[ Version ( since = "0.17.9" ) ]
public async DocumentsMetadata get_metadata_async (Cancellable? cancellable) throws Error
Gets a DocumentsMetadata object containing metadata about the documents service itself, like how large the user quota is.
For more details, see get_metadata, which is the synchronous version of this function.
When the operation is finished, callback will be called. You can then call get_metadata_async.end
to get the results of the operation.
| this | |
| cancellable |
optional Cancellable object, or |
| callback |
a TaskReadyCallback to call when the operation is finished, or |
| user_data |
data to pass to the |