import { Application, HttpContext, Middleware as MiddlewareContract, NextHandler } from '@supercharge/contracts';
export declare abstract class Middleware implements MiddlewareContract {
    /**
     * Stores the app instance.
     */
    protected readonly app: Application;
    /**
     * Create a new middleware instance.
     */
    constructor(app: Application);
    /**
     * Run the middleware processing on the given HTTP `ctx`.
     */
    abstract handle(ctx: HttpContext, next: NextHandler): Promise<any> | any;
}