NS_IMETHOD AppendChildTo(nsIContent* aKid, PRBool aNotify) { return mInner.AppendChildTo(aKid, aNotify);
NS_IMETHOD AppendChildTo(nsIContent* aKid, PRBool aNotify, PRBool aDeepSetDocument) { return mInner.AppendChildTo(aKid, aNotify, aDeepSetDocument);
  NS_IMETHOD AppendChildTo(nsIContent* aKid, PRBool aNotify) {    return mInner.AppendChildTo(aKid, aNotify);  }