import type { Server as HttpServer } from "node:http";
import type { ChannelConnection, ChannelTransport } from "./connection.ts";
export interface WebSocketChannelTransportOptions {
    /** Port to bind (the app's own port). Use 0 for an ephemeral port. Ignored if `server` is set. */
    port?: number;
    /** Host/interface to bind. Ignored if `server` is set. */
    host?: string;
    /** Path the channel is served on. Default `/agentic`. */
    path?: string;
    /** Attach to an existing app HTTP server (share the app's port) instead of binding a new one. */
    server?: HttpServer;
}
export declare class WebSocketChannelTransport implements ChannelTransport {
    #private;
    constructor(options?: WebSocketChannelTransportOptions);
    onConnection(listener: (conn: ChannelConnection) => void): void;
    /** Resolve once the server is listening on its port. */
    ready(): Promise<void>;
    get address(): {
        readonly port: number;
    } | null;
    close(): Promise<void>;
}