/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ // https://drafts.csswg.org/cssom/#the-cssgroupingrule-interface [Abstract, Exposed=Window] interface CSSGroupingRule : CSSRule { [SameObject] readonly attribute CSSRuleList cssRules; [Throws] unsigned long insertRule(DOMString rule, optional unsigned long index = 0); [Throws] undefined deleteRule(unsigned long index); };