code: @Nullable
    private TaskLockPosse createOrFindLockPosse(
        final Task task,
        final Interval interval,
        final TaskLockType lockType
    )
    {
      giant.lock();
  
      try {
        return createOrFindLockPosse(task, interval, null, lockType);
      }
      finally {
        giant.unlock();
      }
    }
docs: See {@link #createOrFindLockPosse(Task, Interval, String, TaskLockType)}