-import { DynamicThreadPool } from 'poolifier';
-import Utils from '../utils/Utils';
-import WorkerAbstract from './WorkerAbstract';
-import { WorkerUtils } from './WorkerUtils';
+import { WorkerAbstract } from './WorkerAbstract';
+import type { WorkerData, WorkerOptions } from './WorkerTypes';
+import { sleep } from './WorkerUtils';