https://developer.android.com/topic/libraries/support-library/downloads/androidx-class-mapping.csv

this file was downloaded directly via the above URL on 20190624 and it's contents may be verified
with these checksums if you desire

0b652eaf12fef9dcf286dac4fda9d15cf32629ec2f605da35e039eec5d5ee62b  androidx-class-mapping.csv (sha256sum)
3c467112c50120a7559f6139355d4f27  androidx-class-mapping.csv (md5sum)