* @action_id: The action to check for.
* @flags: A set of #PolkitCheckAuthorizationFlags.
* @cancellable: A #GCancellable or %NULL.
- * @callback: A #GAsyncReadyCallback to call when the request is satisfied.
- * @user_data: The data to pass to @callback.
+ * @error: Return location for error or %NULL.
*
* Checks if @subject is authorized to perform the action represented by @action_id.
*
* @action_id: The action to obtain for.
* @flags: A set of #PolkitObtainAuthorizationFlags.
* @cancellable: A #GCancellable or %NULL.
- * @callback: A #GAsyncReadyCallback to call when the request is satisfied.
- * @user_data: The data to pass to @callback.
+ * @error: Return location for error or %NULL.
*
* Obtains a temporary authorization for @subject to perform the
* action represented by @action_id.