Gets supported privileges for the uri, or, in case it's null, for the URI defined in
associated Source.
The root node of out_privileges has always null data.
Free the returned out_privileges with
util_free_privileges when no longer needed.
| this | |
| uri |
URI to issue the request for, or null to read from Source |
| out_privileges |
return location for the tree of supported privileges |
| cancellable |
optional Cancellable object, or null |
|
Whether succeeded. |