import { type FrpcReleasePlatform } from './frpc-extract.js';
import type { FrpcDownloadProgress } from './tunnel-types.js';
export declare const FRPC_VERSION = "0.62.1";
export type { FrpcDownloadProgress };
export type EnsureFrpcBinaryOptions = {
    onProgress?: (progress: FrpcDownloadProgress) => void;
};
export declare function buildFrpcReleaseBasename(frpPlatform: FrpcReleasePlatform, arch: string, version?: string): string;
export declare function frpcDownloadUrlsForTarget(frpPlatform: FrpcReleasePlatform, arch: string, version?: string): string[];
/** Set after a successful tunnel start so subprocesses can resolve the same binary. */
export declare function publishFrpcPathForProcess(binPath: string): void;
/** Clear runtime frpc path when the tunnel stops (no bundled Electron binary). */
export declare function clearFrpcPathForProcess(): void;
export declare function ensureFrpcBinary(opts?: EnsureFrpcBinaryOptions): Promise<string>;