private function removeElements( $elements ) {
		$list = $elements;
		if ( $elements instanceof \DOMNodeList ) {
			$list = [];
			foreach ( $elements as $element ) {
				$list[] = $element;
			}
		}
		/** @var $element \DOMElement */
		foreach ( $list as $element ) {
			if ( $element->parentNode ) {
				$element->parentNode->removeChild( $element );
			}
		}
		return $list;
	}