if(_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
requestInit(obj);
if(_syncSlave.contains(classname) && _syncSlave[classname].contains(oldname) && oldname != newname) {
SyncableObject *obj = _syncSlave[classname][newname] = _syncSlave[classname].take(oldname);
requestInit(obj);