import type { AsyncLocalStorage } from "node:async_hooks";
import type { EventEmitter } from "node:events";
export type AsyncLocalStorageCtor = new <T>() => AsyncLocalStorage<T>;
export declare function getAsyncLocalStorageCtor(): AsyncLocalStorageCtor | undefined;
export declare function getWorkerThreads(): typeof import("node:worker_threads") | undefined;
export declare function createEventEmitter(): EventEmitter;