@Override
          protected Scheduler scheduler() {
            return new AbstractScheduledService.CustomScheduler() {
              @Override
              protected Schedule getNextSchedule() throws Exception {
                return new Schedule(Long.MAX_VALUE, SECONDS);
              }
            };
          }
        };
    service.startAsync().awaitRunning();

          @Override
          protected Scheduler scheduler() {
            return new AbstractScheduledService.CustomScheduler() {
              @Override
              protected Schedule getNextSchedule() throws Exception {
                return new Schedule(Long.MAX_VALUE, SECONDS);
              }
            };
          }
        };
    service.startAsync().awaitRunning();

   * A {@link Scheduler} that provides a convenient way for the {@link AbstractScheduledService} to
   * use a dynamically changing schedule. After every execution of the task, assuming it hasn't been
   * cancelled, the {@link #getNextSchedule} method will be called.
   *
   * @author Luke Sandberg
   * @since 11.0
   */
  public abstract static class CustomScheduler extends Scheduler {
    /** Constructor for use by subclasses. */