import type NStats from "nstats";
import { type MetricConfiguration } from "prom-client";
export declare const nstats: typeof NStats;
export declare const server: import("http").Server<typeof import("http").IncomingMessage, typeof import("http").ServerResponse>;
export * from "prom-client";
export interface PseudoMetricConfiguration<T extends string> {
    name: `${string}_info`;
    help: string;
    labels?: Record<T, string>;
    collect?: (this: PseudoMetric<T>) => void | Promise<void>;
    registers?: MetricConfiguration<T>["registers"];
}
export declare class PseudoMetric<T extends string = string> {
    #private;
    constructor({ name, help, labels, registers, collect, }: PseudoMetricConfiguration<T>);
    set(labels: Record<T, string>): void;
}