code: function addDispatchAsyncMethod() {
          $methodGenerator = new MethodGenerator('dispatchAsync');
          $body = 'return $this->api->executeAsync($request, $this, $callable);';
  
          $docBlock = $this->generateExecuteDocBlock('Dispatch the request for this operation and process the response asynchronously. Allows you to modify the request before it is sent.');
  
          $requestParameter = new ParameterGenerator('request', 'Amp\Artax\Request');
          $methodGenerator->setParameter($requestParameter);
          $tag = createParamTag($requestParameter, 'The request to be processed');
          $docBlock->setTag($tag);
  
          $callableParameter = new ParameterGenerator('callable', 'callable');
          $methodGenerator->setParameter($callableParameter);
          $callableTag = createParamTag($callableParameter, 'The callable that processes the response');
          $docBlock->setTag($callableTag);
  
          $methodGenerator->setDocBlock($docBlock);
          $methodGenerator->setBody($body);
  
          $this->classGenerator->addMethodFromGenerator($methodGenerator);
      }
docs: Add a method to asynchronousl execute and parse the response of a previously created request.