src/ChildNode.php
public function after(DOMNode $node):void {
		$this->parentNode->insertBefore($node, $this->nextSibling);
	}
public function after(DOMNode $node):void {
		$this->parentNode->insertBefore($node, $this->nextSibling);
	}
Inserts a Node into the children list of this ChildNode's parent,
just after this ChildNode.
@param DOMNode $node
@return void