code: public function getChecked()
      {
          if (is_null($this->object) || !$this->object) {
              return false;
          }
          if (is_null($this->_checked)) {
              $this->_checked = true;
              foreach ($this->object->dependencies() as $dep) {
                  if (!$this->collector->has($dep, false)) {
                      $this->_checked = false;
                  }
              }
          }
  
          return $this->_checked;
      }
docs: Get checked.
  
  @return unknown