GdkX11.x11_get_default_root_xwindow
function x11_get_default_root_xwindow(): xlib.Window {
    // Gjs wrapper for gdk_x11_get_default_root_xwindow()
}
  Gets the root window of the default screen (see GdkX11.x11_get_default_screen).
- Returns
 an Xlib Window.