class RemitSyncExecutor implements Handler.Callback {

    void removePostWithIds(int[] ids) {
        for (int id : ids) {
            handler.removeMessages(id);
        }
    }

      RemitSyncExecutor(@NonNull RemitAgent agent);
      RemitSyncExecutor(@NonNull RemitAgent agent, @Nullable Handler handler,
                      @NonNull Set<Integer> freeToDBIdList);

}