/* Returns: (transfer full): the #GTypeClass for the type of @extension  */
GTypeClass* g_io_extension_ref_class(GIOExtension *extension)
/* Returns: (transfer full): the #GTypeClass for the type of @extension  */
GTypeClass* g_io_extension_ref_class(GIOExtension *extension)
{
  return g_type_class_ref (extension->type);
}