original_string: public function removeListener(string $eventName, $listener): void
      {
          $this->dispatcher->removeListener($eventName, $listener);
      }
code: public function removeListener(string $eventName, $listener): void
      {
          $this->dispatcher->removeListener($eventName, $listener);
      }
code_tokens: public function removeListener ( string $ eventName , $ listener ) : void { $ this -> dispatcher -> removeListener ( $ eventName , $ listener ) ; }
docstring: Remove event listener
  
  @param string $eventName
  @param type $listener
  
  @return void
docstring_tokens: Remove event listener