import { type Message } from './message/messages';
export declare abstract class WebSocketSession {
    abstract open(url: string): Promise<void>;
    abstract close(): Promise<void>;
    abstract onClose(listener: Function): void;
    send(message: Message): Promise<void>;
    onMessage(listener: (message: Message) => Promise<void>): void;
    protected abstract onRawMessage(listener: (data: Uint8Array) => void | Promise<void>): void;
    protected abstract sendRaw(data: Uint8Array): Promise<void>;
}
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