/// <reference types="bun-types" />
import type { Server, ServerWebSocket, WebSocketHandler } from 'bun';
import type { Context } from '../types';
declare const symbol: unique symbol;
export declare namespace ws {
    interface Data {
        f: WebSocketHandler<any>;
        body: any;
    }
    interface Socket<D = any> extends ServerWebSocket<D> {
        _: WebSocketHandler<D>;
    }
    const options: WebSocketHandler<Data>;
    /**
     * A WebSocket route
     */
    interface Route<D = any> {
        /**
         * Bind to a server
         */
        bind(server: Server): this;
        /**
         * Upgrade to WebSocket
         */
        upgrade(ctx: Context, info?: {
            data?: D;
            headers?: Bun.HeadersInit;
        }): boolean;
        /**
         * Current Bun server
         */
        server: Server;
        /**
         * The special symbol to check for WebSocket route
         */
        [symbol]: null;
    }
    /**
     * Create a WebSocket route
     */
    const route: <D = any>(f: WebSocketHandler<D>) => Route<D>;
    const isRoute: (d: any) => d is Route<any>;
}
export {};