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// GENERATED CONTENT - DO NOT EDIT
// Content was automatically extracted by Reffy into webref
// Source: CSS Nesting Module (https://drafts.csswg.org/css-nesting-1/)
partial interface CSSStyleRule {
[SameObject] readonly attribute CSSRuleList cssRules;
unsigned long insertRule(CSSOMString rule, optional unsigned long index = 0);
undefined deleteRule(unsigned long index);
};