import { ElasticMetricType } from "./entities/elastic.metric.type";
export declare class MetricsService {
    private static apiCpuTimeHistogram;
    private static apiCallsHistogram;
    private static pendingRequestsHistogram;
    private static externalCallsHistogram;
    private static elasticDurationHistogram;
    private static redisDurationHistogram;
    private static jobsHistogram;
    private static pendingApiHitGauge;
    private static cachedApiHitGauge;
    private static isDefaultMetricsRegistered;
    constructor();
    setApiCpuTime(endpoint: string, duration: number): void;
    setApiCall(endpoint: string, origin: string, status: number, duration: number): void;
    setPendingRequestsCount(count: number): void;
    setExternalCall(system: string, duration: number): void;
    setElasticDuration(collection: string, type: ElasticMetricType, duration: number): void;
    setRedisDuration(action: string, duration: number): void;
    static setJobResult(job: string, result: 'success' | 'error', duration: number): void;
    incrementPendingApiHit(endpoint: string): void;
    incrementCachedApiHit(endpoint: string): void;
    getMetrics(): Promise<string>;
}