(cls, signer, info, **kwargs)
return cls(signer, **kwargs)
Creates a Credentials instance from a signer and service account
        info.

        Args:
            signer (google.auth.crypt.Signer): The signer used to sign JWTs.
            info (Mapping[str, str]): The service account info.
            kwargs: Additional arguments to pass to the constructor.

        Returns:
            google.auth.jwt.Credentials: The constructed credentials.

        Raises:
            ValueError: If the info is not in the expected format.
Creates a Credentials instance from a signer and service account
        info.
Creates a Credentials instance from a signer and service account info .
def _from_signer_and_info(cls, signer, info, **kwargs):
        """Creates a Credentials instance from a signer and service account
        info.

        Args:
            signer (google.auth.crypt.Signer): The signer used to sign JWTs.
            info (Mapping[str, str]): The service account info.
            kwargs: Additional arguments to pass to the constructor.

        Returns:
            google.auth.jwt.Credentials: The constructed credentials.

        Raises:
            ValueError: If the info is not in the expected format.
        """
        kwargs.setdefault("subject", info["client_email"])
        kwargs.setdefault("issuer", info["client_email"])
        return cls(signer, **kwargs)
def _from_signer_and_info ( cls , signer , info , * * kwargs ) : kwargs . setdefault ( "subject" , info [ "client_email" ] ) kwargs . setdefault ( "issuer" , info [ "client_email" ] ) return cls ( signer , * * kwargs )