nsresult InsertChildAt(nsIContent* aKid, PRInt32 aIndex, PRBool aNotify) {
nsresult InsertChildAt(nsIContent* aKid, PRInt32 aIndex, PRBool aNotify, PRBool aDeepSetDocument) {
  nsresult InsertChildAt(nsIContent* aKid, PRInt32 aIndex, PRBool aNotify) {    return NS_OK;  }