docs: public synchronized void synchronizeWith(UpdateSynchronizer newsync) {
      // LoggingUtil.warning("Synchronizing: " + sync + " " + newsync, new
      // Throwable());
      if(synchronizer == newsync) {
        LoggingUtil.warning("Double-synced to the same plot!", new Throwable());
        return;
      }
      if(synchronizer != null) {
        LoggingUtil.warning("Attempting to synchronize to more than one synchronizer.");
        return;
      }
      synchronizer = newsync;
      newsync.addUpdateRunner(this);
    }