public function MoveToFirst()
	{
		if ( ! isset( $this->domNode ) || ! $this->getIsNode() ) return false;

		// The DOMDocument and document element are their own first siblings
		if ( $this->domNode instanceof \DOMDocument || $this->domNode->parentNode instanceof \DOMDocument ) return true;

		$this->domNode = $this->domNode->parentNode->firstChild;
		return true;
	}