code: public Node importNode(Node importedNode, boolean deep) throws DOMException
    {
  
      error(XMLErrorResources.ER_FUNCTION_NOT_SUPPORTED);
  
      return null;
    }
docs: Unimplemented. See org.w3c.dom.Document
  
  @param importedNode The node to import.
  @param deep         If <code>true</code>, recursively import the subtree under
  the specified node; if <code>false</code>, import only the node
  itself, as explained above. This has no effect on <code>Attr</code>
  , <code>EntityReference</code>, and <code>Notation</code> nodes.
  
  @return null
  
  @throws DOMException