import { BinaryFrameCodec } from '../BinaryFrameCodec';
export declare class WebSocketBinaryFrameCodecImpl implements BinaryFrameCodec {
    private deviceToServer;
    private serverToDevice;
    private inCount;
    private outCount;
    constructor(deviceToServer: Uint8Array, serverToDevice: Uint8Array);
    encrypt(data: Uint8Array): Uint8Array;
    decrypt(data: Uint8Array): Uint8Array | null;
}