presto-main/src/main/java/io/prestosql/server/ExchangeExecutionMBean.java/ExchangeExecutionMBean/ExchangeExecutionMBean
class ExchangeExecutionMBean:    @Inject
    public ExchangeExecutionMBean(@ForExchange ScheduledExecutorService executor)
    {
        requireNonNull(executor, "executor is null");
        this.executorMBean = new ThreadPoolExecutorMBean((ThreadPoolExecutor) executor);
    }