} from '../utils'
import { Deque } from '../deque'
import {
+ type BackPressureCallback,
+ type EmptyQueueCallback,
type IWorker,
type IWorkerNode,
type WorkerInfo,
type WorkerUsage
} from './worker'
-type EmptyQueueCallback = (workerId: number) => void
-type BackPressureCallback = EmptyQueueCallback
-
/**
* Worker node.
*