/**
 * Force-exit the process to avoid hanging on open connections.
 *
 * On Windows, briefly yield first so undici can finish closing pending sockets;
 * otherwise the process aborts with a libuv UV_HANDLE_CLOSING assertion in
 * `src\win\async.c`. See https://github.com/nodejs/node/issues/56645.
 */
export declare function safeExit(code: number): Promise<never>;