docs: public Thread newThread(Runnable r) {
  
      /* Use the inner ThreadFactory to create a new thread. */
      Thread thread = this.inner.newThread(r);
  
      /* Make the thread a daemon thread that runs at the lowest possible
       * priority.
       */
      thread.setDaemon(true);
      thread.setPriority(Thread.MIN_PRIORITY);
  
      return thread;
  
    }