/**
 * Copyright 2024 Mytra Control S.L. All rights reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be found in the LICENSE file
 * or at https://opensource.org/licenses/MIT.
 */
import { NextFunction, Request, Response } from 'express';
import { Service } from './metrics.service';
/** Controller class */
export declare class Controller {
    private readonly service;
    private readonly isCluster;
    /**
     * Create an instance of Controller class
     * @param service - service instance
     * @param isCluster - indicates that the instance of this metrics service is running in a cluster
     */
    constructor(service: Service, isCluster: boolean);
    /**
     * Return all the actual metrics of this artifact
     * @param request - HTTP request express object
     * @param response - HTTP response express object
     * @param next - Next express middleware function
     */
    metrics(request: Request, response: Response, next: NextFunction): void;
    /**
     * Check if the request is acceptable due to the format
     * @param request - HTTP request express object
     */
    private isAcceptable;
}
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