Find the objects matching the passed attributes.
This call will return immediately and complete asynchronously.
If the match Attributes is floating, it is consumed.
| this |
The session to find objects on. |
| match |
The attributes to match. |
| cancellable |
Optional cancellation object or null. |
| callback |
Called when the operation completes. |
| user_data |
Data to pass to the callback. |