import * as client from 'prom-client';
import { IMetricArguments, GenericMetric, CounterMetric, GaugeMetric, HistogramMetric, SummaryMetric, Registry, IHistogramMetricArguments } from '../interfaces';
declare type MetricType = 'Counter' | 'Gauge' | 'Histogram' | 'Summary';
export declare function getMetricToken(type: MetricType, name: string): string;
export declare function getRegistryName(name: string): string;
export declare function getOptionsName(name: string): string;
export declare function getRegistry(name?: string): client.Registry;
export declare function getDefaultRegistry(): client.Registry;
export declare function findOrCreateMetric({ name, type, help, labelNames, registry, buckets, }: {
    name: string;
    type: MetricType;
    help?: string;
    labelNames?: string[];
    registry?: Registry;
    buckets?: number[];
}): GenericMetric;
export declare function findOrCreateCounter(args: IMetricArguments): CounterMetric;
export declare function findOrCreateGauge(args: IMetricArguments): GaugeMetric;
export declare function findOrCreateHistogram(args: IHistogramMetricArguments): HistogramMetric;
export declare function findOrCreateSummary(args: IMetricArguments): SummaryMetric;
export {};