export default class Middleware {
    middlewares: Array<(...args: Array<any>) => any | void>;
    constructor();
    /** Add a middleware to execute. */
    use(middleware: (...args: Array<any>) => any | void): this;
    /** Run all the middlewares with provided args. Next middleware is executed after the current has finished running. */
    run(...args: Array<any>): Promise<void>;
}