PDepend\Source\AST\AbstractASTType::__sleep PHP Method

    public function __sleep()
    {
        if (is_array($this->methods)) {
            $this->cache->type('methods')->store($this->id, $this->methods);
            $this->methods = null;
        }
        return array('cache', 'context', 'comment', 'endLine', 'modifiers', 'name', 'nodes', 'namespaceName', 'startLine', 'userDefined', 'id');
    }

 /**
  * The magic sleep method is called by the PHP runtime environment before an
  * instance of this class gets serialized. It returns an array with the
  * names of all those properties that should be cached for this class or
  * interface instance.
  *
  * @return array
  * @since  0.10.0
  */
 public function __sleep()
 {
     return array_merge(array('constants', 'interfaceReferences', 'parentClassReference'), parent::__sleep());
 }