_simpleRequest('/grpc.testing.XdsUpdateHealthService/SetServing', $argument, ['\Grpc\Testing\EmptyMessage', 'decode'], $metadata, $options); } /** * @param \Grpc\Testing\EmptyMessage $argument input argument * @param array $metadata metadata * @param array $options call options * @return \Grpc\UnaryCall */ public function SetNotServing(\Grpc\Testing\EmptyMessage $argument, $metadata = [], $options = []) { return $this->_simpleRequest('/grpc.testing.XdsUpdateHealthService/SetNotServing', $argument, ['\Grpc\Testing\EmptyMessage', 'decode'], $metadata, $options); } }