import { A as API, W as WrapAPIToClient } from '../caller-CuhDuQrt.js';

interface MessageEventLike<T> {
    data: T;
}
interface WebSocketLike {
    send(data: string): void;
    addEventListener(event: 'message', listener: (event: MessageEventLike<string>) => void): void;
    removeEventListener(event: 'message', listener: (event: MessageEventLike<string>) => void): void;
}
interface WebSocketConnectionOptions {
    socket: WebSocketLike;
}
/**
 * Create a new WebSocket transport for making **outgoing** requests only. No API
 * is exposed to the remote side.
 *
 * @example
 * ```ts
 * const client = websocket<{hello: () => Promise<string>}>({socket});
 * const msg = await client.hello();
 * ```
 *
 * @param options Options for the WebSocket connection
 * @returns A proxy that asynchronously invokes the remote API methods
 */
declare function websocket<T extends API>(options: WebSocketConnectionOptions): WrapAPIToClient<T>;
/**
 * Create a **bi-directional** WebSocket transport. An `api` object is exposed to
 * the remote side while you simultaneously gain a proxy for calling the remote
 * API.
 *
 * @example
 * ```ts
 * const api = {
 *   ping: () => 'pong',
 * };
 * const peer = websocket<{add(a:number,b:number):Promise<number>}>({socket}, api);
 * const sum = await peer.add(1, 2);
 * ```
 *
 * @param options Options for the WebSocket connection
 * @param api The local API surface to expose to the other side
 * @returns A proxy that asynchronously invokes the remote API
 */
declare function websocket<T extends API>(options: WebSocketConnectionOptions, api: API): WrapAPIToClient<T>;

export { type MessageEventLike, type WebSocketConnectionOptions, type WebSocketLike, websocket };