public function removeEventListener($listener)
	{
		$this->ensureEventListeners();
		
		unset($this->_eventListeners[Ioc::resolveClassName($listener)]);
		
		return $this;
	}
public function removeEventListener($listener)
	{
		$this->ensureEventListeners();
		
		unset($this->_eventListeners[Ioc::resolveClassName($listener)]);
		
		return $this;
	}
public function removeEventListener ( $ listener ) { $ this -> ensureEventListeners ( ) ; unset ( $ this -> _eventListeners [ Ioc :: resolveClassName ( $ listener ) ] ) ; return $ this ; }
remove eventListener's events to this
@param  EventListenerInterface|string $listener
@return static
remove eventListener s events to this