A function that will listen for message event on each worker.

A function that will listen for message event processing error on each worker.

A function that will listen for error event on each worker.

Whether to start the minimum number of workers at pool initialization.

The worker choice strategy to use in this pool.

The worker choice strategy options.

Restart worker on error.

Pool events emission.

Pool worker node tasks queue.

Pool worker node tasks queue options.

Worker options.