* After this time, newly created workers will be terminated.
* The last active time of your worker unit will be updated when a task is submitted to a worker or when a worker terminate a task.
* If `killBehavior` is set to `HARD` this value represents also the timeout for the tasks that you submit to the pool,
* After this time, newly created workers will be terminated.
* The last active time of your worker unit will be updated when a task is submitted to a worker or when a worker terminate a task.
* If `killBehavior` is set to `HARD` this value represents also the timeout for the tasks that you submit to the pool,