Checks if credentials are delegated (server mode).

        :return: ``True`` if credentials are delegated, otherwise ``False``

def credentials_delegated(self):
        """
        Checks if credentials are delegated (server mode).

        :return: ``True`` if credentials are delegated, otherwise ``False``
        """
        return self._gss_flags & sspicon.ISC_REQ_DELEGATE and (
            self._gss_srv_ctxt_status or self._gss_flags
        )