original_string: private function _getRequestPool(): Pool
      {
          return new Pool($this->_getClient(), $this->_getRequestPromise(), [
              'concurrency' => max(1, $this->configOfConcurrency),
              'fulfilled' => function () {
                  call_user_func_array([$this, '_responseSuccessHandle'], func_get_args());
              },
              'rejected' => function () {
                  call_user_func_array([$this, '_responseFailHandle'], func_get_args());
              }
          ]);
      }
code: private function _getRequestPool(): Pool
      {
          return new Pool($this->_getClient(), $this->_getRequestPromise(), [
              'concurrency' => max(1, $this->configOfConcurrency),
              'fulfilled' => function () {
                  call_user_func_array([$this, '_responseSuccessHandle'], func_get_args());
              },
              'rejected' => function () {
                  call_user_func_array([$this, '_responseFailHandle'], func_get_args());
              }
          ]);
      }
code_tokens: private function _getRequestPool ( ) : Pool { return new Pool ( $ this -> _getClient ( ) , $ this -> _getRequestPromise ( ) , [ 'concurrency' => max ( 1 , $ this -> configOfConcurrency ) , 'fulfilled' => function ( ) { call_user_func_array ( [ $ this , '_responseSuccessHandle' ] , func_get_args ( ) ) ; } , 'rejected' => function ( ) { call_user_func_array ( [ $ this , '_responseFailHandle' ] , func_get_args ( ) ) ; } ] ) ; }
docstring: build a request pool implements \GuzzleHttp\Pool
  @return Pool
docstring_tokens: build a request pool implements \ GuzzleHttp \ Pool