/// <reference types="node" />
import { Server } from "http";
import client from "prom-client";
import { Scraper } from "../index";
import { EventEmitter } from "events";
import { ScrapeResult } from "../scraper";
interface Exporter {
    on(event: "info", listener: (message: string) => void): this;
    on(event: "warn", listener: (message: string) => void): this;
    on(event: "error", listener: (message: string) => void): this;
    on(event: "debug", listener: (message: string) => void): this;
    on(event: string, listener: (...args: any[]) => void): this;
}
declare class Exporter extends EventEmitter {
    options: ExporterOptions;
    server: Server | null;
    register: client.Registry;
    scraper: Scraper;
    gauges: {
        getProperty: (res: ScrapeResult) => number;
        gauge: client.Gauge<string>;
    }[];
    constructor(options: ExporterOptions);
    private _emitLog;
    start(): this;
    private _handleTestsFinish;
    private _get;
    stop(): void;
}
export { Exporter };
export interface ExporterOptions {
    port: number;
    scraper: Scraper;
}