import type { Counter, Gauge, Histogram, Summary } from 'prom-client';
import type { DeepRequired } from 'ts-essentials';
export type TLabelValues = Record<string, string | number>;
type TContext<Q, S> = {
    req: Q;
    res: S;
};
export type TOptionalPromsterOptions = {
    labels?: string[];
    metricPrefix?: string;
    metricTypes?: string[];
    metricNames?: Record<string, string | string[]>;
    normalizePath?: <Q, S>(path: string, context: TContext<Q, S>) => string;
    normalizeStatusCode?: <Q, S>(code: number, context: TContext<Q, S>) => number;
    normalizeMethod?: <Q, S>(method: string, context: TContext<Q, S>) => string;
    getLabelValues?: <Q, S>(request: Q, response: S) => TLabelValues;
    detectKubernetes?: boolean;
    metricBuckets?: Record<string, number[]>;
    metricPercentiles?: Record<string, number[]>;
    disableGcMetrics?: boolean;
    gcCollectionInterval?: number;
};
export type TDefaultedPromsterOptions = DeepRequired<TOptionalPromsterOptions>;
export type THttpMetrics = {
    httpRequestDurationPerPercentileInSeconds?: Summary[];
    httpRequestDurationInSeconds?: Histogram[];
    httpRequestsTotal?: Counter[];
    httpRequestContentLengthInBytes?: Histogram[];
    httpResponseContentLengthInBytes?: Histogram[];
};
export type TGcMetrics = {
    up: Gauge[];
};
export type TGraphQlMetrics = {
    graphQlParseDuration?: Histogram[];
    graphQlValidationDuration?: Histogram[];
    graphQlResolveFieldDuration?: Histogram[];
    graphQlRequestDuration?: Histogram[];
    graphQlErrorsTotal?: Counter[];
};
export type TValueOf<T> = T[keyof T];
export {};