/** * The global configuration object for RxJS, used to configure things * like what Promise contructor should used to create Promises */exportdeclareconstconfig:{/** * The promise constructor used by default for methods such as * {@link toPromise} and {@link forEach} */Promise:PromiseConstructorLike;/** * If true, turns on synchronous error rethrowing, which is a deprecated behavior * in v6 and higher. This behavior enables bad patterns like wrapping a subscribe * call in a try/catch block. It also enables producer interference, a nasty bug * where a multicast can be broken for all observers by a downstream consumer with * an unhandled error. DO NOT USE THIS FLAG UNLESS IT'S NEEDED TO BY TIME * FOR MIGRATION REASONS. */useDeprecatedSynchronousErrorHandling:boolean;};