code: protected function callResolvingCallbacks($key, $object)
  	{
  		foreach ($this->resolvingAnyCallbacks as $callback) {
  			call_user_func($callback, $object, $this);
  		}
  
  		if (isset($this->resolvingCallbacks[$key])) {
  			foreach ($this->resolvingCallbacks[$key] as $callback) {
  				call_user_func($callback, $object, $this);
  			}
  		}
  	}
docs: Call resolving callbacks for an object.
  
  @param  string $key    Container key - usually the class name
  @param  object $object
  
  @return void