import type { TunnelServer } from '../tunnel-server.js';
import type { RuleMatch } from './rule-match.js';
export type GeoLite2Options = {
    path: string;
};
export declare class GeoLite2 {
    readonly path: string;
    tunnelServer: TunnelServer;
    private readerPromise;
    /**
     * Will be set to `undefined` after the first successful loading (from either
     * saved file or update).
     */
    private readerResolver;
    constructor({ path }: GeoLite2Options);
    createGeoIPRuleMatch(pattern: string | string[]): RuleMatch;
    private updating;
    private updatedAt;
    private get outdated();
    private initializeCalled;
    private initializeOrUpdate;
    private initialize;
    private update;
    private get;
}