GoogleSignInApi Api interface for Sign In with Google. 


GoogleSignIn Entry point for the Google Sign In API. 
GoogleSignInClient A client for interacting with the Google Sign In API. 
GoogleSignInResult GoogleSignInResults are Result implementations that potentially contain a ERROR(/GoogleSignInAccount)
GoogleSignInStatusCodes Google Sign In specific status codes, for use in Status#getStatusCode()
RevocationBoundService Handles Google Sign-In user revocation.