import { NestMiddleware } from '@nestjs/common';
import { NextFunction, Request, Response } from 'express';
import { Counter, Gauge } from 'prom-client';
import { LogService } from '../../modules';
export declare class MicroMetricMiddleware implements NestMiddleware {
    private logService;
    private latencyMetric;
    private totalCallLatency;
    constructor(logService: LogService, latencyMetric: Gauge<string>, totalCallLatency: Counter<string>);
    use(req: Request, res: Response, next: NextFunction): void;
}
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