Finishes a default #GAppInfo lookup started by gio.app_info.AppInfo.getDefaultForUriSchemeAsync.
If no #GAppInfo is found, then error will be set to gio.types.IOErrorEnum.NotFound.
a #GAsyncResult
#GAppInfo for given uri_scheme or null on error.
Finishes a default #GAppInfo lookup started by gio.app_info.AppInfo.getDefaultForUriSchemeAsync.
If no #GAppInfo is found, then error will be set to gio.types.IOErrorEnum.NotFound.