Google\Auth\Credentials
Classes
AppIdentityCredentials supports authorization on Google App Engine.
GCECredentials supports authorization on Google Compute Engine.
Authenticates requests using IAM credentials.
Provides a set of credentials that will always return an empty access token.
ServiceAccountCredentials supports authorization using a Google service
account.
Authenticates requests using Google's Service Account credentials via
JWT Access.
Authenticates requests using User Refresh credentials.