/**
 * @license
 * Copyright 2026 Qwen
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * Minimal socket abstraction shared by the realtime client and its tests.
 *
 * Ported verbatim from packages/cli/src/ui/voice/voice-stream-session.ts so
 * the ported realtime client (and its FakeSocket-based tests) keep the exact
 * injection seam they were written against.
 */
export interface SocketLike {
    readyState: number;
    OPEN: number;
    bufferedAmount?: number;
    send: (data: string | Uint8Array) => void;
    close: () => void;
    on: (event: string, cb: (...args: unknown[]) => void) => void;
}
/**
 * Derive the WebSocket origin for a DashScope-style HTTP base URL: swap the
 * scheme and strip a trailing `/compatible-mode/v1` or `/v1` path prefix.
 */
export declare function deriveWebSocketBase(baseUrl: string): string;