import org.simantics.db.ChangeSetIdentifier;
import org.simantics.db.Session;
-import org.simantics.db.VirtualGraph;
import org.simantics.db.WriteGraph;
import org.simantics.db.exception.CancelTransactionException;
import org.simantics.db.exception.DatabaseException;
ChangeSetIdentifier getIdentifier();
- VirtualGraph getProvider();
-
void fillMetadata(Map<String, String> metadata);
}