/// <reference types="node" />
import fs from "fs";
import { Server } from "net";
import { Application } from "express";
import pluralize from "pluralize";
export declare const exists: typeof fs.exists.__promisify__;
export declare namespace display {
    function address(server: Server): string;
}
export declare namespace json {
    function post<T = any>(input: string, body: object): Promise<[T, Response]>;
    function read<T = any>(path: string): Promise<T>;
    function write(path: string, json: any): Promise<void>;
}
export declare namespace net {
    function listen(app: Application, port: number): Promise<[string, Server]>;
}
export declare namespace string {
    const plural: typeof pluralize.plural, singular: typeof pluralize.singular;
    function fieldify(input: string): string;
    function typeify(input: string): string;
}
export declare function isDevEnv(): boolean;
export declare function mkdir(path: fs.PathLike): Promise<void>;