[ Version ( since = "1.5.0" ) ]
public async GenericArray<unowned Release> get_downgrades_async (string device_id, Cancellable? cancellable) throws Error
Gets all the downgrades for a specific device.
You must have called [method@Client.connect_async] on this before using this method.
| this |
a Client |
| device_id |
the device ID |
| cancellable |
optional Cancellable |
| callback |
the function to run on completion |
| callback_data |
the data to pass to |