https://docs.cloud.google.com/java/docs/reference/google-cloud-developerconnect/latest/com.google.cloud.developerconnect.v1.GenericHTTPEndpointConfig.BearerTokenAuthentication.TokenCase
Enum GenericHTTPEndpointConfig.BearerTokenAuthentication.TokenCase (0.48.0) | Java client libraries...
java clientenumlibraries