Function gdk4_wayland_sys::gdk_wayland_toplevel_export_handle

pub unsafe extern "C" fn gdk_wayland_toplevel_export_handle(
    toplevel: *mut GdkWaylandToplevel, 
    callback: GdkWaylandToplevelExported, 
    user_data: gpointer, 
    destroy_func: GDestroyNotify
) -> gboolean