import { tl } from '../tl/index.js';
import { AsyncResource } from '@fuman/utils';
/**
 * Config manager is responsible for keeping
 * the current server configuration up-to-date
 * and providing methods to find the best DC
 * option for the current session.
 */
export declare class ConfigManager extends AsyncResource<tl.RawConfig> {
    constructor(update: () => Promise<tl.RawConfig>);
    findOption(params: {
        dcId: number;
        allowIpv6?: boolean;
        preferIpv6?: boolean;
        allowMedia?: boolean;
        preferMedia?: boolean;
        cdn?: boolean;
    }): Promise<tl.RawDcOption | undefined>;
}