for (int i = 0; i < size; i++) {
      builder.add(i);
    }
    keys = builder.build();
    threadPool =
        Executors.newFixedThreadPool(threads, new ThreadFactoryBuilder().setDaemon(true).build());
  }

  @Benchmark
  long add(final int reps) throws ExecutionException, InterruptedException {
    return doMultithreadedLoop(
        new Callable<Long>() {
          @Override

            } catch (InterruptedException e) {
              // simply finish execution
            } finally {
              lock.unlock();
            }
          }
        };
    thread.setDaemon(true);
    thread.start();
    awaitUninterruptibly(latch);
    return thread;
  }

  private static class TestCondition implements Condition {
    private final Lock lock;

                log.debug("Connecting " + this.name);
            }

            this.state = 1;
            this.te = null;

            Thread t = new Thread(this, this.name);
            t.setDaemon(true);
            this.thread = t;

            synchronized ( this.thread ) {
                t.start();
                t.wait(timeout); /* wait for doConnect */

                st = this.state;

  }

  @J2ktIncompatible
  @GwtIncompatible // TODO
  private static void useDaemonThreadFactory(ThreadPoolExecutor executor) {
    executor.setThreadFactory(
        new ThreadFactoryBuilder()
            .setDaemon(true)
            .setThreadFactory(executor.getThreadFactory())
            .build());
  }

  // See newDirectExecutorService javadoc for behavioral notes.
  @J2ktIncompatible
  @GwtIncompatible // TODO

  }

  /** Returns a new started daemon Thread running the given runnable. */
  Thread newStartedThread(Runnable runnable) {
    Thread t = new Thread(runnable);
    t.setDaemon(true);
    t.start();
    return t;
  }

  /**
   * Waits for the specified time (in milliseconds) for the thread to terminate (using {@link

  }

  /** Returns a new started daemon Thread running the given runnable. */
  Thread newStartedThread(Runnable runnable) {
    Thread t = new Thread(runnable);
    t.setDaemon(true);
    t.start();
    return t;
  }

  /**
   * Waits for the specified time (in milliseconds) for the thread to terminate (using {@link

                throw new SmbException("Source and destination paths overlap.");
            }

            WriterThread w = new WriterThread();
            w.setDaemon(true);

            try {
                w.start();
                // use commonly acceptable buffer size
                int bsize = Math.min(sh.getReceiveBufferSize() - 70, dh.getSendBufferSize() - 70);

                throw new SmbException( "Source and destination paths overlap." );
            }
        } catch (UnknownHostException uhe) {
        }

        w = new WriterThread();
        w.setDaemon( true );
        w.start();

        /* Downgrade one transport to the lower of the negotiated buffer sizes
         * so we can just send whatever is received.
         */