rem: WMAddTimerHandler(UD_SYNC_INTERVAL, synchronizeUserDefaults, NULL);
add: WMAddPersistentTimerHandler(UD_SYNC_INTERVAL, synchronizeUserDefaults, NULL);
context: addSynchronizeTimerHandler(void){    static Bool initialized = False;    if (!initialized) {        WMAddTimerHandler(UD_SYNC_INTERVAL, synchronizeUserDefaults, NULL);        initialized = True;    }}