Trait DocumentTypeMethods 
Source pub(crate) trait DocumentTypeMethods<D>{
    // Required methods
    fn Name(&self) -> DOMString;
    fn PublicId(&self) -> DOMString;
    fn SystemId(&self) -> DOMString;
    fn Before(
        &self,
        nodes: Vec<NodeOrString<D>>,
        _can_gc: CanGc,
    ) -> Result<(), Error>;
    fn After(
        &self,
        nodes: Vec<NodeOrString<D>>,
        _can_gc: CanGc,
    ) -> Result<(), Error>;
    fn ReplaceWith(
        &self,
        nodes: Vec<NodeOrString<D>>,
        _can_gc: CanGc,
    ) -> Result<(), Error>;
    fn Remove(&self, _can_gc: CanGc);
}