NS_NewXBLFocusHandler(nsIDOMEventReceiver* aRec, nsIXBLPrototypeHandler* aHandler,
NS_NewXBLFocusHandler(nsIDOMEventReceiver* aRec, nsXBLPrototypeHandler* aHandler,
NS_NewXBLFocusHandler(nsIDOMEventReceiver* aRec, nsIXBLPrototypeHandler* aHandler,                       nsXBLFocusHandler** aResult){  *aResult = new nsXBLFocusHandler(aRec, aHandler);  if (!*aResult)    return NS_ERROR_OUT_OF_MEMORY;  NS_ADDREF(*aResult);  return NS_OK;}