private ChannelManager channelManager;

    // Witness protocol support fields
    private WitnessClient witnessClient;
    private boolean witnessEnabled;

    // SMB3 lease support
    private LeaseManager leaseManager;

    // SMB3 persistent handle support
    private PersistentHandleManager persistentHandleManager;

            cipherId = EncryptionNegotiateContext.CIPHER_AES128_CCM;
        } else {
            throw new SmbUnsupportedOperationException("SMB3 required for encryption, negotiated: " + dialect);
        }

        try {
            // Derive encryption and decryption keys using SMB3 KDF
            final int dialectInt = dialect.getDialect();