export interface WebSocketLike {
    addEventListener(type: EventType, listener: EventListener): void;
    removeEventListener(type: EventType, listener: EventListener): void;
    send(message: any): void;
    close(): void;
}
type EventType = 'open' | 'message' | 'close' | 'error';
type EventListener = (event: {
    data: any;
}) => void;
export {};
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