code: public void addRepeatingTask(final long repeatEvery, final TimeUnit timeUnit, final Runnable task) {
  
          repeatingTasks.add(new RepeatingTask(task, timeUnit, repeatEvery));
      }
docs: Add a task that gets repeated.
  
  @param repeatEvery repeat Every time period
  @param timeUnit    unit for repeatEvery
  @param task        task to perform