Google's legacy AuthSub authorization as specified in AuthSub for Web Applications .

This package depends on the {@link com.google.api.client.auth}, {@link com.google.api.client.googleapis}, {@link com.google.api.client.googleapis.auth}, {@link com.google.api.client.http} and {@link com.google.api.client.util} packages.

Warning: this package is experimental, and its content may be changed in incompatible ways or possibly entirely removed in a future version of the library

@since 1.0