pub unsafe extern "C" fn dzl_shortcut_controller_add_command_callback(
self_: *mut DzlShortcutController,
command_id: *const c_char,
default_accel: *const c_char,
phase: DzlShortcutPhase,
callback: GtkCallback,
callback_data: gpointer,
callback_data_destroy: GDestroyNotify
)