/**
 * WebsocketEnd is one end of a FakeWebsocket connection. It is used to simulate a websocket connection for testing or
 * matching the interface of a real websocket connection without doing any actual networking.
 */
declare class WebsocketEnd extends EventTarget {
    private readonly sendCallback;
    readonly protocol: string;
    private hasMessageListener;
    private bufferedEvents;
    constructor(protocol: string, sendCallback: (data: string | ArrayBufferLike | Blob | ArrayBufferView) => void);
    close(): void;
    addEventListener<K extends keyof WebSocketEventMap>(type: K, listener: (this: WebSocket, ev: WebSocketEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
    dispatchEvent(event: Event): boolean;
    send(data: string | ArrayBufferLike | Blob | ArrayBufferView): void;
}
/**
 * FakeWebsocket is a pair of WebsocketEnds that are connected to each other. It is used to simulate a websocket
 * connection for testing or matching the interface of a real websocket connection without doing any actual networking.
 */
export declare class FakeWebsocket {
    clientSideWebsocket: WebsocketEnd;
    serverSideWebsocket: WebsocketEnd;
    constructor(protocol: string);
}
export {};
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