/// <reference types="node-persist" />
import * as NodePersist from 'node-persist';
export declare const sleep: (time: number) => Promise<void>;
export declare type LocalStorage = typeof NodePersist;
export declare let localStorage: (path: string) => LocalStorage;
export declare const exec: (cmd: string) => Promise<ChildProcessResult>;
export interface ChildProcessResult {
    stdout: string;
    stderr: string;
}
export declare const findPort: () => Promise<number>;