An enumeration of query status flags for a WorkingSet API
There was an error during the handling of the query.
The processing of the query is finished.
A query has been interrupted by a new query.
A query is not yet requested. In this status the layer's working set remains empty.
A query has been invoked, but the response has not been received yet.
The response of the query has been received but all processing has not been completed yet.