import { HttpProxySettings as FumanHttpProxySettings, ITcpConnection, SocksProxySettings, TcpEndpoint } from '@fuman/net';
import { ITelegramConnection, TelegramTransport, BaseMtProxyTransport, IntermediatePacketCodec } from '@mtcute/core';
import { BasicDcOption } from '@mtcute/core/utils.js';
export type { SocksProxySettings } from '@fuman/net';
export { HttpProxyConnectionError, SocksProxyConnectionError } from '@fuman/net';
export type { MtProxySettings } from '@mtcute/core';
export interface HttpProxySettings extends FumanHttpProxySettings {
    /**
     * Whether this is a HTTPS proxy (by default it is regular HTTP).
     */
    tls?: boolean;
}
export declare class HttpProxyTcpTransport implements TelegramTransport {
    readonly proxy: HttpProxySettings;
    constructor(proxy: HttpProxySettings);
    connect(dc: BasicDcOption, abortSignal: AbortSignal): Promise<ITelegramConnection>;
    packetCodec(): IntermediatePacketCodec;
}
export declare class SocksProxyTcpTransport implements TelegramTransport {
    readonly proxy: SocksProxySettings;
    constructor(proxy: SocksProxySettings);
    connect(dc: BasicDcOption, abortSignal: AbortSignal): Promise<ITelegramConnection>;
    packetCodec(): IntermediatePacketCodec;
}
export declare class MtProxyTcpTransport extends BaseMtProxyTransport {
    _connectTcp(endpoint: TcpEndpoint, abortSignal: AbortSignal): Promise<ITcpConnection>;
}
/**
 * Create a proxy transport based on an url.
 *
 * Supported URLs (self-explanatory):
 * - `socks4://user:pass@1.2.3.4:80`
 * - `socks5://user:pass@1.2.3.4:80`
 * - `http://user:pass@1.2.3.4:80`
 * - `https://user:pass@1.2.3.4:443`
 * - `https://t.me/proxy?server=example.com&port=443&secret=3dpBFlW2hP6Hq_WOwiNeKBY`
 * @returns  Transport for that proxy
 */
export declare const proxyTransportFromUrl: (url: string) => TelegramTransport;