nsXMLNamedNodeMap::RemoveNamedItemNS(const nsString& aNamespaceURI, const nsString&aLocalName,
nsXMLNamedNodeMap::RemoveNamedItemNS(const nsAReadableString& aNamespaceURI, const nsAReadableString&aLocalName,
nsXMLNamedNodeMap::RemoveNamedItemNS(const nsString& aNamespaceURI,                                      const nsString&aLocalName,                                     nsIDOMNode** aReturn){  return NS_ERROR_NOT_IMPLEMENTED;}