import { HttpRequest, HttpResponse } from '../types';
import { MetricsCollector, MetricsConfig } from './types';
export declare class BaseMetricsCollector implements MetricsCollector {
    private client;
    private config;
    private collectInterval?;
    constructor(config: MetricsConfig);
    recordResponseTime(route: string, method: string, duration: number): void;
    recordRequestCount(route: string, method: string, statusCode: number): void;
    recordErrorRate(route: string, method: string, errorType: string): void;
    recordMemoryUsage(): void;
    recordCpuUsage(): void;
    counter(name: string, value?: number, labels?: Record<string, string | number>): void;
    histogram(name: string, value: number, labels?: Record<string, string | number>): void;
    gauge(name: string, value: number, labels?: Record<string, string | number>): void;
    summary(name: string, value: number, labels?: Record<string, string | number>): void;
    withRequestContext(req: HttpRequest, res: HttpResponse, next: () => void): void;
    private sanitizeRoute;
    private extractRoute;
    private getErrorType;
    private enrichLabels;
    private startPeriodicCollection;
    destroy(): void;
}