import http from 'node:http';
import { EventEmitter } from 'events';
import { Logger } from '../utils/Logger';
export interface GsiListenerOptions {
    logger?: Logger | null;
    port?: number;
    allowedUAs?: string[];
    enableUACheck?: boolean;
}
export interface GsiListenerEvents {
    ready: (port: number) => void;
    gsiUpdate: (json: any) => void;
    error: (err: Error) => void;
}
export declare class GsiListener extends EventEmitter {
    private logger;
    private port;
    private allowedUAs;
    private enableUACheck;
    private server;
    constructor({ logger, port, allowedUAs, enableUACheck }?: GsiListenerOptions);
    start(port?: number): void;
    handleHttp(req: http.IncomingMessage, res: http.ServerResponse): void;
    stop(): void;
}