Function mozjs::rust::wrappers::GetSavedFrameAsyncCause

pub unsafe fn GetSavedFrameAsyncCause(
    cx: *mut JSContext,
    principals: *mut JSPrincipals,
    savedFrame: HandleObject<'_>,
    asyncCausep: MutableHandle<'_, *mut JSString>,
    selfHosted: SavedFrameSelfHosted
) -> SavedFrameResult