// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// https://drafts.csswg.org/cssom/#the-cssgroupingrule-interface
[
Exposed=Window
] interface CSSGroupingRule : CSSRule {
[SameObject] readonly attribute CSSRuleList cssRules;
[RaisesException, CallWith=ExecutionContext] unsigned long insertRule(CSSOMString rule, optional unsigned long index = 0);
[RaisesException] void deleteRule(unsigned long index);
};