pub(crate) trait CSSGroupingRuleMethods<D>where
D: DomTypes,{
// Required methods
fn CssRules(
&self,
_can_gc: CanGc,
) -> Root<Dom<<D as DomTypes>::CSSRuleList>>;
fn InsertRule(
&self,
rule: DOMString,
index: u32,
_can_gc: CanGc,
) -> Result<u32, Error>;
fn DeleteRule(&self, index: u32, _can_gc: CanGc) -> Result<(), Error>;
}