pub trait HTMLDialogElementMethods<D>where
D: DomTypes,{
// Required methods
fn Open(&self) -> bool;
fn SetOpen(&self, cx: &mut JSContext, value: bool);
fn ReturnValue(&self) -> DOMString;
fn SetReturnValue(&self, cx: &mut JSContext, value: DOMString);
fn Show(&self, cx: &mut JSContext) -> Result<(), Error>;
fn ShowModal(&self, cx: &mut JSContext) -> Result<(), Error>;
fn Close(&self, cx: &mut JSContext, returnValue: Option<DOMString>);
}