Ensure that the Service proxy has loaded all the collections present in the Secret Service.
This affects the result of [methodService.get_collections].
You can also pass the LOAD_COLLECTIONS to [func
Service.get_sync] in order to ensure that the collections have been loaded by the time you get the
Service proxy.
This method may block indefinitely and should not be used in user interface threads.
| this |
the secret service |
| cancellable |
optional cancellation object |
|
whether the load was successful or not |