| 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. |