NS_IMETHOD StyleRuleRemoved(nsIDocument *aDocument, nsIStyleSheet* aStyleSheet, nsIStyleRule* aStyleRule) { return NS_OK; }
HTMLContentSink::StyleRuleRemoved(nsIDocument *aDocument, nsIStyleSheet* aStyleSheet, nsIStyleRule* aStyleRule) { return NS_OK; }
  NS_IMETHOD StyleRuleRemoved(nsIDocument *aDocument,                              nsIStyleSheet* aStyleSheet,                              nsIStyleRule* aStyleRule)  {    return NS_OK;  }