Search for items in the secret service.
The attributes should be a set of key and value string pairs.
If no secret is found then null is returned.
This method may block indefinitely and should not be used in user interface threads.
| schema |
the schema for attributes |
| attributes |
the attribute keys and values |
| flags |
search option flags |
| cancellable |
optional cancellation object |
|
a list of [iface@Retrievable] containing attributes of the matched items |