.chat.ChatServiceOuterClass.ChatMessage.Builder.class);
+      }
+
+      // Construct using com.example.chat.ChatServiceOuterClass.ChatMessage.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessageV3
+                .alwaysUseFieldBuilders) {
+        }
+      }
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        from_ = "";
+
+        message_ = "";
+
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.example.chat.ChatServiceOuterClass.internal_static_com_example_chat_ChatMessage_descriptor;
+      }
+
+      @java.lang.Override
+      public com.example.chat.ChatServiceOuterClass.ChatMessage getDefaultInstanceForType() {
+        return com.example.chat.ChatServiceOuterClass.ChatMessage.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.example.chat.ChatServiceOuterClass.ChatMessage build() {
+        com.example.chat.ChatServiceOuterClass.ChatMessage result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.example.chat.ChatServiceOuterClass.ChatMessage buildPartial() {
+        com.example.chat.ChatServiceOuterClass.ChatMessage result = new com.example.chat.ChatServiceOuterClass.ChatMessage(this);
+        result.from_ = from_;
+        result.message_ = message_;
+        onBuilt();
+        return result;
+      }
+
+      @java.lang.Override
+      public Builder clone() {
+        return super.clone();
+      }
+      @java.lang.Override
+      public Builder setField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return super.setField(field, value);
+      }
+      @java.lang.Override
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
+        return super.clearField(field);
+      }
+      @java.lang.Override
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+        return super.clearOneof(oneof);
+      }
+      @java.lang.Override
+      public Builder setRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          int index, java.lang.Object value) {
+        return super.setRepeatedField(field, index, value);
+      }
+      @java.lang.Override
+      public Builder addRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return super.addRepeatedField(field, value);
+      }
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.example.chat.ChatServiceOuterClass.ChatMessage) {
+          return mergeFrom((com.example.chat.ChatServiceOuterClass.ChatMessage)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.example.chat.ChatServiceOuterClass.ChatMessage other) {
+        if (other == com.example.chat.ChatServiceOuterClass.ChatMessage.getDefaultInstance()) return this;
+        if (!other.getFrom().isEmpty()) {
+          from_ = other.from_;
+          onChanged();
+        }
+        if (!other.getMessage().isEmpty()) {
+          message_ = other.message_;
+          onChanged();
+        }
+        this.mergeUnknownFields(other.unknownFields);
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        com.example.chat.ChatServiceOuterClass.ChatMessage parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (com.example.chat.ChatServiceOuterClass.ChatMessage) e.getUnfinishedMessage();
+          throw e.unwrapIOException();
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+
+      private java.lang.Object from_ = "";
+      /**
+       * <code>string from = 1;</code>
+       * @return The from.
+       */
+      public java.lang.String getFrom() {
+        java.lang.Object ref = from_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          from_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>string from = 1;</code>
+       * @return The bytes for from.
+       */
+      public com.google.protobuf.ByteString
+          getFromBytes() {
+        java.lang.Object ref = from_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          from_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>string from = 1;</code>
+       * @param value The from to set.
+       * @return This builder for chaining.
+       */
+      public Builder setFrom(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  
+        from_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>string from = 1;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearFrom() {
+        
+        from_ = getDefaultInstance().getFrom();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>string from = 1;</code>
+       * @param value The bytes for from to set.
+       * @return This builder for chaining.
+       */
+      public Builder setFromBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+        
+        from_ = value;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object message_ = "";
+      /**
+       * <code>string message = 2;</code>
+       * @return The message.
+       */
+      public java.lang.String getMessage() {
+        java.lang.Object ref = message_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          message_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>string message = 2;</code>
+       * @return The bytes for message.
+       */
+      public com.google.protobuf.ByteString
+          getMessageBytes() {
+        java.lang.Object ref = message_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          message_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>string message = 2;</code>
+       * @param value The message to set.
+       * @return This builder for chaining.
+       */
+      public Builder setMessage(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  
+        message_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>string message = 2;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearMessage() {
+        
+        message_ = getDefaultInstance().getMessage();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>string message = 2;</code>
+       * @param value The bytes for message to set.
+       * @return This builder for chaining.
+       */
+      public Builder setMessageBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+        
+        message_ = value;
+        onChanged();
+        return this;
+      }
+      @java.lang.Override
+      public final Builder setUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.setUnknownFields(unknownFields);
+      }
+
+      @java.lang.Override
+      public final Builder mergeUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.mergeUnknownFields(unknownFields);
+      }
+
+
+      // @@protoc_insertion_point(builder_scope:com.example.chat.ChatMessage)
+    }
+
+    // @@protoc_insertion_point(class_scope:com.example.chat.ChatMessage)
+    private static final com.example.chat.ChatServiceOuterClass.ChatMessage DEFAULT_INSTANCE;
+    static {
+      DEFAULT_INSTANCE = new com.example.chat.ChatServiceOuterClass.ChatMessage();
+    }
+
+    public static com.example.chat.ChatServiceOuterClass.ChatMessage getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<ChatMessage>
+        PARSER = new com.google.protobuf.AbstractParser<ChatMessage>() {
+      @java.lang.Override
+      public ChatMessage parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new ChatMessage(input, extensionRegistry);
+      }
+    };
+
+    public static com.google.protobuf.Parser<ChatMessage> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<ChatMessage> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.example.chat.ChatServiceOuterClass.ChatMessage getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+
+  }
+
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_com_example_chat_ChatMessage_descriptor;
+  private static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_com_example_chat_ChatMessage_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\021ChatService.proto\022\020com.example.chat\",\n" +
+      "\013ChatMessage\022\014\n\004from\030\001 \001(\t\022\017\n\007message\030\002 " +
+      "\001(\t2W\n\013ChatService\022H\n\004chat\022\035.com.example" +
+      ".chat.ChatMessage\032\035.com.example.chat.Cha" +
+      "tMessage(\0010\001b\006proto3"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+        });
+    internal_static_com_example_chat_ChatMessage_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_com_example_chat_ChatMessage_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_com_example_chat_ChatMessage_descriptor,
+        new java.lang.String[] { "From", "Message", });
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/build/generated/source/proto/main/java/com/example/grpc/GreetingServiceOuterClass.java b/build/generated/source/proto/main/java/com/example/grpc/GreetingServiceOuterClass.java
new file mode 100644
index 0000000000000000000000000000000000000000..99a990bf6d713dfb3bf0577ef37000ca1818ad72
--- /dev/null
+++ b/build/generated/source/proto/main/java/com/example/grpc/GreetingServiceOuterClass.java
@@ -0,0 +1,1546 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: GreetingService.proto
+
+package com.example.grpc;
+
+public final class GreetingServiceOuterClass {
+  private GreetingServiceOuterClass() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  public interface HelloRequestOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:com.example.grpc.HelloRequest)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <pre>
+     * Each message attribute is strongly typed.
+     * You also must assign a "tag" number.
+     * Each tag number is unique within the message.
+     * </pre>
+     *
+     * <code>string name = 1;</code>
+     * @return The name.
+     */
+    java.lang.String getName();
+    /**
+     * <pre>
+     * Each message attribute is strongly typed.
+     * You also must assign a "tag" number.
+     * Each tag number is unique within the message.
+     * </pre>
+     *
+     * <code>string name = 1;</code>
+     * @return The bytes for name.
+     */
+    com.google.protobuf.ByteString
+        getNameBytes();
+
+    /**
+     * <pre>
+     * This defines a strongly typed list of String
+     * </pre>
+     *
+     * <code>repeated string hobbies = 2;</code>
+     * @return A list containing the hobbies.
+     */
+    java.util.List<java.lang.String>
+        getHobbiesList();
+    /**
+     * <pre>
+     * This defines a strongly typed list of String
+     * </pre>
+     *
+     * <code>repeated string hobbies = 2;</code>
+     * @return The count of hobbies.
+     */
+    int getHobbiesCount();
+    /**
+     * <pre>
+     * This defines a strongly typed list of String
+     * </pre>
+     *
+     * <code>repeated string hobbies = 2;</code>
+     * @param index The index of the element to return.
+     * @return The hobbies at the given index.
+     */
+    java.lang.String getHobbies(int index);
+    /**
+     * <pre>
+     * This defines a strongly typed list of String
+     * </pre>
+     *
+     * <code>repeated string hobbies = 2;</code>
+     * @param index The index of the value to return.
+     * @return The bytes of the hobbies at the given index.
+     */
+    com.google.protobuf.ByteString
+        getHobbiesBytes(int index);
+  }
+  /**
+   * <pre>
+   * Request payload
+   * </pre>
+   *
+   * Protobuf type {@code com.example.grpc.HelloRequest}
+   */
+  public  static final class HelloRequest extends
+      com.google.protobuf.GeneratedMessageV3 implements
+      // @@protoc_insertion_point(message_implements:com.example.grpc.HelloRequest)
+      HelloRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+    // Use HelloRequest.newBuilder() to construct.
+    private HelloRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+    private HelloRequest() {
+      name_ = "";
+      hobbies_ = com.google.protobuf.LazyStringArrayList.EMPTY;
+    }
+
+    @java.lang.Override
+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
+      return new HelloRequest();
+    }
+
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+    getUnknownFields() {
+      return this.unknownFields;
+    }
+    private HelloRequest(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      this();
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      int mutable_bitField0_ = 0;
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10: {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              name_ = s;
+              break;
+            }
+            case 18: {
+              java.lang.String s = input.readStringRequireUtf8();
+              if (!((mutable_bitField0_ & 0x00000001) != 0)) {
+                hobbies_ = new com.google.protobuf.LazyStringArrayList();
+                mutable_bitField0_ |= 0x00000001;
+              }
+              hobbies_.add(s);
+              break;
+            }
+            default: {
+              if (!parseUnknownField(
+                  input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e).setUnfinishedMessage(this);
+      } finally {
+        if (((mutable_bitField0_ & 0x00000001) != 0)) {
+          hobbies_ = hobbies_.getUnmodifiableView();
+        }
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.example.grpc.GreetingServiceOuterClass.internal_static_com_example_grpc_HelloRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.example.grpc.GreetingServiceOuterClass.internal_static_com_example_grpc_HelloRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.example.grpc.GreetingServiceOuterClass.HelloRequest.class, com.example.grpc.GreetingServiceOuterClass.HelloRequest.Builder.class);
+    }
+
+    public static final int NAME_FIELD_NUMBER = 1;
+    private volatile java.lang.Object name_;
+    /**
+     * <pre>
+     * Each message attribute is strongly typed.
+     * You also must assign a "tag" number.
+     * Each tag number is unique within the message.
+     * </pre>
+     *
+     * <code>string name = 1;</code>
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      }
+    }
+    /**
+     * <pre>
+     * Each message attribute is strongly typed.
+     * You also must assign a "tag" number.
+     * Each tag number is unique within the message.
+     * </pre>
+     *
+     * <code>string name = 1;</code>
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString
+        getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int HOBBIES_FIELD_NUMBER = 2;
+    private com.google.protobuf.LazyStringList hobbies_;
+    /**
+     * <pre>
+     * This defines a strongly typed list of String
+     * </pre>
+     *
+     * <code>repeated string hobbies = 2;</code>
+     * @return A list containing the hobbies.
+     */
+    public com.google.protobuf.ProtocolStringList
+        getHobbiesList() {
+      return hobbies_;
+    }
+    /**
+     * <pre>
+     * This defines a strongly typed list of String
+     * </pre>
+     *
+     * <code>repeated string hobbies = 2;</code>
+     * @return The count of hobbies.
+     */
+    public int getHobbiesCount() {
+      return hobbies_.size();
+    }
+    /**
+     * <pre>
+     * This defines a strongly typed list of String
+     * </pre>
+     *
+     * <code>repeated string hobbies = 2;</code>
+     * @param index The index of the element to return.
+     * @return The hobbies at the given index.
+     */
+    public java.lang.String getHobbies(int index) {
+      return hobbies_.get(index);
+    }
+    /**
+     * <pre>
+     * This defines a strongly typed list of String
+     * </pre>
+     *
+     * <code>repeated string hobbies = 2;</code>
+     * @param index The index of the value to return.
+     * @return The bytes of the hobbies at the given index.
+     */
+    public com.google.protobuf.ByteString
+        getHobbiesBytes(int index) {
+      return hobbies_.getByteString(index);
+    }
+
+    private byte memoizedIsInitialized = -1;
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      if (!getNameBytes().isEmpty()) {
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+      }
+      for (int i = 0; i < hobbies_.size(); i++) {
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, hobbies_.getRaw(i));
+      }
+      unknownFields.writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!getNameBytes().isEmpty()) {
+        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+      }
+      {
+        int dataSize = 0;
+        for (int i = 0; i < hobbies_.size(); i++) {
+          dataSize += computeStringSizeNoTag(hobbies_.getRaw(i));
+        }
+        size += dataSize;
+        size += 1 * getHobbiesList().size();
+      }
+      size += unknownFields.getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof com.example.grpc.GreetingServiceOuterClass.HelloRequest)) {
+        return super.equals(obj);
+      }
+      com.example.grpc.GreetingServiceOuterClass.HelloRequest other = (com.example.grpc.GreetingServiceOuterClass.HelloRequest) obj;
+
+      if (!getName()
+          .equals(other.getName())) return false;
+      if (!getHobbiesList()
+          .equals(other.getHobbiesList())) return false;
+      if (!unknownFields.equals(other.unknownFields)) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + NAME_FIELD_NUMBER;
+      hash = (53 * hash) + getName().hashCode();
+      if (getHobbiesCount() > 0) {
+        hash = (37 * hash) + HOBBIES_FIELD_NUMBER;
+        hash = (53 * hash) + getHobbiesList().hashCode();
+      }
+      hash = (29 * hash) + unknownFields.hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest parseFrom(
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest parseFrom(
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+    public static Builder newBuilder(com.example.grpc.GreetingServiceOuterClass.HelloRequest prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * <pre>
+     * Request payload
+     * </pre>
+     *
+     * Protobuf type {@code com.example.grpc.HelloRequest}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:com.example.grpc.HelloRequest)
+        com.example.grpc.GreetingServiceOuterClass.HelloRequestOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.example.grpc.GreetingServiceOuterClass.internal_static_com_example_grpc_HelloRequest_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.example.grpc.GreetingServiceOuterClass.internal_static_com_example_grpc_HelloRequest_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.example.grpc.GreetingServiceOuterClass.HelloRequest.class, com.example.grpc.GreetingServiceOuterClass.HelloRequest.Builder.class);
+      }
+
+      // Construct using com.example.grpc.GreetingServiceOuterClass.HelloRequest.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessageV3
+                .alwaysUseFieldBuilders) {
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+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        name_ = "";
+
+        hobbies_ = com.google.protobuf.LazyStringArrayList.EMPTY;
+        bitField0_ = (bitField0_ & ~0x00000001);
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.example.grpc.GreetingServiceOuterClass.internal_static_com_example_grpc_HelloRequest_descriptor;
+      }
+
+      @java.lang.Override
+      public com.example.grpc.GreetingServiceOuterClass.HelloRequest getDefaultInstanceForType() {
+        return com.example.grpc.GreetingServiceOuterClass.HelloRequest.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.example.grpc.GreetingServiceOuterClass.HelloRequest build() {
+        com.example.grpc.GreetingServiceOuterClass.HelloRequest result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.example.grpc.GreetingServiceOuterClass.HelloRequest buildPartial() {
+        com.example.grpc.GreetingServiceOuterClass.HelloRequest result = new com.example.grpc.GreetingServiceOuterClass.HelloRequest(this);
+        int from_bitField0_ = bitField0_;
+        result.name_ = name_;
+        if (((bitField0_ & 0x00000001) != 0)) {
+          hobbies_ = hobbies_.getUnmodifiableView();
+          bitField0_ = (bitField0_ & ~0x00000001);
+        }
+        result.hobbies_ = hobbies_;
+        onBuilt();
+        return result;
+      }
+
+      @java.lang.Override
+      public Builder clone() {
+        return super.clone();
+      }
+      @java.lang.Override
+      public Builder setField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return super.setField(field, value);
+      }
+      @java.lang.Override
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
+        return super.clearField(field);
+      }
+      @java.lang.Override
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+        return super.clearOneof(oneof);
+      }
+      @java.lang.Override
+      public Builder setRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          int index, java.lang.Object value) {
+        return super.setRepeatedField(field, index, value);
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+      @java.lang.Override
+      public Builder addRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return super.addRepeatedField(field, value);
+      }
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.example.grpc.GreetingServiceOuterClass.HelloRequest) {
+          return mergeFrom((com.example.grpc.GreetingServiceOuterClass.HelloRequest)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.example.grpc.GreetingServiceOuterClass.HelloRequest other) {
+        if (other == com.example.grpc.GreetingServiceOuterClass.HelloRequest.getDefaultInstance()) return this;
+        if (!other.getName().isEmpty()) {
+          name_ = other.name_;
+          onChanged();
+        }
+        if (!other.hobbies_.isEmpty()) {
+          if (hobbies_.isEmpty()) {
+            hobbies_ = other.hobbies_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+          } else {
+            ensureHobbiesIsMutable();
+            hobbies_.addAll(other.hobbies_);
+          }
+          onChanged();
+        }
+        this.mergeUnknownFields(other.unknownFields);
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        com.example.grpc.GreetingServiceOuterClass.HelloRequest parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (com.example.grpc.GreetingServiceOuterClass.HelloRequest) e.getUnfinishedMessage();
+          throw e.unwrapIOException();
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      private java.lang.Object name_ = "";
+      /**
+       * <pre>
+       * Each message attribute is strongly typed.
+       * You also must assign a "tag" number.
+       * Each tag number is unique within the message.
+       * </pre>
+       *
+       * <code>string name = 1;</code>
+       * @return The name.
+       */
+      public java.lang.String getName() {
+        java.lang.Object ref = name_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          name_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <pre>
+       * Each message attribute is strongly typed.
+       * You also must assign a "tag" number.
+       * Each tag number is unique within the message.
+       * </pre>
+       *
+       * <code>string name = 1;</code>
+       * @return The bytes for name.
+       */
+      public com.google.protobuf.ByteString
+          getNameBytes() {
+        java.lang.Object ref = name_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          name_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <pre>
+       * Each message attribute is strongly typed.
+       * You also must assign a "tag" number.
+       * Each tag number is unique within the message.
+       * </pre>
+       *
+       * <code>string name = 1;</code>
+       * @param value The name to set.
+       * @return This builder for chaining.
+       */
+      public Builder setName(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  
+        name_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * Each message attribute is strongly typed.
+       * You also must assign a "tag" number.
+       * Each tag number is unique within the message.
+       * </pre>
+       *
+       * <code>string name = 1;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearName() {
+        
+        name_ = getDefaultInstance().getName();
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * Each message attribute is strongly typed.
+       * You also must assign a "tag" number.
+       * Each tag number is unique within the message.
+       * </pre>
+       *
+       * <code>string name = 1;</code>
+       * @param value The bytes for name to set.
+       * @return This builder for chaining.
+       */
+      public Builder setNameBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+        
+        name_ = value;
+        onChanged();
+        return this;
+      }
+
+      private com.google.protobuf.LazyStringList hobbies_ = com.google.protobuf.LazyStringArrayList.EMPTY;
+      private void ensureHobbiesIsMutable() {
+        if (!((bitField0_ & 0x00000001) != 0)) {
+          hobbies_ = new com.google.protobuf.LazyStringArrayList(hobbies_);
+          bitField0_ |= 0x00000001;
+         }
+      }
+      /**
+       * <pre>
+       * This defines a strongly typed list of String
+       * </pre>
+       *
+       * <code>repeated string hobbies = 2;</code>
+       * @return A list containing the hobbies.
+       */
+      public com.google.protobuf.ProtocolStringList
+          getHobbiesList() {
+        return hobbies_.getUnmodifiableView();
+      }
+      /**
+       * <pre>
+       * This defines a strongly typed list of String
+       * </pre>
+       *
+       * <code>repeated string hobbies = 2;</code>
+       * @return The count of hobbies.
+       */
+      public int getHobbiesCount() {
+        return hobbies_.size();
+      }
+      /**
+       * <pre>
+       * This defines a strongly typed list of String
+       * </pre>
+       *
+       * <code>repeated string hobbies = 2;</code>
+       * @param index The index of the element to return.
+       * @return The hobbies at the given index.
+       */
+      public java.lang.String getHobbies(int index) {
+        return hobbies_.get(index);
+      }
+      /**
+       * <pre>
+       * This defines a strongly typed list of String
+       * </pre>
+       *
+       * <code>repeated string hobbies = 2;</code>
+       * @param index The index of the value to return.
+       * @return The bytes of the hobbies at the given index.
+       */
+      public com.google.protobuf.ByteString
+          getHobbiesBytes(int index) {
+        return hobbies_.getByteString(index);
+      }
+      /**
+       * <pre>
+       * This defines a strongly typed list of String
+       * </pre>
+       *
+       * <code>repeated string hobbies = 2;</code>
+       * @param index The index to set the value at.
+       * @param value The hobbies to set.
+       * @return This builder for chaining.
+       */
+      public Builder setHobbies(
+          int index, java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  ensureHobbiesIsMutable();
+        hobbies_.set(index, value);
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * This defines a strongly typed list of String
+       * </pre>
+       *
+       * <code>repeated string hobbies = 2;</code>
+       * @param value The hobbies to add.
+       * @return This builder for chaining.
+       */
+      public Builder addHobbies(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  ensureHobbiesIsMutable();
+        hobbies_.add(value);
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * This defines a strongly typed list of String
+       * </pre>
+       *
+       * <code>repeated string hobbies = 2;</code>
+       * @param values The hobbies to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllHobbies(
+          java.lang.Iterable<java.lang.String> values) {
+        ensureHobbiesIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, hobbies_);
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * This defines a strongly typed list of String
+       * </pre>
+       *
+       * <code>repeated string hobbies = 2;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearHobbies() {
+        hobbies_ = com.google.protobuf.LazyStringArrayList.EMPTY;
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+        return this;
+      }
+      /**
+       * <pre>
+       * This defines a strongly typed list of String
+       * </pre>
+       *
+       * <code>repeated string hobbies = 2;</code>
+       * @param value The bytes of the hobbies to add.
+       * @return This builder for chaining.
+       */
+      public Builder addHobbiesBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+        ensureHobbiesIsMutable();
+        hobbies_.add(value);
+        onChanged();
+        return this;
+      }
+      @java.lang.Override
+      public final Builder setUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.setUnknownFields(unknownFields);
+      }
+
+      @java.lang.Override
+      public final Builder mergeUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.mergeUnknownFields(unknownFields);
+      }
+
+
+      // @@protoc_insertion_point(builder_scope:com.example.grpc.HelloRequest)
+    }
+
+    // @@protoc_insertion_point(class_scope:com.example.grpc.HelloRequest)
+    private static final com.example.grpc.GreetingServiceOuterClass.HelloRequest DEFAULT_INSTANCE;
+    static {
+      DEFAULT_INSTANCE = new com.example.grpc.GreetingServiceOuterClass.HelloRequest();
+    }
+
+    public static com.example.grpc.GreetingServiceOuterClass.HelloRequest getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<HelloRequest>
+        PARSER = new com.google.protobuf.AbstractParser<HelloRequest>() {
+      @java.lang.Override
+      public HelloRequest parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new HelloRequest(input, extensionRegistry);
+      }
+    };
+
+    public static com.google.protobuf.Parser<HelloRequest> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<HelloRequest> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.example.grpc.GreetingServiceOuterClass.HelloRequest getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+
+  }
+
+  public interface HelloResponseOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:com.example.grpc.HelloResponse)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>string greeting = 1;</code>
+     * @return The greeting.
+     */
+    java.lang.String getGreeting();
+    /**
+     * <code>string greeting = 1;</code>
+     * @return The bytes for greeting.
+     */
+    com.google.protobuf.ByteString
+        getGreetingBytes();
+  }
+  /**
+   * Protobuf type {@code com.example.grpc.HelloResponse}
+   */
+  public  static final class HelloResponse extends
+      com.google.protobuf.GeneratedMessageV3 implements
+      // @@protoc_insertion_point(message_implements:com.example.grpc.HelloResponse)
+      HelloResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+    // Use HelloResponse.newBuilder() to construct.
+    private HelloResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+    private HelloResponse() {
+      greeting_ = "";
+    }
+
+    @java.lang.Override
+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
+      return new HelloResponse();
+    }
+
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+    getUnknownFields() {
+      return this.unknownFields;
+    }
+    private HelloResponse(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      this();
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
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+      try {
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+        while (!done) {
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+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10: {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              greeting_ = s;
+              break;
+            }
+            default: {
+              if (!parseUnknownField(
+                  input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
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+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.example.grpc.GreetingServiceOuterClass.internal_static_com_example_grpc_HelloResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.example.grpc.GreetingServiceOuterClass.internal_static_com_example_grpc_HelloResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.example.grpc.GreetingServiceOuterClass.HelloResponse.class, com.example.grpc.GreetingServiceOuterClass.HelloResponse.Builder.class);
+    }
+
+    public static final int GREETING_FIELD_NUMBER = 1;
+    private volatile java.lang.Object greeting_;
+    /**
+     * <code>string greeting = 1;</code>
+     * @return The greeting.
+     */
+    public java.lang.String getGreeting() {
+      java.lang.Object ref = greeting_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        greeting_ = s;
+        return s;
+      }
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+    /**
+     * <code>string greeting = 1;</code>
+     * @return The bytes for greeting.
+     */
+    public com.google.protobuf.ByteString
+        getGreetingBytes() {
+      java.lang.Object ref = greeting_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        greeting_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    private byte memoizedIsInitialized = -1;
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      if (!getGreetingBytes().isEmpty()) {
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, greeting_);
+      }
+      unknownFields.writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (!getGreetingBytes().isEmpty()) {
+        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, greeting_);
+      }
+      size += unknownFields.getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof com.example.grpc.GreetingServiceOuterClass.HelloResponse)) {
+        return super.equals(obj);
+      }
+      com.example.grpc.GreetingServiceOuterClass.HelloResponse other = (com.example.grpc.GreetingServiceOuterClass.HelloResponse) obj;
+
+      if (!getGreeting()
+          .equals(other.getGreeting())) return false;
+      if (!unknownFields.equals(other.unknownFields)) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + GREETING_FIELD_NUMBER;
+      hash = (53 * hash) + getGreeting().hashCode();
+      hash = (29 * hash) + unknownFields.hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse parseFrom(
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse parseFrom(
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+    public static Builder newBuilder(com.example.grpc.GreetingServiceOuterClass.HelloResponse prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code com.example.grpc.HelloResponse}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:com.example.grpc.HelloResponse)
+        com.example.grpc.GreetingServiceOuterClass.HelloResponseOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.example.grpc.GreetingServiceOuterClass.internal_static_com_example_grpc_HelloResponse_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.example.grpc.GreetingServiceOuterClass.internal_static_com_example_grpc_HelloResponse_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.example.grpc.GreetingServiceOuterClass.HelloResponse.class, com.example.grpc.GreetingServiceOuterClass.HelloResponse.Builder.class);
+      }
+
+      // Construct using com.example.grpc.GreetingServiceOuterClass.HelloResponse.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessageV3
+                .alwaysUseFieldBuilders) {
+        }
+      }
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        greeting_ = "";
+
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.example.grpc.GreetingServiceOuterClass.internal_static_com_example_grpc_HelloResponse_descriptor;
+      }
+
+      @java.lang.Override
+      public com.example.grpc.GreetingServiceOuterClass.HelloResponse getDefaultInstanceForType() {
+        return com.example.grpc.GreetingServiceOuterClass.HelloResponse.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.example.grpc.GreetingServiceOuterClass.HelloResponse build() {
+        com.example.grpc.GreetingServiceOuterClass.HelloResponse result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.example.grpc.GreetingServiceOuterClass.HelloResponse buildPartial() {
+        com.example.grpc.GreetingServiceOuterClass.HelloResponse result = new com.example.grpc.GreetingServiceOuterClass.HelloResponse(this);
+        result.greeting_ = greeting_;
+        onBuilt();
+        return result;
+      }
+
+      @java.lang.Override
+      public Builder clone() {
+        return super.clone();
+      }
+      @java.lang.Override
+      public Builder setField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return super.setField(field, value);
+      }
+      @java.lang.Override
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
+        return super.clearField(field);
+      }
+      @java.lang.Override
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+        return super.clearOneof(oneof);
+      }
+      @java.lang.Override
+      public Builder setRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          int index, java.lang.Object value) {
+        return super.setRepeatedField(field, index, value);
+      }
+      @java.lang.Override
+      public Builder addRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return super.addRepeatedField(field, value);
+      }
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.example.grpc.GreetingServiceOuterClass.HelloResponse) {
+          return mergeFrom((com.example.grpc.GreetingServiceOuterClass.HelloResponse)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.example.grpc.GreetingServiceOuterClass.HelloResponse other) {
+        if (other == com.example.grpc.GreetingServiceOuterClass.HelloResponse.getDefaultInstance()) return this;
+        if (!other.getGreeting().isEmpty()) {
+          greeting_ = other.greeting_;
+          onChanged();
+        }
+        this.mergeUnknownFields(other.unknownFields);
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        com.example.grpc.GreetingServiceOuterClass.HelloResponse parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (com.example.grpc.GreetingServiceOuterClass.HelloResponse) e.getUnfinishedMessage();
+          throw e.unwrapIOException();
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+
+      private java.lang.Object greeting_ = "";
+      /**
+       * <code>string greeting = 1;</code>
+       * @return The greeting.
+       */
+      public java.lang.String getGreeting() {
+        java.lang.Object ref = greeting_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          greeting_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>string greeting = 1;</code>
+       * @return The bytes for greeting.
+       */
+      public com.google.protobuf.ByteString
+          getGreetingBytes() {
+        java.lang.Object ref = greeting_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          greeting_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>string greeting = 1;</code>
+       * @param value The greeting to set.
+       * @return This builder for chaining.
+       */
+      public Builder setGreeting(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  
+        greeting_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>string greeting = 1;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearGreeting() {
+        
+        greeting_ = getDefaultInstance().getGreeting();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>string greeting = 1;</code>
+       * @param value The bytes for greeting to set.
+       * @return This builder for chaining.
+       */
+      public Builder setGreetingBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  checkByteStringIsUtf8(value);
+        
+        greeting_ = value;
+        onChanged();
+        return this;
+      }
+      @java.lang.Override
+      public final Builder setUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.setUnknownFields(unknownFields);
+      }
+
+      @java.lang.Override
+      public final Builder mergeUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.mergeUnknownFields(unknownFields);
+      }
+
+
+      // @@protoc_insertion_point(builder_scope:com.example.grpc.HelloResponse)
+    }
+
+    // @@protoc_insertion_point(class_scope:com.example.grpc.HelloResponse)
+    private static final com.example.grpc.GreetingServiceOuterClass.HelloResponse DEFAULT_INSTANCE;
+    static {
+      DEFAULT_INSTANCE = new com.example.grpc.GreetingServiceOuterClass.HelloResponse();
+    }
+
+    public static com.example.grpc.GreetingServiceOuterClass.HelloResponse getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser<HelloResponse>
+        PARSER = new com.google.protobuf.AbstractParser<HelloResponse>() {
+      @java.lang.Override
+      public HelloResponse parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new HelloResponse(input, extensionRegistry);
+      }
+    };
+
+    public static com.google.protobuf.Parser<HelloResponse> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<HelloResponse> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.example.grpc.GreetingServiceOuterClass.HelloResponse getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+
+  }
+
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_com_example_grpc_HelloRequest_descriptor;
+  private static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_com_example_grpc_HelloRequest_fieldAccessorTable;
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_com_example_grpc_HelloResponse_descriptor;
+  private static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_com_example_grpc_HelloResponse_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\025GreetingService.proto\022\020com.example.grp" +
+      "c\"-\n\014HelloRequest\022\014\n\004name\030\001 \001(\t\022\017\n\007hobbi" +
+      "es\030\002 \003(\t\"!\n\rHelloResponse\022\020\n\010greeting\030\001 " +
+      "\001(\t2\263\001\n\017GreetingService\022K\n\010greeting\022\036.co" +
+      "m.example.grpc.HelloRequest\032\037.com.exampl" +
+      "e.grpc.HelloResponse\022S\n\016streamGreeting\022\036" +
+      ".com.example.grpc.HelloRequest\032\037.com.exa" +
+      "mple.grpc.HelloResponse0\001b\006proto3"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+        });
+    internal_static_com_example_grpc_HelloRequest_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_com_example_grpc_HelloRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_com_example_grpc_HelloRequest_descriptor,
+        new java.lang.String[] { "Name", "Hobbies", });
+    internal_static_com_example_grpc_HelloResponse_descriptor =
+      getDescriptor().getMessageTypes().get(1);
+    internal_static_com_example_grpc_HelloResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_com_example_grpc_HelloResponse_descriptor,
+        new java.lang.String[] { "Greeting", });
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/build/generated/source/proto/main/java/it/ewlab/actor/ActorOuterClass.java b/build/generated/source/proto/main/java/it/ewlab/actor/ActorOuterClass.java
new file mode 100644
index 0000000000000000000000000000000000000000..4cd7d5357fc4db912c144ca59f62bd1d6eaa196c
--- /dev/null
+++ b/build/generated/source/proto/main/java/it/ewlab/actor/ActorOuterClass.java
@@ -0,0 +1,2153 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: Actor.proto
+
+package it.ewlab.actor;
+
+public final class ActorOuterClass {
+  private ActorOuterClass() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  public interface ActorOrBuilder extends
+      // @@protoc_insertion_point(interface_extends:it.ewlab.actor.Actor)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     * <code>required string name = 1;</code>
+     * @return Whether the name field is set.
+     */
+    boolean hasName();
+    /**
+     * <code>required string name = 1;</code>
+     * @return The name.
+     */
+    java.lang.String getName();
+    /**
+     * <code>required string name = 1;</code>
+     * @return The bytes for name.
+     */
+    com.google.protobuf.ByteString
+        getNameBytes();
+
+    /**
+     * <code>required string surname = 2;</code>
+     * @return Whether the surname field is set.
+     */
+    boolean hasSurname();
+    /**
+     * <code>required string surname = 2;</code>
+     * @return The surname.
+     */
+    java.lang.String getSurname();
+    /**
+     * <code>required string surname = 2;</code>
+     * @return The bytes for surname.
+     */
+    com.google.protobuf.ByteString
+        getSurnameBytes();
+
+    /**
+     * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+     */
+    java.util.List<it.ewlab.actor.ActorOuterClass.Actor.Movie> 
+        getMovieList();
+    /**
+     * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+     */
+    it.ewlab.actor.ActorOuterClass.Actor.Movie getMovie(int index);
+    /**
+     * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+     */
+    int getMovieCount();
+    /**
+     * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+     */
+    java.util.List<? extends it.ewlab.actor.ActorOuterClass.Actor.MovieOrBuilder> 
+        getMovieOrBuilderList();
+    /**
+     * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+     */
+    it.ewlab.actor.ActorOuterClass.Actor.MovieOrBuilder getMovieOrBuilder(
+        int index);
+
+    /**
+     * <code>optional .it.ewlab.actor.Actor.Sex sex = 4;</code>
+     * @return Whether the sex field is set.
+     */
+    boolean hasSex();
+    /**
+     * <code>optional .it.ewlab.actor.Actor.Sex sex = 4;</code>
+     * @return The sex.
+     */
+    it.ewlab.actor.ActorOuterClass.Actor.Sex getSex();
+  }
+  /**
+   * Protobuf type {@code it.ewlab.actor.Actor}
+   */
+  public  static final class Actor extends
+      com.google.protobuf.GeneratedMessageV3 implements
+      // @@protoc_insertion_point(message_implements:it.ewlab.actor.Actor)
+      ActorOrBuilder {
+  private static final long serialVersionUID = 0L;
+    // Use Actor.newBuilder() to construct.
+    private Actor(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+      super(builder);
+    }
+    private Actor() {
+      name_ = "";
+      surname_ = "";
+      movie_ = java.util.Collections.emptyList();
+      sex_ = 0;
+    }
+
+    @java.lang.Override
+    @SuppressWarnings({"unused"})
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
+      return new Actor();
+    }
+
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+    getUnknownFields() {
+      return this.unknownFields;
+    }
+    private Actor(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      this();
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      int mutable_bitField0_ = 0;
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10: {
+              com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000001;
+              name_ = bs;
+              break;
+            }
+            case 18: {
+              com.google.protobuf.ByteString bs = input.readBytes();
+              bitField0_ |= 0x00000002;
+              surname_ = bs;
+              break;
+            }
+            case 26: {
+              if (!((mutable_bitField0_ & 0x00000004) != 0)) {
+                movie_ = new java.util.ArrayList<it.ewlab.actor.ActorOuterClass.Actor.Movie>();
+                mutable_bitField0_ |= 0x00000004;
+              }
+              movie_.add(
+                  input.readMessage(it.ewlab.actor.ActorOuterClass.Actor.Movie.PARSER, extensionRegistry));
+              break;
+            }
+            case 32: {
+              int rawValue = input.readEnum();
+                @SuppressWarnings("deprecation")
+              it.ewlab.actor.ActorOuterClass.Actor.Sex value = it.ewlab.actor.ActorOuterClass.Actor.Sex.valueOf(rawValue);
+              if (value == null) {
+                unknownFields.mergeVarintField(4, rawValue);
+              } else {
+                bitField0_ |= 0x00000004;
+                sex_ = rawValue;
+              }
+              break;
+            }
+            default: {
+              if (!parseUnknownField(
+                  input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e).setUnfinishedMessage(this);
+      } finally {
+        if (((mutable_bitField0_ & 0x00000004) != 0)) {
+          movie_ = java.util.Collections.unmodifiableList(movie_);
+        }
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return it.ewlab.actor.ActorOuterClass.internal_static_it_ewlab_actor_Actor_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return it.ewlab.actor.ActorOuterClass.internal_static_it_ewlab_actor_Actor_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              it.ewlab.actor.ActorOuterClass.Actor.class, it.ewlab.actor.ActorOuterClass.Actor.Builder.class);
+    }
+
+    /**
+     * Protobuf enum {@code it.ewlab.actor.Actor.Sex}
+     */
+    public enum Sex
+        implements com.google.protobuf.ProtocolMessageEnum {
+      /**
+       * <code>MALE = 0;</code>
+       */
+      MALE(0),
+      /**
+       * <code>FEMALE = 1;</code>
+       */
+      FEMALE(1),
+      ;
+
+      /**
+       * <code>MALE = 0;</code>
+       */
+      public static final int MALE_VALUE = 0;
+      /**
+       * <code>FEMALE = 1;</code>
+       */
+      public static final int FEMALE_VALUE = 1;
+
+
+      public final int getNumber() {
+        return value;
+      }
+
+      /**
+       * @param value The numeric wire value of the corresponding enum entry.
+       * @return The enum associated with the given numeric wire value.
+       * @deprecated Use {@link #forNumber(int)} instead.
+       */
+      @java.lang.Deprecated
+      public static Sex valueOf(int value) {
+        return forNumber(value);
+      }
+
+      /**
+       * @param value The numeric wire value of the corresponding enum entry.
+       * @return The enum associated with the given numeric wire value.
+       */
+      public static Sex forNumber(int value) {
+        switch (value) {
+          case 0: return MALE;
+          case 1: return FEMALE;
+          default: return null;
+        }
+      }
+
+      public static com.google.protobuf.Internal.EnumLiteMap<Sex>
+          internalGetValueMap() {
+        return internalValueMap;
+      }
+      private static final com.google.protobuf.Internal.EnumLiteMap<
+          Sex> internalValueMap =
+            new com.google.protobuf.Internal.EnumLiteMap<Sex>() {
+              public Sex findValueByNumber(int number) {
+                return Sex.forNumber(number);
+              }
+            };
+
+      public final com.google.protobuf.Descriptors.EnumValueDescriptor
+          getValueDescriptor() {
+        return getDescriptor().getValues().get(ordinal());
+      }
+      public final com.google.protobuf.Descriptors.EnumDescriptor
+          getDescriptorForType() {
+        return getDescriptor();
+      }
+      public static final com.google.protobuf.Descriptors.EnumDescriptor
+          getDescriptor() {
+        return it.ewlab.actor.ActorOuterClass.Actor.getDescriptor().getEnumTypes().get(0);
+      }
+
+      private static final Sex[] VALUES = values();
+
+      public static Sex valueOf(
+          com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+        if (desc.getType() != getDescriptor()) {
+          throw new java.lang.IllegalArgumentException(
+            "EnumValueDescriptor is not for this type.");
+        }
+        return VALUES[desc.getIndex()];
+      }
+
+      private final int value;
+
+      private Sex(int value) {
+        this.value = value;
+      }
+
+      // @@protoc_insertion_point(enum_scope:it.ewlab.actor.Actor.Sex)
+    }
+
+    public interface MovieOrBuilder extends
+        // @@protoc_insertion_point(interface_extends:it.ewlab.actor.Actor.Movie)
+        com.google.protobuf.MessageOrBuilder {
+
+      /**
+       * <code>required string title = 1;</code>
+       * @return Whether the title field is set.
+       */
+      boolean hasTitle();
+      /**
+       * <code>required string title = 1;</code>
+       * @return The title.
+       */
+      java.lang.String getTitle();
+      /**
+       * <code>required string title = 1;</code>
+       * @return The bytes for title.
+       */
+      com.google.protobuf.ByteString
+          getTitleBytes();
+
+      /**
+       * <code>required int32 year = 2;</code>
+       * @return Whether the year field is set.
+       */
+      boolean hasYear();
+      /**
+       * <code>required int32 year = 2;</code>
+       * @return The year.
+       */
+      int getYear();
+    }
+    /**
+     * Protobuf type {@code it.ewlab.actor.Actor.Movie}
+     */
+    public  static final class Movie extends
+        com.google.protobuf.GeneratedMessageV3 implements
+        // @@protoc_insertion_point(message_implements:it.ewlab.actor.Actor.Movie)
+        MovieOrBuilder {
+    private static final long serialVersionUID = 0L;
+      // Use Movie.newBuilder() to construct.
+      private Movie(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+        super(builder);
+      }
+      private Movie() {
+        title_ = "";
+      }
+
+      @java.lang.Override
+      @SuppressWarnings({"unused"})
+      protected java.lang.Object newInstance(
+          UnusedPrivateParameter unused) {
+        return new Movie();
+      }
+
+      @java.lang.Override
+      public final com.google.protobuf.UnknownFieldSet
+      getUnknownFields() {
+        return this.unknownFields;
+      }
+      private Movie(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        this();
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        int mutable_bitField0_ = 0;
+        com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+            com.google.protobuf.UnknownFieldSet.newBuilder();
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10: {
+                com.google.protobuf.ByteString bs = input.readBytes();
+                bitField0_ |= 0x00000001;
+                title_ = bs;
+                break;
+              }
+              case 16: {
+                bitField0_ |= 0x00000002;
+                year_ = input.readInt32();
+                break;
+              }
+              default: {
+                if (!parseUnknownField(
+                    input, unknownFields, extensionRegistry, tag)) {
+                  done = true;
+                }
+                break;
+              }
+            }
+          }
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.setUnfinishedMessage(this);
+        } catch (java.io.IOException e) {
+          throw new com.google.protobuf.InvalidProtocolBufferException(
+              e).setUnfinishedMessage(this);
+        } finally {
+          this.unknownFields = unknownFields.build();
+          makeExtensionsImmutable();
+        }
+      }
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return it.ewlab.actor.ActorOuterClass.internal_static_it_ewlab_actor_Actor_Movie_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return it.ewlab.actor.ActorOuterClass.internal_static_it_ewlab_actor_Actor_Movie_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                it.ewlab.actor.ActorOuterClass.Actor.Movie.class, it.ewlab.actor.ActorOuterClass.Actor.Movie.Builder.class);
+      }
+
+      private int bitField0_;
+      public static final int TITLE_FIELD_NUMBER = 1;
+      private volatile java.lang.Object title_;
+      /**
+       * <code>required string title = 1;</code>
+       * @return Whether the title field is set.
+       */
+      public boolean hasTitle() {
+        return ((bitField0_ & 0x00000001) != 0);
+      }
+      /**
+       * <code>required string title = 1;</code>
+       * @return The title.
+       */
+      public java.lang.String getTitle() {
+        java.lang.Object ref = title_;
+        if (ref instanceof java.lang.String) {
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+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
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+          com.google.protobuf.ByteString data)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+      public static it.ewlab.actor.ActorOuterClass.Actor.Movie parseFrom(
+          com.google.protobuf.ByteString data,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
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+      public static it.ewlab.actor.ActorOuterClass.Actor.Movie parseFrom(byte[] data)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+      public static it.ewlab.actor.ActorOuterClass.Actor.Movie parseFrom(
+          byte[] data,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
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+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessageV3
+            .parseWithIOException(PARSER, input, extensionRegistry);
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+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessageV3
+            .parseDelimitedWithIOException(PARSER, input);
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+      public static it.ewlab.actor.ActorOuterClass.Actor.Movie parseDelimitedFrom(
+          java.io.InputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessageV3
+            .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
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+      public static it.ewlab.actor.ActorOuterClass.Actor.Movie parseFrom(
+          com.google.protobuf.CodedInputStream input)
+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessageV3
+            .parseWithIOException(PARSER, input);
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+      public static it.ewlab.actor.ActorOuterClass.Actor.Movie parseFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessageV3
+            .parseWithIOException(PARSER, input, extensionRegistry);
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+      @java.lang.Override
+      public Builder newBuilderForType() { return newBuilder(); }
+      public static Builder newBuilder() {
+        return DEFAULT_INSTANCE.toBuilder();
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+      public static Builder newBuilder(it.ewlab.actor.ActorOuterClass.Actor.Movie prototype) {
+        return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+      }
+      @java.lang.Override
+      public Builder toBuilder() {
+        return this == DEFAULT_INSTANCE
+            ? new Builder() : new Builder().mergeFrom(this);
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+      @java.lang.Override
+      protected Builder newBuilderForType(
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+      /**
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+       */
+      public static final class Builder extends
+          com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+          // @@protoc_insertion_point(builder_implements:it.ewlab.actor.Actor.Movie)
+          it.ewlab.actor.ActorOuterClass.Actor.MovieOrBuilder {
+        public static final com.google.protobuf.Descriptors.Descriptor
+            getDescriptor() {
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+        }
+
+        @java.lang.Override
+        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
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+        }
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+        // Construct using it.ewlab.actor.ActorOuterClass.Actor.Movie.newBuilder()
+        private Builder() {
+          maybeForceBuilderInitialization();
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+        private Builder(
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+                  .alwaysUseFieldBuilders) {
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+        @java.lang.Override
+        public Builder clear() {
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+          title_ = "";
+          bitField0_ = (bitField0_ & ~0x00000001);
+          year_ = 0;
+          bitField0_ = (bitField0_ & ~0x00000002);
+          return this;
+        }
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+        @java.lang.Override
+        public com.google.protobuf.Descriptors.Descriptor
+            getDescriptorForType() {
+          return it.ewlab.actor.ActorOuterClass.internal_static_it_ewlab_actor_Actor_Movie_descriptor;
+        }
+
+        @java.lang.Override
+        public it.ewlab.actor.ActorOuterClass.Actor.Movie getDefaultInstanceForType() {
+          return it.ewlab.actor.ActorOuterClass.Actor.Movie.getDefaultInstance();
+        }
+
+        @java.lang.Override
+        public it.ewlab.actor.ActorOuterClass.Actor.Movie build() {
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+          if (!result.isInitialized()) {
+            throw newUninitializedMessageException(result);
+          }
+          return result;
+        }
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+        @java.lang.Override
+        public it.ewlab.actor.ActorOuterClass.Actor.Movie buildPartial() {
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+          onBuilt();
+          return result;
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+        public Builder clone() {
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+        @java.lang.Override
+        public Builder setField(
+            com.google.protobuf.Descriptors.FieldDescriptor field,
+            java.lang.Object value) {
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+        @java.lang.Override
+        public Builder clearField(
+            com.google.protobuf.Descriptors.FieldDescriptor field) {
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+        @java.lang.Override
+        public Builder clearOneof(
+            com.google.protobuf.Descriptors.OneofDescriptor oneof) {
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+        public Builder setRepeatedField(
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+            com.google.protobuf.Descriptors.FieldDescriptor field,
+            java.lang.Object value) {
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+        @java.lang.Override
+        public Builder mergeFrom(com.google.protobuf.Message other) {
+          if (other instanceof it.ewlab.actor.ActorOuterClass.Actor.Movie) {
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+            return this;
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+        public Builder mergeFrom(it.ewlab.actor.ActorOuterClass.Actor.Movie other) {
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+          if (other.hasTitle()) {
+            bitField0_ |= 0x00000001;
+            title_ = other.title_;
+            onChanged();
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+          if (other.hasYear()) {
+            setYear(other.getYear());
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+          this.mergeUnknownFields(other.unknownFields);
+          onChanged();
+          return this;
+        }
+
+        @java.lang.Override
+        public final boolean isInitialized() {
+          if (!hasTitle()) {
+            return false;
+          }
+          if (!hasYear()) {
+            return false;
+          }
+          return true;
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+
+        @java.lang.Override
+        public Builder mergeFrom(
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+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
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+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            parsedMessage = (it.ewlab.actor.ActorOuterClass.Actor.Movie) e.getUnfinishedMessage();
+            throw e.unwrapIOException();
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+              mergeFrom(parsedMessage);
+            }
+          }
+          return this;
+        }
+        private int bitField0_;
+
+        private java.lang.Object title_ = "";
+        /**
+         * <code>required string title = 1;</code>
+         * @return Whether the title field is set.
+         */
+        public boolean hasTitle() {
+          return ((bitField0_ & 0x00000001) != 0);
+        }
+        /**
+         * <code>required string title = 1;</code>
+         * @return The title.
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+            if (bs.isValidUtf8()) {
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+            return s;
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+        /**
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+         * @return The bytes for title.
+         */
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+          if (ref instanceof String) {
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+                    (java.lang.String) ref);
+            title_ = b;
+            return b;
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+            return (com.google.protobuf.ByteString) ref;
+          }
+        }
+        /**
+         * <code>required string title = 1;</code>
+         * @param value The title to set.
+         * @return This builder for chaining.
+         */
+        public Builder setTitle(
+            java.lang.String value) {
+          if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+          title_ = value;
+          onChanged();
+          return this;
+        }
+        /**
+         * <code>required string title = 1;</code>
+         * @return This builder for chaining.
+         */
+        public Builder clearTitle() {
+          bitField0_ = (bitField0_ & ~0x00000001);
+          title_ = getDefaultInstance().getTitle();
+          onChanged();
+          return this;
+        }
+        /**
+         * <code>required string title = 1;</code>
+         * @param value The bytes for title to set.
+         * @return This builder for chaining.
+         */
+        public Builder setTitleBytes(
+            com.google.protobuf.ByteString value) {
+          if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+          title_ = value;
+          onChanged();
+          return this;
+        }
+
+        private int year_ ;
+        /**
+         * <code>required int32 year = 2;</code>
+         * @return Whether the year field is set.
+         */
+        public boolean hasYear() {
+          return ((bitField0_ & 0x00000002) != 0);
+        }
+        /**
+         * <code>required int32 year = 2;</code>
+         * @return The year.
+         */
+        public int getYear() {
+          return year_;
+        }
+        /**
+         * <code>required int32 year = 2;</code>
+         * @param value The year to set.
+         * @return This builder for chaining.
+         */
+        public Builder setYear(int value) {
+          bitField0_ |= 0x00000002;
+          year_ = value;
+          onChanged();
+          return this;
+        }
+        /**
+         * <code>required int32 year = 2;</code>
+         * @return This builder for chaining.
+         */
+        public Builder clearYear() {
+          bitField0_ = (bitField0_ & ~0x00000002);
+          year_ = 0;
+          onChanged();
+          return this;
+        }
+        @java.lang.Override
+        public final Builder setUnknownFields(
+            final com.google.protobuf.UnknownFieldSet unknownFields) {
+          return super.setUnknownFields(unknownFields);
+        }
+
+        @java.lang.Override
+        public final Builder mergeUnknownFields(
+            final com.google.protobuf.UnknownFieldSet unknownFields) {
+          return super.mergeUnknownFields(unknownFields);
+        }
+
+
+        // @@protoc_insertion_point(builder_scope:it.ewlab.actor.Actor.Movie)
+      }
+
+      // @@protoc_insertion_point(class_scope:it.ewlab.actor.Actor.Movie)
+      private static final it.ewlab.actor.ActorOuterClass.Actor.Movie DEFAULT_INSTANCE;
+      static {
+        DEFAULT_INSTANCE = new it.ewlab.actor.ActorOuterClass.Actor.Movie();
+      }
+
+      public static it.ewlab.actor.ActorOuterClass.Actor.Movie getDefaultInstance() {
+        return DEFAULT_INSTANCE;
+      }
+
+      @java.lang.Deprecated public static final com.google.protobuf.Parser<Movie>
+          PARSER = new com.google.protobuf.AbstractParser<Movie>() {
+        @java.lang.Override
+        public Movie parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new Movie(input, extensionRegistry);
+        }
+      };
+
+      public static com.google.protobuf.Parser<Movie> parser() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Parser<Movie> getParserForType() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public it.ewlab.actor.ActorOuterClass.Actor.Movie getDefaultInstanceForType() {
+        return DEFAULT_INSTANCE;
+      }
+
+    }
+
+    private int bitField0_;
+    public static final int NAME_FIELD_NUMBER = 1;
+    private volatile java.lang.Object name_;
+    /**
+     * <code>required string name = 1;</code>
+     * @return Whether the name field is set.
+     */
+    public boolean hasName() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+    /**
+     * <code>required string name = 1;</code>
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          name_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>required string name = 1;</code>
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString
+        getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int SURNAME_FIELD_NUMBER = 2;
+    private volatile java.lang.Object surname_;
+    /**
+     * <code>required string surname = 2;</code>
+     * @return Whether the surname field is set.
+     */
+    public boolean hasSurname() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+    /**
+     * <code>required string surname = 2;</code>
+     * @return The surname.
+     */
+    public java.lang.String getSurname() {
+      java.lang.Object ref = surname_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          surname_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>required string surname = 2;</code>
+     * @return The bytes for surname.
+     */
+    public com.google.protobuf.ByteString
+        getSurnameBytes() {
+      java.lang.Object ref = surname_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        surname_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int MOVIE_FIELD_NUMBER = 3;
+    private java.util.List<it.ewlab.actor.ActorOuterClass.Actor.Movie> movie_;
+    /**
+     * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+     */
+    public java.util.List<it.ewlab.actor.ActorOuterClass.Actor.Movie> getMovieList() {
+      return movie_;
+    }
+    /**
+     * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+     */
+    public java.util.List<? extends it.ewlab.actor.ActorOuterClass.Actor.MovieOrBuilder> 
+        getMovieOrBuilderList() {
+      return movie_;
+    }
+    /**
+     * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+     */
+    public int getMovieCount() {
+      return movie_.size();
+    }
+    /**
+     * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+     */
+    public it.ewlab.actor.ActorOuterClass.Actor.Movie getMovie(int index) {
+      return movie_.get(index);
+    }
+    /**
+     * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+     */
+    public it.ewlab.actor.ActorOuterClass.Actor.MovieOrBuilder getMovieOrBuilder(
+        int index) {
+      return movie_.get(index);
+    }
+
+    public static final int SEX_FIELD_NUMBER = 4;
+    private int sex_;
+    /**
+     * <code>optional .it.ewlab.actor.Actor.Sex sex = 4;</code>
+     * @return Whether the sex field is set.
+     */
+    public boolean hasSex() {
+      return ((bitField0_ & 0x00000004) != 0);
+    }
+    /**
+     * <code>optional .it.ewlab.actor.Actor.Sex sex = 4;</code>
+     * @return The sex.
+     */
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+      @SuppressWarnings("deprecation")
+      it.ewlab.actor.ActorOuterClass.Actor.Sex result = it.ewlab.actor.ActorOuterClass.Actor.Sex.valueOf(sex_);
+      return result == null ? it.ewlab.actor.ActorOuterClass.Actor.Sex.MALE : result;
+    }
+
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+    @java.lang.Override
+    public final boolean isInitialized() {
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+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      if (!hasName()) {
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+        return false;
+      }
+      if (!hasSurname()) {
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+        return false;
+      }
+      for (int i = 0; i < getMovieCount(); i++) {
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+          return false;
+        }
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+      return true;
+    }
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+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
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+
+    @java.lang.Override
+    public int getSerializedSize() {
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+      if (size != -1) return size;
+
+      size = 0;
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+          .computeEnumSize(4, sex_);
+      }
+      size += unknownFields.getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof it.ewlab.actor.ActorOuterClass.Actor)) {
+        return super.equals(obj);
+      }
+      it.ewlab.actor.ActorOuterClass.Actor other = (it.ewlab.actor.ActorOuterClass.Actor) obj;
+
+      if (hasName() != other.hasName()) return false;
+      if (hasName()) {
+        if (!getName()
+            .equals(other.getName())) return false;
+      }
+      if (hasSurname() != other.hasSurname()) return false;
+      if (hasSurname()) {
+        if (!getSurname()
+            .equals(other.getSurname())) return false;
+      }
+      if (!getMovieList()
+          .equals(other.getMovieList())) return false;
+      if (hasSex() != other.hasSex()) return false;
+      if (hasSex()) {
+        if (sex_ != other.sex_) return false;
+      }
+      if (!unknownFields.equals(other.unknownFields)) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (hasName()) {
+        hash = (37 * hash) + NAME_FIELD_NUMBER;
+        hash = (53 * hash) + getName().hashCode();
+      }
+      if (hasSurname()) {
+        hash = (37 * hash) + SURNAME_FIELD_NUMBER;
+        hash = (53 * hash) + getSurname().hashCode();
+      }
+      if (getMovieCount() > 0) {
+        hash = (37 * hash) + MOVIE_FIELD_NUMBER;
+        hash = (53 * hash) + getMovieList().hashCode();
+      }
+      if (hasSex()) {
+        hash = (37 * hash) + SEX_FIELD_NUMBER;
+        hash = (53 * hash) + sex_;
+      }
+      hash = (29 * hash) + unknownFields.hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static it.ewlab.actor.ActorOuterClass.Actor parseFrom(
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static it.ewlab.actor.ActorOuterClass.Actor parseFrom(
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static it.ewlab.actor.ActorOuterClass.Actor parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static it.ewlab.actor.ActorOuterClass.Actor parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static it.ewlab.actor.ActorOuterClass.Actor parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static it.ewlab.actor.ActorOuterClass.Actor parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static it.ewlab.actor.ActorOuterClass.Actor parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static it.ewlab.actor.ActorOuterClass.Actor parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static it.ewlab.actor.ActorOuterClass.Actor parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
+    }
+    public static it.ewlab.actor.ActorOuterClass.Actor parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+    }
+    public static it.ewlab.actor.ActorOuterClass.Actor parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
+    }
+    public static it.ewlab.actor.ActorOuterClass.Actor parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+    public static Builder newBuilder(it.ewlab.actor.ActorOuterClass.Actor prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code it.ewlab.actor.Actor}
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
+        // @@protoc_insertion_point(builder_implements:it.ewlab.actor.Actor)
+        it.ewlab.actor.ActorOuterClass.ActorOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return it.ewlab.actor.ActorOuterClass.internal_static_it_ewlab_actor_Actor_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return it.ewlab.actor.ActorOuterClass.internal_static_it_ewlab_actor_Actor_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                it.ewlab.actor.ActorOuterClass.Actor.class, it.ewlab.actor.ActorOuterClass.Actor.Builder.class);
+      }
+
+      // Construct using it.ewlab.actor.ActorOuterClass.Actor.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessageV3
+                .alwaysUseFieldBuilders) {
+          getMovieFieldBuilder();
+        }
+      }
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        name_ = "";
+        bitField0_ = (bitField0_ & ~0x00000001);
+        surname_ = "";
+        bitField0_ = (bitField0_ & ~0x00000002);
+        if (movieBuilder_ == null) {
+          movie_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000004);
+        } else {
+          movieBuilder_.clear();
+        }
+        sex_ = 0;
+        bitField0_ = (bitField0_ & ~0x00000008);
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return it.ewlab.actor.ActorOuterClass.internal_static_it_ewlab_actor_Actor_descriptor;
+      }
+
+      @java.lang.Override
+      public it.ewlab.actor.ActorOuterClass.Actor getDefaultInstanceForType() {
+        return it.ewlab.actor.ActorOuterClass.Actor.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public it.ewlab.actor.ActorOuterClass.Actor build() {
+        it.ewlab.actor.ActorOuterClass.Actor result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public it.ewlab.actor.ActorOuterClass.Actor buildPartial() {
+        it.ewlab.actor.ActorOuterClass.Actor result = new it.ewlab.actor.ActorOuterClass.Actor(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.name_ = name_;
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          to_bitField0_ |= 0x00000002;
+        }
+        result.surname_ = surname_;
+        if (movieBuilder_ == null) {
+          if (((bitField0_ & 0x00000004) != 0)) {
+            movie_ = java.util.Collections.unmodifiableList(movie_);
+            bitField0_ = (bitField0_ & ~0x00000004);
+          }
+          result.movie_ = movie_;
+        } else {
+          result.movie_ = movieBuilder_.build();
+        }
+        if (((from_bitField0_ & 0x00000008) != 0)) {
+          to_bitField0_ |= 0x00000004;
+        }
+        result.sex_ = sex_;
+        result.bitField0_ = to_bitField0_;
+        onBuilt();
+        return result;
+      }
+
+      @java.lang.Override
+      public Builder clone() {
+        return super.clone();
+      }
+      @java.lang.Override
+      public Builder setField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return super.setField(field, value);
+      }
+      @java.lang.Override
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
+        return super.clearField(field);
+      }
+      @java.lang.Override
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+        return super.clearOneof(oneof);
+      }
+      @java.lang.Override
+      public Builder setRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          int index, java.lang.Object value) {
+        return super.setRepeatedField(field, index, value);
+      }
+      @java.lang.Override
+      public Builder addRepeatedField(
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
+        return super.addRepeatedField(field, value);
+      }
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof it.ewlab.actor.ActorOuterClass.Actor) {
+          return mergeFrom((it.ewlab.actor.ActorOuterClass.Actor)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(it.ewlab.actor.ActorOuterClass.Actor other) {
+        if (other == it.ewlab.actor.ActorOuterClass.Actor.getDefaultInstance()) return this;
+        if (other.hasName()) {
+          bitField0_ |= 0x00000001;
+          name_ = other.name_;
+          onChanged();
+        }
+        if (other.hasSurname()) {
+          bitField0_ |= 0x00000002;
+          surname_ = other.surname_;
+          onChanged();
+        }
+        if (movieBuilder_ == null) {
+          if (!other.movie_.isEmpty()) {
+            if (movie_.isEmpty()) {
+              movie_ = other.movie_;
+              bitField0_ = (bitField0_ & ~0x00000004);
+            } else {
+              ensureMovieIsMutable();
+              movie_.addAll(other.movie_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.movie_.isEmpty()) {
+            if (movieBuilder_.isEmpty()) {
+              movieBuilder_.dispose();
+              movieBuilder_ = null;
+              movie_ = other.movie_;
+              bitField0_ = (bitField0_ & ~0x00000004);
+              movieBuilder_ = 
+                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
+                   getMovieFieldBuilder() : null;
+            } else {
+              movieBuilder_.addAllMessages(other.movie_);
+            }
+          }
+        }
+        if (other.hasSex()) {
+          setSex(other.getSex());
+        }
+        this.mergeUnknownFields(other.unknownFields);
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        if (!hasName()) {
+          return false;
+        }
+        if (!hasSurname()) {
+          return false;
+        }
+        for (int i = 0; i < getMovieCount(); i++) {
+          if (!getMovie(i).isInitialized()) {
+            return false;
+          }
+        }
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        it.ewlab.actor.ActorOuterClass.Actor parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (it.ewlab.actor.ActorOuterClass.Actor) e.getUnfinishedMessage();
+          throw e.unwrapIOException();
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      private java.lang.Object name_ = "";
+      /**
+       * <code>required string name = 1;</code>
+       * @return Whether the name field is set.
+       */
+      public boolean hasName() {
+        return ((bitField0_ & 0x00000001) != 0);
+      }
+      /**
+       * <code>required string name = 1;</code>
+       * @return The name.
+       */
+      public java.lang.String getName() {
+        java.lang.Object ref = name_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            name_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>required string name = 1;</code>
+       * @return The bytes for name.
+       */
+      public com.google.protobuf.ByteString
+          getNameBytes() {
+        java.lang.Object ref = name_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          name_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>required string name = 1;</code>
+       * @param value The name to set.
+       * @return This builder for chaining.
+       */
+      public Builder setName(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+        name_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required string name = 1;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearName() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        name_ = getDefaultInstance().getName();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required string name = 1;</code>
+       * @param value The bytes for name to set.
+       * @return This builder for chaining.
+       */
+      public Builder setNameBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+        name_ = value;
+        onChanged();
+        return this;
+      }
+
+      private java.lang.Object surname_ = "";
+      /**
+       * <code>required string surname = 2;</code>
+       * @return Whether the surname field is set.
+       */
+      public boolean hasSurname() {
+        return ((bitField0_ & 0x00000002) != 0);
+      }
+      /**
+       * <code>required string surname = 2;</code>
+       * @return The surname.
+       */
+      public java.lang.String getSurname() {
+        java.lang.Object ref = surname_;
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (bs.isValidUtf8()) {
+            surname_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>required string surname = 2;</code>
+       * @return The bytes for surname.
+       */
+      public com.google.protobuf.ByteString
+          getSurnameBytes() {
+        java.lang.Object ref = surname_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          surname_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>required string surname = 2;</code>
+       * @param value The surname to set.
+       * @return This builder for chaining.
+       */
+      public Builder setSurname(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000002;
+        surname_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required string surname = 2;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearSurname() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        surname_ = getDefaultInstance().getSurname();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required string surname = 2;</code>
+       * @param value The bytes for surname to set.
+       * @return This builder for chaining.
+       */
+      public Builder setSurnameBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000002;
+        surname_ = value;
+        onChanged();
+        return this;
+      }
+
+      private java.util.List<it.ewlab.actor.ActorOuterClass.Actor.Movie> movie_ =
+        java.util.Collections.emptyList();
+      private void ensureMovieIsMutable() {
+        if (!((bitField0_ & 0x00000004) != 0)) {
+          movie_ = new java.util.ArrayList<it.ewlab.actor.ActorOuterClass.Actor.Movie>(movie_);
+          bitField0_ |= 0x00000004;
+         }
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilderV3<
+          it.ewlab.actor.ActorOuterClass.Actor.Movie, it.ewlab.actor.ActorOuterClass.Actor.Movie.Builder, it.ewlab.actor.ActorOuterClass.Actor.MovieOrBuilder> movieBuilder_;
+
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public java.util.List<it.ewlab.actor.ActorOuterClass.Actor.Movie> getMovieList() {
+        if (movieBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(movie_);
+        } else {
+          return movieBuilder_.getMessageList();
+        }
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public int getMovieCount() {
+        if (movieBuilder_ == null) {
+          return movie_.size();
+        } else {
+          return movieBuilder_.getCount();
+        }
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public it.ewlab.actor.ActorOuterClass.Actor.Movie getMovie(int index) {
+        if (movieBuilder_ == null) {
+          return movie_.get(index);
+        } else {
+          return movieBuilder_.getMessage(index);
+        }
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public Builder setMovie(
+          int index, it.ewlab.actor.ActorOuterClass.Actor.Movie value) {
+        if (movieBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureMovieIsMutable();
+          movie_.set(index, value);
+          onChanged();
+        } else {
+          movieBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public Builder setMovie(
+          int index, it.ewlab.actor.ActorOuterClass.Actor.Movie.Builder builderForValue) {
+        if (movieBuilder_ == null) {
+          ensureMovieIsMutable();
+          movie_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          movieBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public Builder addMovie(it.ewlab.actor.ActorOuterClass.Actor.Movie value) {
+        if (movieBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureMovieIsMutable();
+          movie_.add(value);
+          onChanged();
+        } else {
+          movieBuilder_.addMessage(value);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public Builder addMovie(
+          int index, it.ewlab.actor.ActorOuterClass.Actor.Movie value) {
+        if (movieBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureMovieIsMutable();
+          movie_.add(index, value);
+          onChanged();
+        } else {
+          movieBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public Builder addMovie(
+          it.ewlab.actor.ActorOuterClass.Actor.Movie.Builder builderForValue) {
+        if (movieBuilder_ == null) {
+          ensureMovieIsMutable();
+          movie_.add(builderForValue.build());
+          onChanged();
+        } else {
+          movieBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public Builder addMovie(
+          int index, it.ewlab.actor.ActorOuterClass.Actor.Movie.Builder builderForValue) {
+        if (movieBuilder_ == null) {
+          ensureMovieIsMutable();
+          movie_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          movieBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public Builder addAllMovie(
+          java.lang.Iterable<? extends it.ewlab.actor.ActorOuterClass.Actor.Movie> values) {
+        if (movieBuilder_ == null) {
+          ensureMovieIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(
+              values, movie_);
+          onChanged();
+        } else {
+          movieBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public Builder clearMovie() {
+        if (movieBuilder_ == null) {
+          movie_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000004);
+          onChanged();
+        } else {
+          movieBuilder_.clear();
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public Builder removeMovie(int index) {
+        if (movieBuilder_ == null) {
+          ensureMovieIsMutable();
+          movie_.remove(index);
+          onChanged();
+        } else {
+          movieBuilder_.remove(index);
+        }
+        return this;
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public it.ewlab.actor.ActorOuterClass.Actor.Movie.Builder getMovieBuilder(
+          int index) {
+        return getMovieFieldBuilder().getBuilder(index);
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public it.ewlab.actor.ActorOuterClass.Actor.MovieOrBuilder getMovieOrBuilder(
+          int index) {
+        if (movieBuilder_ == null) {
+          return movie_.get(index);  } else {
+          return movieBuilder_.getMessageOrBuilder(index);
+        }
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public java.util.List<? extends it.ewlab.actor.ActorOuterClass.Actor.MovieOrBuilder> 
+           getMovieOrBuilderList() {
+        if (movieBuilder_ != null) {
+          return movieBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(movie_);
+        }
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public it.ewlab.actor.ActorOuterClass.Actor.Movie.Builder addMovieBuilder() {
+        return getMovieFieldBuilder().addBuilder(
+            it.ewlab.actor.ActorOuterClass.Actor.Movie.getDefaultInstance());
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public it.ewlab.actor.ActorOuterClass.Actor.Movie.Builder addMovieBuilder(
+          int index) {
+        return getMovieFieldBuilder().addBuilder(
+            index, it.ewlab.actor.ActorOuterClass.Actor.Movie.getDefaultInstance());
+      }
+      /**
+       * <code>repeated .it.ewlab.actor.Actor.Movie movie = 3;</code>
+       */
+      public java.util.List<it.ewlab.actor.ActorOuterClass.Actor.Movie.Builder> 
+           getMovieBuilderList() {
+        return getMovieFieldBuilder().getBuilderList();
+      }
+      private com.google.protobuf.RepeatedFieldBuilderV3<
+          it.ewlab.actor.ActorOuterClass.Actor.Movie, it.ewlab.actor.ActorOuterClass.Actor.Movie.Builder, it.ewlab.actor.ActorOuterClass.Actor.MovieOrBuilder> 
+          getMovieFieldBuilder() {
+        if (movieBuilder_ == null) {
+          movieBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
+              it.ewlab.actor.ActorOuterClass.Actor.Movie, it.ewlab.actor.ActorOuterClass.Actor.Movie.Builder, it.ewlab.actor.ActorOuterClass.Actor.MovieOrBuilder>(
+                  movie_,
+                  ((bitField0_ & 0x00000004) != 0),
+                  getParentForChildren(),
+                  isClean());
+          movie_ = null;
+        }
+        return movieBuilder_;
+      }
+
+      private int sex_ = 0;
+      /**
+       * <code>optional .it.ewlab.actor.Actor.Sex sex = 4;</code>
+       * @return Whether the sex field is set.
+       */
+      public boolean hasSex() {
+        return ((bitField0_ & 0x00000008) != 0);
+      }
+      /**
+       * <code>optional .it.ewlab.actor.Actor.Sex sex = 4;</code>
+       * @return The sex.
+       */
+      public it.ewlab.actor.ActorOuterClass.Actor.Sex getSex() {
+        @SuppressWarnings("deprecation")
+        it.ewlab.actor.ActorOuterClass.Actor.Sex result = it.ewlab.actor.ActorOuterClass.Actor.Sex.valueOf(sex_);
+        return result == null ? it.ewlab.actor.ActorOuterClass.Actor.Sex.MALE : result;
+      }
+      /**
+       * <code>optional .it.ewlab.actor.Actor.Sex sex = 4;</code>
+       * @param value The sex to set.
+       * @return This builder for chaining.
+       */
+      public Builder setSex(it.ewlab.actor.ActorOuterClass.Actor.Sex value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        bitField0_ |= 0x00000008;
+        sex_ = value.getNumber();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional .it.ewlab.actor.Actor.Sex sex = 4;</code>
+       * @return This builder for chaining.
+       */
+      public Builder clearSex() {
+        bitField0_ = (bitField0_ & ~0x00000008);
+        sex_ = 0;
+        onChanged();
+        return this;
+      }
+      @java.lang.Override
+      public final Builder setUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.setUnknownFields(unknownFields);
+      }
+
+      @java.lang.Override
+      public final Builder mergeUnknownFields(
+          final com.google.protobuf.UnknownFieldSet unknownFields) {
+        return super.mergeUnknownFields(unknownFields);
+      }
+
+
+      // @@protoc_insertion_point(builder_scope:it.ewlab.actor.Actor)
+    }
+
+    // @@protoc_insertion_point(class_scope:it.ewlab.actor.Actor)
+    private static final it.ewlab.actor.ActorOuterClass.Actor DEFAULT_INSTANCE;
+    static {
+      DEFAULT_INSTANCE = new it.ewlab.actor.ActorOuterClass.Actor();
+    }
+
+    public static it.ewlab.actor.ActorOuterClass.Actor getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    @java.lang.Deprecated public static final com.google.protobuf.Parser<Actor>
+        PARSER = new com.google.protobuf.AbstractParser<Actor>() {
+      @java.lang.Override
+      public Actor parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new Actor(input, extensionRegistry);
+      }
+    };
+
+    public static com.google.protobuf.Parser<Actor> parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<Actor> getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public it.ewlab.actor.ActorOuterClass.Actor getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+
+  }
+
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_it_ewlab_actor_Actor_descriptor;
+  private static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_it_ewlab_actor_Actor_fieldAccessorTable;
+  private static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_it_ewlab_actor_Actor_Movie_descriptor;
+  private static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_it_ewlab_actor_Actor_Movie_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\013Actor.proto\022\016it.ewlab.actor\"\275\001\n\005Actor\022" +
+      "\014\n\004name\030\001 \002(\t\022\017\n\007surname\030\002 \002(\t\022*\n\005movie\030" +
+      "\003 \003(\0132\033.it.ewlab.actor.Actor.Movie\022&\n\003se" +
+      "x\030\004 \001(\0162\031.it.ewlab.actor.Actor.Sex\032$\n\005Mo" +
+      "vie\022\r\n\005title\030\001 \002(\t\022\014\n\004year\030\002 \002(\005\"\033\n\003Sex\022" +
+      "\010\n\004MALE\020\000\022\n\n\006FEMALE\020\001"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+        });
+    internal_static_it_ewlab_actor_Actor_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_it_ewlab_actor_Actor_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_it_ewlab_actor_Actor_descriptor,
+        new java.lang.String[] { "Name", "Surname", "Movie", "Sex", });
+    internal_static_it_ewlab_actor_Actor_Movie_descriptor =
+      internal_static_it_ewlab_actor_Actor_descriptor.getNestedTypes().get(0);
+    internal_static_it_ewlab_actor_Actor_Movie_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_it_ewlab_actor_Actor_Movie_descriptor,
+        new java.lang.String[] { "Title", "Year", });
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/build/libs/GRPC_example-1.0-SNAPSHOT.war b/build/libs/GRPC_example-1.0-SNAPSHOT.war
new file mode 100644
index 0000000000000000000000000000000000000000..ffef3cccda41539c38362ee2ed3c27e357fde000
Binary files /dev/null and b/build/libs/GRPC_example-1.0-SNAPSHOT.war differ
diff --git a/build/resources/main/Actor.proto b/build/resources/main/Actor.proto
new file mode 100644
index 0000000000000000000000000000000000000000..8ad4d2d8421e852e77b838650e019e83230fa3e4
--- /dev/null
+++ b/build/resources/main/Actor.proto
@@ -0,0 +1,19 @@
+package it.ewlab.actor;
+
+message Actor {
+	required string name = 1;
+	required string surname = 2;
+
+	enum Sex {
+		MALE = 0;
+		FEMALE = 1;
+	}
+
+	message Movie {
+		required string title = 1;
+		required int32 year = 2;
+	}
+
+	repeated Movie movie = 3;
+	optional Sex sex = 4;
+}
\ No newline at end of file
diff --git a/build/resources/main/ChatService.proto b/build/resources/main/ChatService.proto
new file mode 100644
index 0000000000000000000000000000000000000000..522e138c935ceb5daf9fc804fd538be873713b6c
--- /dev/null
+++ b/build/resources/main/ChatService.proto
@@ -0,0 +1,14 @@
+syntax = "proto3";
+package com.example.chat;
+
+message ChatMessage {
+
+    string from = 1;
+    string message = 2;
+
+}
+
+service ChatService {
+
+    rpc chat(stream ChatMessage) returns (stream ChatMessage);
+}
diff --git a/build/resources/main/GreetingService.proto b/build/resources/main/GreetingService.proto
new file mode 100644
index 0000000000000000000000000000000000000000..90a39b1a624c5f2dceafb13af0406c3938ed1454
--- /dev/null
+++ b/build/resources/main/GreetingService.proto
@@ -0,0 +1,29 @@
+syntax = "proto3";
+package com.example.grpc;
+
+// Request payload
+message HelloRequest {
+    // Each message attribute is strongly typed.
+    // You also must assign a "tag" number.
+    // Each tag number is unique within the message.
+    string name = 1;
+
+    // This defines a strongly typed list of String
+    repeated string hobbies = 2;
+
+    // There are many more basics types, like Enum, Map
+    // See https://developers.google.com/protocol-buffers/docs/proto3
+    // for more information.
+}
+
+message HelloResponse {
+    string greeting = 1;
+}
+
+// Defining a Service, a Service can have multiple RPC operations
+service GreetingService {
+
+    rpc greeting(HelloRequest) returns (HelloResponse);
+
+    rpc streamGreeting(HelloRequest) returns (stream HelloResponse);
+}
diff --git a/build/tmp/compileJava/source-classes-mapping.txt b/build/tmp/compileJava/source-classes-mapping.txt
new file mode 100644
index 0000000000000000000000000000000000000000..522e61bfaf2ef79abbc36239bf545097f4e661d2
--- /dev/null
+++ b/build/tmp/compileJava/source-classes-mapping.txt
@@ -0,0 +1,72 @@
+actor/Client.java
+ actor.Client
+com/example/chat/ChatServiceOuterClass.java
+ com.example.chat.ChatServiceOuterClass
+ com.example.chat.ChatServiceOuterClass$1
+ com.example.chat.ChatServiceOuterClass$ChatMessage
+ com.example.chat.ChatServiceOuterClass$ChatMessage$1
+ com.example.chat.ChatServiceOuterClass$ChatMessage$Builder
+ com.example.chat.ChatServiceOuterClass$ChatMessageOrBuilder
+chat/ChatClient.java
+ chat.ChatClient
+ chat.ChatClient$1
+chat/ChatServiceImpl.java
+ chat.ChatServiceImpl
+ chat.ChatServiceImpl$1
+chat/ChatServer.java
+ chat.ChatServer
+com/example/grpc/GreetingServiceGrpc.java
+ com.example.grpc.GreetingServiceGrpc
+ com.example.grpc.GreetingServiceGrpc$1
+ com.example.grpc.GreetingServiceGrpc$GreetingServiceBaseDescriptorSupplier
+ com.example.grpc.GreetingServiceGrpc$GreetingServiceBlockingStub
+ com.example.grpc.GreetingServiceGrpc$GreetingServiceFileDescriptorSupplier
+ com.example.grpc.GreetingServiceGrpc$GreetingServiceFutureStub
+ com.example.grpc.GreetingServiceGrpc$GreetingServiceImplBase
+ com.example.grpc.GreetingServiceGrpc$GreetingServiceMethodDescriptorSupplier
+ com.example.grpc.GreetingServiceGrpc$GreetingServiceStub
+ com.example.grpc.GreetingServiceGrpc$MethodHandlers
+com/example/grpc/GreetingServiceOuterClass.java
+ com.example.grpc.GreetingServiceOuterClass
+ com.example.grpc.GreetingServiceOuterClass$1
+ com.example.grpc.GreetingServiceOuterClass$HelloRequest
+ com.example.grpc.GreetingServiceOuterClass$HelloRequest$1
+ com.example.grpc.GreetingServiceOuterClass$HelloRequest$Builder
+ com.example.grpc.GreetingServiceOuterClass$HelloRequestOrBuilder
+ com.example.grpc.GreetingServiceOuterClass$HelloResponse
+ com.example.grpc.GreetingServiceOuterClass$HelloResponse$1
+ com.example.grpc.GreetingServiceOuterClass$HelloResponse$Builder
+ com.example.grpc.GreetingServiceOuterClass$HelloResponseOrBuilder
+com/example/chat/ChatServiceGrpc.java
+ com.example.chat.ChatServiceGrpc
+ com.example.chat.ChatServiceGrpc$1
+ com.example.chat.ChatServiceGrpc$ChatServiceBaseDescriptorSupplier
+ com.example.chat.ChatServiceGrpc$ChatServiceBlockingStub
+ com.example.chat.ChatServiceGrpc$ChatServiceFileDescriptorSupplier
+ com.example.chat.ChatServiceGrpc$ChatServiceFutureStub
+ com.example.chat.ChatServiceGrpc$ChatServiceImplBase
+ com.example.chat.ChatServiceGrpc$ChatServiceMethodDescriptorSupplier
+ com.example.chat.ChatServiceGrpc$ChatServiceStub
+ com.example.chat.ChatServiceGrpc$MethodHandlers
+grpchelloserver/App.java
+ grpchelloserver.App
+it/ewlab/actor/ActorOuterClass.java
+ it.ewlab.actor.ActorOuterClass
+ it.ewlab.actor.ActorOuterClass$1
+ it.ewlab.actor.ActorOuterClass$Actor
+ it.ewlab.actor.ActorOuterClass$Actor$1
+ it.ewlab.actor.ActorOuterClass$Actor$Builder
+ it.ewlab.actor.ActorOuterClass$Actor$Movie
+ it.ewlab.actor.ActorOuterClass$Actor$Movie$1
+ it.ewlab.actor.ActorOuterClass$Actor$Movie$Builder
+ it.ewlab.actor.ActorOuterClass$Actor$MovieOrBuilder
+ it.ewlab.actor.ActorOuterClass$Actor$Sex
+ it.ewlab.actor.ActorOuterClass$Actor$Sex$1
+ it.ewlab.actor.ActorOuterClass$ActorOrBuilder
+grpchelloserver/GreetingServiceImpl.java
+ grpchelloserver.GreetingServiceImpl
+grpchelloserver/GreetingServiceClient.java
+ grpchelloserver.GreetingServiceClient
+ grpchelloserver.GreetingServiceClient$1
+actor/Server.java
+ actor.Server
diff --git a/src/main/java/researcher/.DS_Store b/src/main/java/actor/.DS_Store
similarity index 100%
rename from src/main/java/researcher/.DS_Store
rename to src/main/java/actor/.DS_Store
diff --git a/src/main/java/actor/Client.java b/src/main/java/actor/Client.java
new file mode 100644
index 0000000000000000000000000000000000000000..11e1f89bbe535425d71537fc76617f737680f872
--- /dev/null
+++ b/src/main/java/actor/Client.java
@@ -0,0 +1,33 @@
+package actor;
+
+import it.ewlab.actor.ActorOuterClass.Actor;
+
+import java.io.IOException;
+import java.net.Socket;
+
+public class Client {
+
+    public static void main(String[] args) throws IOException {
+
+        Socket s = new Socket("localhost", 9999);
+
+        Actor actor =
+                Actor.newBuilder()
+                        .setName("Christian")
+                        .setSurname("Bale")
+                        .setSex(Actor.Sex.MALE)
+                        .addMovie(Actor.Movie.newBuilder()
+                                .setTitle("The Prestige")
+                                .setYear(2006))
+                        .addMovie(Actor.Movie.newBuilder()
+                                .setTitle("The Dark Knight")
+                                .setYear(2008))
+                        .build();
+
+        actor.writeTo(s.getOutputStream());
+
+        s.close();
+
+
+    }
+}
diff --git a/src/main/java/researcher/Server.java b/src/main/java/actor/Server.java
similarity index 62%
rename from src/main/java/researcher/Server.java
rename to src/main/java/actor/Server.java
index a705938b5da2d76697ed070cd98adcab90e87ff6..7cf83013388faaa9a1ee9cd3ed0fc4ea5947f06c 100644
--- a/src/main/java/researcher/Server.java
+++ b/src/main/java/actor/Server.java
@@ -1,6 +1,6 @@
-package researcher;
+package actor;
 
-import it.ewlab.researcher.ResearcherOuterClass.Researcher;
+import it.ewlab.actor.ActorOuterClass.Actor;
 
 import java.io.IOException;
 import java.net.ServerSocket;
@@ -15,9 +15,9 @@ public class Server {
 
         Socket s = serverSocket.accept();
 
-        Researcher r = Researcher.parseFrom(s.getInputStream());
+        Actor actor = Actor.parseFrom(s.getInputStream());
 
-        System.out.println(r);
+        System.out.println(actor);
     }
 
 
diff --git a/src/main/java/chat/ChatClient.java b/src/main/java/chat/ChatClient.java
new file mode 100644
index 0000000000000000000000000000000000000000..2961f5ad335ec6ec2185cd62f492713aa23f92de
--- /dev/null
+++ b/src/main/java/chat/ChatClient.java
@@ -0,0 +1,98 @@
+package chat;
+
+import com.example.chat.ChatServiceGrpc.*;
+import com.example.chat.ChatServiceGrpc;
+import com.example.chat.ChatServiceOuterClass.*;
+import io.grpc.ManagedChannel;
+import io.grpc.ManagedChannelBuilder;
+import io.grpc.stub.StreamObserver;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+public class ChatClient {
+
+    public final static String IP = "localhost";
+    public final static int PORT = 1337;
+
+    public static void main(String[] args) throws IOException {
+
+        //buffered reader to read from standard input
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+
+        //simply asking the nickname
+        String nickname;
+
+        System.out.println("What's your nickname?");
+        nickname = br.readLine();
+
+
+        System.out.println("---------");
+        System.out.println("[CHAT CLIENT] Connecting to chat server @ "+IP+":"+PORT);
+
+        //opening a connection with chat server
+
+        final ManagedChannel channel = ManagedChannelBuilder.forTarget(IP+":"+PORT).usePlaintext(true).build();
+
+        System.out.println("[CHAT CLIENT] Connected!");
+
+        System.out.println("[CHAT CLIENT] Establishing stream from server...");
+
+        //creating the asynchronous stub
+
+        ChatServiceStub stub = ChatServiceGrpc.newStub(channel);
+
+        //the stub returns a stream (to communicate with the server, and thus with all the other clients).
+        //the argument is the stream of messages which are transmitted by the server.
+
+        StreamObserver<ChatMessage> serverStream = stub.chat(new StreamObserver<ChatMessage>() {
+
+            //remember: all the methods here are CALLBACKS which are handled in an asynchronous manner.
+
+            //we define what to do when a message from the server arrives (just print the message)
+            public void onNext(ChatMessage chatMessage) {
+
+                String from = chatMessage.getFrom();
+                String message = chatMessage.getMessage();
+
+                System.out.println("\n"+from+" -> "+message);
+
+            }
+
+            public void onError(Throwable throwable) {
+
+            }
+
+            public void onCompleted() {
+
+            }
+        });
+
+
+        System.out.println("[CHAT CLIENT] Now you can chat :)");
+
+
+        //dumb code to handle the chat
+        //it is a while loop which reads the message
+        while(true){
+
+            String message = br.readLine();
+
+            //if the message is quit
+            if(message.equals("quit")){
+                //we communicate to the server that we are done and we exit the loop
+                serverStream.onCompleted();
+                break;
+            }
+
+            //we use the stream to communicate to the server our message.
+            serverStream.onNext(ChatMessage.newBuilder().setFrom(nickname).setMessage(message).build());
+
+        }
+
+
+        System.out.println("Goodbye!");
+    }
+
+}
diff --git a/src/main/java/chat/ChatServer.java b/src/main/java/chat/ChatServer.java
new file mode 100644
index 0000000000000000000000000000000000000000..756fb2a910fc52884f17149eeefdb0fedb5d0c17
--- /dev/null
+++ b/src/main/java/chat/ChatServer.java
@@ -0,0 +1,36 @@
+package chat;
+
+import io.grpc.Server;
+import io.grpc.ServerBuilder;
+
+import java.io.IOException;
+
+public class ChatServer {
+
+    final static int PORT = 1337;
+
+    public static void main(String[] args) {
+        try {
+
+            System.out.println("[BOOT] Launching chat service on port "+PORT);
+
+            Server server = ServerBuilder.forPort(PORT).addService(new ChatServiceImpl()).build();
+
+            server.start();
+
+            System.out.println("[BOOT] Server started!");
+
+            server.awaitTermination();
+
+        } catch (IOException e) {
+
+            e.printStackTrace();
+
+        } catch (InterruptedException e) {
+
+            e.printStackTrace();
+
+        }
+    }
+
+}
diff --git a/src/main/java/chat/ChatServiceImpl.java b/src/main/java/chat/ChatServiceImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..e6b60c80b32f652b8f945a59671c06959a639b62
--- /dev/null
+++ b/src/main/java/chat/ChatServiceImpl.java
@@ -0,0 +1,90 @@
+package chat;
+
+import com.example.chat.ChatServiceGrpc.*;
+import com.example.chat.ChatServiceOuterClass.*;
+import io.grpc.stub.StreamObserver;
+
+import java.util.HashSet;
+import java.util.LinkedHashSet;
+
+public class ChatServiceImpl extends ChatServiceImplBase {
+
+    //an hashset to store all the streams which the server uses to communicate with each client
+    HashSet<StreamObserver> observers = new LinkedHashSet<StreamObserver>();
+
+    @Override public StreamObserver<ChatMessage> chat(final StreamObserver<ChatMessage> responseObserver){
+
+        //the stream used to communicate with a specific client is stored in a hash set (avoiding duplicates)
+        synchronized (observers) {
+
+            observers.add(responseObserver);
+
+        }
+        //it returns the stream that will be used by the clients to send messages.
+        //the client will write on this stream
+        return new StreamObserver<ChatMessage>() {
+
+            //receiving a message from a specific client
+            public void onNext(ChatMessage chatMessage) {
+
+                //unwrapping message
+                String message = chatMessage.getMessage();
+                String from = chatMessage.getFrom();
+
+                System.out.println("[MESSAGE RECEIVED] Received a message from "+from+": "+message);
+
+
+                HashSet<StreamObserver> copy;
+
+                synchronized (observers) {
+
+                    copy = new HashSet<>(observers);
+
+                }
+
+                //iterating on all the streams to communicate with all the clients
+                for(StreamObserver<ChatMessage> observer: copy){
+
+                    //we exclude the one which is sending the message
+                    if(!observer.equals(responseObserver))
+                        //we simply forward the message
+                        try {
+
+                            observer.onNext(ChatMessage.newBuilder().setMessage(message).setFrom(from).build());
+
+                        }
+                        catch(io.grpc.StatusRuntimeException e){
+                            //peer no longer available
+                            synchronized (observers){
+
+                                observers.remove(responseObserver);
+
+                            }
+                        }
+                }
+
+            }
+
+            //if there is an error (client abruptly disconnect) we remove the client.
+            public void onError(Throwable throwable) {
+
+                synchronized (observers) {
+
+                    observers.remove(responseObserver);
+
+                }
+            }
+
+            //if the client explicitly terminated, we remove it from the hashset.
+            public void onCompleted() {
+                synchronized (observers) {
+
+                    observers.remove(responseObserver);
+
+                }
+            }
+        };
+    }
+
+
+}
diff --git a/src/main/java/grpchelloserver/App.java b/src/main/java/grpchelloserver/App.java
new file mode 100644
index 0000000000000000000000000000000000000000..dc6d9f2e8f25343c12a4fe45c8b443a0aedd0f35
--- /dev/null
+++ b/src/main/java/grpchelloserver/App.java
@@ -0,0 +1,36 @@
+package grpchelloserver;
+
+import io.grpc.Server;
+import io.grpc.ServerBuilder;
+
+import java.io.IOException;
+
+
+public class App
+{
+    public static void main( String[] args )
+    {
+        //faccio partire il servizio sulla porta 8080
+        try {
+
+            Server server = ServerBuilder.forPort(8080).addService(new GreetingServiceImpl()).build();
+
+            server.start();
+
+            System.out.println("Server started!");
+
+            server.awaitTermination();
+
+        } catch (IOException e) {
+
+            e.printStackTrace();
+
+        } catch (InterruptedException e) {
+
+            e.printStackTrace();
+
+        }
+
+
+    }
+}
diff --git a/src/main/java/grpchelloserver/GreetingServiceClient.java b/src/main/java/grpchelloserver/GreetingServiceClient.java
new file mode 100644
index 0000000000000000000000000000000000000000..23ec5e01d74545ca91732f86990d0e151ad6b226
--- /dev/null
+++ b/src/main/java/grpchelloserver/GreetingServiceClient.java
@@ -0,0 +1,101 @@
+package grpchelloserver;
+
+import com.example.grpc.GreetingServiceGrpc;
+import com.example.grpc.GreetingServiceGrpc.*;
+import com.example.grpc.GreetingServiceOuterClass.*;
+import io.grpc.ManagedChannel;
+import io.grpc.ManagedChannelBuilder;
+import io.grpc.stub.StreamObserver;
+
+import java.util.concurrent.TimeUnit;
+
+public class GreetingServiceClient {
+
+    public static void main(String[] args) throws InterruptedException {
+
+        System.out.println("Trying to call greeting synchronous method:\n");
+
+        synchronousCall();
+
+        System.out.println("\n...Done!");
+
+        System.out.println("--------------");
+
+        System.out.println("Now calling streamGreeting asynchronous method:\n");
+
+        asynchronousStreamCall();
+
+        System.out.println("\n...Done!");
+
+
+    }
+
+    //calling a synchronous rpc operation
+    public static void synchronousCall(){
+
+        //plaintext channel on the address (ip/port) which offers the GreetingService service
+        final ManagedChannel channel = ManagedChannelBuilder.forTarget("localhost:8080").usePlaintext(true).build();
+
+        //creating a blocking stub on the channel
+        GreetingServiceBlockingStub stub = GreetingServiceGrpc.newBlockingStub(channel);
+
+        //creating the HelloResponse object which will be provided as input to the RPC method
+        HelloRequest request = HelloRequest.newBuilder().setName("Pippo").build();
+
+        //calling the method. it returns an instance of HelloResponse
+        HelloResponse response = stub.greeting(request);
+
+        //printing the answer
+        System.out.println(response.getGreeting());
+
+        //closing the channel
+        channel.shutdown();
+
+    }
+
+    //calling an asynchronous method based on stream
+    public static void asynchronousStreamCall() throws InterruptedException {
+
+        //plaintext channel on the address (ip/port) which offers the GreetingService service
+        final ManagedChannel channel = ManagedChannelBuilder.forTarget("localhost:8080").usePlaintext(true).build();
+
+        //creating an asynchronous stub on the channel
+        GreetingServiceStub stub = GreetingServiceGrpc.newStub(channel);
+
+        //creating the HelloResponse object which will be provided as input to the RPC method
+        HelloRequest request = HelloRequest.newBuilder().setName("Pippo").build();
+
+        //calling the RPC method. since it is asynchronous, we need to define handlers
+        stub.streamGreeting(request, new StreamObserver<HelloResponse>() {
+
+            //this hanlder takes care of each item received in the stream
+            public void onNext(HelloResponse helloResponse) {
+
+                //each item is just printed
+                System.out.println(helloResponse.getGreeting());
+
+            }
+
+            //if there are some errors, this method will be called
+            public void onError(Throwable throwable) {
+
+                System.out.println("Error! "+throwable.getMessage());
+
+            }
+
+            //when the stream is completed (the server called "onCompleted") just close the channel
+            public void onCompleted() {
+
+                channel.shutdownNow();
+
+            }
+
+        });
+
+        //you need this. otherwise the method will terminate before that answers from the server are received
+        channel.awaitTermination(10, TimeUnit.SECONDS);
+
+
+    }
+
+}
diff --git a/src/main/java/grpchelloserver/GreetingServiceImpl.java b/src/main/java/grpchelloserver/GreetingServiceImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..03e1d96bb725525e924da87e6d10b6ec193229ef
--- /dev/null
+++ b/src/main/java/grpchelloserver/GreetingServiceImpl.java
@@ -0,0 +1,47 @@
+package grpchelloserver;
+
+import com.example.grpc.GreetingServiceGrpc.GreetingServiceImplBase;
+import com.example.grpc.GreetingServiceOuterClass.*;
+import io.grpc.stub.StreamObserver;
+
+public class GreetingServiceImpl extends GreetingServiceImplBase {
+
+    @Override
+    public void greeting(HelloRequest request, StreamObserver<HelloResponse> responseObserver){
+
+        //la richiesta è di tipo HelloRequest (definito in .proto)
+        System.out.println(request);
+
+        //costruisco la richiesta di tipo HelloResponse (sempre definito in .proto)
+        HelloResponse response = HelloResponse.newBuilder().setGreeting("Hello there, "+request.getName()).build();
+
+        //passo la risposta nello stream
+        responseObserver.onNext(response);
+
+        //completo e finisco la comunicazione
+        responseObserver.onCompleted();
+
+    }
+
+    @Override
+    public void streamGreeting(HelloRequest request, StreamObserver<HelloResponse> responseObserver){
+
+        System.out.println("Metodo stream chiamato!");
+
+        //la richiesta è di tipo HelloRequest (definito in .proto)
+        System.out.println(request);
+
+        //costruisco la richiesta di tipo HelloResponse (sempre definito in .proto)
+        HelloResponse response = HelloResponse.newBuilder().setGreeting("Hello there, "+request.getName()).build();
+
+        //passo la risposta nello stream
+        responseObserver.onNext(response);
+        responseObserver.onNext(response);
+        responseObserver.onNext(response);
+
+        //completo e finisco la comunicazione
+        responseObserver.onCompleted();
+
+    }
+
+}
diff --git a/src/main/java/researcher/Client.java b/src/main/java/researcher/Client.java
deleted file mode 100644
index 9f64250b8b64ab1e5a8e15f7cda4e012e073db78..0000000000000000000000000000000000000000
--- a/src/main/java/researcher/Client.java
+++ /dev/null
@@ -1,31 +0,0 @@
-package researcher;
-
-import it.ewlab.researcher.ResearcherOuterClass.Researcher;
-
-import java.io.IOException;
-import java.net.Socket;
-
-public class Client {
-
-    public static void main(String[] args) throws IOException {
-
-        Socket s = new Socket("localhost", 9999);
-
-        Researcher r =
-                Researcher.newBuilder()
-                        .setName("Gabriele")
-                        .setSurname("Civitarese")
-                        .setType(Researcher.ResearcherType.POSTDOC)
-                        .addPaper(Researcher.Paper.newBuilder().setTitle("Activity Recognition")
-                                .setYear(2014).build())
-                        .addPaper(Researcher.Paper.newBuilder().setTitle("Activity Recognition Again")
-                                .setYear(2015).build())
-                        .build();
-
-        r.writeTo(s.getOutputStream());
-
-        s.close();
-
-
-    }
-}
diff --git a/src/main/proto/Actor.proto b/src/main/proto/Actor.proto
new file mode 100644
index 0000000000000000000000000000000000000000..8ad4d2d8421e852e77b838650e019e83230fa3e4
--- /dev/null
+++ b/src/main/proto/Actor.proto
@@ -0,0 +1,19 @@
+package it.ewlab.actor;
+
+message Actor {
+	required string name = 1;
+	required string surname = 2;
+
+	enum Sex {
+		MALE = 0;
+		FEMALE = 1;
+	}
+
+	message Movie {
+		required string title = 1;
+		required int32 year = 2;
+	}
+
+	repeated Movie movie = 3;
+	optional Sex sex = 4;
+}
\ No newline at end of file
diff --git a/src/main/proto/ChatService.proto b/src/main/proto/ChatService.proto
new file mode 100644
index 0000000000000000000000000000000000000000..522e138c935ceb5daf9fc804fd538be873713b6c
--- /dev/null
+++ b/src/main/proto/ChatService.proto
@@ -0,0 +1,14 @@
+syntax = "proto3";
+package com.example.chat;
+
+message ChatMessage {
+
+    string from = 1;
+    string message = 2;
+
+}
+
+service ChatService {
+
+    rpc chat(stream ChatMessage) returns (stream ChatMessage);
+}
diff --git a/src/main/proto/GreetingService.proto b/src/main/proto/GreetingService.proto
new file mode 100644
index 0000000000000000000000000000000000000000..90a39b1a624c5f2dceafb13af0406c3938ed1454
--- /dev/null
+++ b/src/main/proto/GreetingService.proto
@@ -0,0 +1,29 @@
+syntax = "proto3";
+package com.example.grpc;
+
+// Request payload
+message HelloRequest {
+    // Each message attribute is strongly typed.
+    // You also must assign a "tag" number.
+    // Each tag number is unique within the message.
+    string name = 1;
+
+    // This defines a strongly typed list of String
+    repeated string hobbies = 2;
+
+    // There are many more basics types, like Enum, Map
+    // See https://developers.google.com/protocol-buffers/docs/proto3
+    // for more information.
+}
+
+message HelloResponse {
+    string greeting = 1;
+}
+
+// Defining a Service, a Service can have multiple RPC operations
+service GreetingService {
+
+    rpc greeting(HelloRequest) returns (HelloResponse);
+
+    rpc streamGreeting(HelloRequest) returns (stream HelloResponse);
+}
diff --git a/src/main/proto/Researcher.proto b/src/main/proto/Researcher.proto
deleted file mode 100644
index dd37f2576a2c1a3ed177354d7132ae87ff545df8..0000000000000000000000000000000000000000
--- a/src/main/proto/Researcher.proto
+++ /dev/null
@@ -1,21 +0,0 @@
-package it.ewlab.researcher;
-
-message Researcher {
-    required string name = 1;
-    required string surname = 2;
-
-    enum ResearcherType {
-        PHDSTUDENT = 0;
-        POSTDOC = 1;
-        ASSISTANTPROFESSOR = 2;
-    }
-
-    message Paper {
-        required string title = 1;
-        required int32 year = 2;
-
-    }
-
-    repeated Paper paper = 3;
-    optional ResearcherType type = 4;
-}
\ No newline at end of file