import { NextFunction } from "express-serve-static-core";

/**
 * Simulates latency on express requests when header is provided
 */
declare function delay(options?: delay.Options): NextFunction;

declare namespace delay {
    interface Options {
        /**
         * @default 'delay'
         */
        headerName?: string | undefined;
        /**
         * @default 'development'
         */
        nodeEnv?: string | string[] | undefined;
        /**
         * @default setTimeout
         */
        timeoutFunction?: ((next: () => void, ms: number) => void) | undefined;
        /**
         * @default process.env.NODE_ENV
         */
        currentEnv?: string | undefined;
    }
}

export = delay;