There is no PPNode_Hash class, use interface PPNode
Preprocessor_Hash does not work with DOMDocument, so remove that
Follow-Up: I621e9075e0f136ac188a4d2f53418b7cc957408d
Change-Id: Ic234d37e15b7fdf274bd55101bb576d2ec49a781
/**
* @throws MWException
* @param string|int $key
- * @param string|PPNode_Hash|DOMDocument $root
+ * @param string|PPNode $root
* @param int $flags
* @return string
*/
/**
* @throws MWException
* @param string|int $key
- * @param string|PPNode_Hash|DOMDocument $root
+ * @param string|PPNode $root
* @param int $flags
* @return string
*/