public function setupParent($prefix, $prefixMatched, $requestPathOffset, $params) {
		$this->prefix = $prefix;
		$this->parentPrefix = $prefix;
		$this->prefixMatched = $prefixMatched;
		$this->parentPrefixMatched = $prefixMatched;
		$this->requestPathOffset = $requestPathOffset;
		$this->parentRequestPathOffset = $requestPathOffset;
		$this->params = $params;
	}