workerOptions?.elementStartDelay ?? WorkerConstants.DEFAULT_ELEMENT_START_DELAY;
workerOptions.poolOptions = workerOptions?.poolOptions ?? ({} as PoolOptions<Worker>);
workerOptions?.messageHandler &&
workerOptions?.elementStartDelay ?? WorkerConstants.DEFAULT_ELEMENT_START_DELAY;
workerOptions.poolOptions = workerOptions?.poolOptions ?? ({} as PoolOptions<Worker>);
workerOptions?.messageHandler &&