addPossiblyNullObject(((SetGlobalCommand) cmdObj).getObject(), extraClassInstanceList); } else if( cmdObj instanceof InsertObjectCommand ) { addPossiblyNullObject(((InsertObjectCommand) cmdObj).getObject(), extraClassInstanceList); } else if( cmdObj instanceof UpdateCommand ) { addPossiblyNullObject(((UpdateCommand) cmdObj).getObject(), extraClassInstanceList);