fn value_from_js_object<T: DictionaryFromJSVal>(
cx: JSContext,
value: HandleValue<'_>,
can_gc: CanGc,
) -> Fallible<T>
fn value_from_js_object<T: DictionaryFromJSVal>(
cx: JSContext,
value: HandleValue<'_>,
can_gc: CanGc,
) -> Fallible<T>