import { Binding, Context } from '@loopback/core';
import { RequestContext } from '@loopback/rest';
import { Logger } from '../util';
/**
 * A simple controller to bounce back http requests
 */
export declare class PingController {
    private binding;
    private logger;
    constructor(resolutionCtx: Context, binding: Binding<unknown>, logger: Logger);
    ping(requestCtx: RequestContext): Promise<object>;
}