import type { ManagedSocket, SocketFactory } from "./index.js";
/** The subset of the standard WebSocket this adapter relies on (no DOM lib needed). */
export interface WebSocketLike {
    readyState: number;
    binaryType: string;
    send(data: string | ArrayBufferView | ArrayBuffer): void;
    close(code?: number, reason?: string): void;
    addEventListener(type: string, listener: (event: WebSocketEventLike) => void): void;
}
/** The event object a standard WebSocket hands its listeners (message: data; close: code/reason). */
export interface WebSocketEventLike {
    readonly data?: string | ArrayBuffer;
    readonly code?: number;
    readonly reason?: string;
}
/** Factory using the runtime's global WebSocket (no auth headers — same-origin or token-in-URL). */
export declare const createWebSocketAdapter: SocketFactory;
/** Wrap an already-constructed WebSocket (e.g. a Workers fetch-upgrade `response.webSocket`). */
export declare function wrapWebSocket(ws: WebSocketLike): ManagedSocket;
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