1. @DomName('CSSGroupingRule.deleteRule')
  2. @DocsEditable()
  3. @Experimental()
void deleteRule(int index)

Source

@DomName('CSSGroupingRule.deleteRule')
@DocsEditable()
@Experimental() // untriaged
void deleteRule(int index) =>
    _blink.BlinkCSSGroupingRule.instance.deleteRule_Callback_1_(this, index);