- * Returns: (element-type GUdevDevice) (transfer full): A list of #GUdevDevice objects. The caller should free the result by using g_object_unref() on each element in the list and then g_list_free() on the list.
+ * Returns: (nullable) (element-type GUdevDevice) (transfer full): A
+ * list of #GUdevDevice objects. The caller should free the result by
+ * using g_object_unref() on each element in the list and then