/**
  * {@inheritdoc}
  */
 public static function fromArray(array $values)
 {
     $message = new self();
     $values = array_merge(['name' => null, 'input_type' => null, 'output_type' => null, 'options' => null, 'client_streaming' => false, 'server_streaming' => false], $values);
     $message->setName($values['name']);
     $message->setInputType($values['input_type']);
     $message->setOutputType($values['output_type']);
     $message->setOptions($values['options']);
     $message->setClientStreaming($values['client_streaming']);
     $message->setServerStreaming($values['server_streaming']);
     return $message;
 }