export interface UnixRpcClientOptions {
    path: string;
    /** A hung or dead server should never block a caller forever. Default 5000ms. */
    timeoutMs?: number;
}
/**
 * Builds a `(request: Request) => Promise<Response>` transport that sends
 * one request over a fresh connection to `path` and resolves with the
 * server's one response, then closes -- matching serveUnixRpc's own
 * one-request-per-connection contract (no keep-alive, no pipelining).
 */
export declare function connectUnixRpc(options: UnixRpcClientOptions): (request: Request) => Promise<Response>;