+ public $attr = array();
+
+ /**
+ * @internal
+ */
+ public function serialize()
+ {
+ return \serialize(array($this->class, $this->position, $this->cut, $this->type, $this->value, $this->handle, $this->refCount, $this->attr));
+ }
+
+ /**
+ * @internal
+ */
+ public function unserialize($serialized)
+ {
+ list($this->class, $this->position, $this->cut, $this->type, $this->value, $this->handle, $this->refCount, $this->attr) = \unserialize($serialized);
+ }