def _rest_post(self, suburi, request_headers, request_body):
        """REST POST operation.

        The response body after the operation could be the new resource, or
        ExtendedError, or it could be empty.
        """
        return self._rest_op('POST', suburi, request_headers, request_body)
REST POST operation.

        The response body after the operation could be the new resource, or
        ExtendedError, or it could be empty.