/**
     * Constructs an SMB2 echo request
     * @param config the client configuration
     */
    public Smb2EchoRequest(final Configuration config) {
        super(config, SMB2_ECHO);
    }

    @Override
    protected Smb2EchoResponse createResponse(final CIFSContext tc, final ServerMessageBlock2Request<Smb2EchoResponse> req) {
        return new Smb2EchoResponse(tc.getConfig());
    }

        case SMB2_WRITE -> "SMB2_WRITE";
        case SMB2_LOCK -> "SMB2_LOCK";
        case SMB2_IOCTL -> "SMB2_IOCTL";
        case SMB2_CANCEL -> "SMB2_CANCEL";
        case SMB2_ECHO -> "SMB2_ECHO";
        case SMB2_QUERY_DIRECTORY -> "SMB2_QUERY_DIRECTORY";
        case SMB2_CHANGE_NOTIFY -> "SMB2_CHANGE_NOTIFY";
        case SMB2_QUERY_INFO -> "SMB2_QUERY_INFO";
        case SMB2_SET_INFO -> "SMB2_SET_INFO";

        void testConstructor() throws Exception {
            Smb2EchoRequest request = new Smb2EchoRequest(mockConfig);
            assertNotNull(request);

            // Verify command is set to SMB2_ECHO (0x000D)
            assertEquals(0x000D, request.getCommand());

            // Verify configuration is set
            Field configField = ServerMessageBlock2.class.getDeclaredField("config");

            assertEquals(0x0B, ServerMessageBlock2.SMB2_IOCTL);
            assertEquals(0x0C, ServerMessageBlock2.SMB2_CANCEL);
            assertEquals(0x0D, ServerMessageBlock2.SMB2_ECHO);
            assertEquals(0x0E, ServerMessageBlock2.SMB2_QUERY_DIRECTORY);
            assertEquals(0x0F, ServerMessageBlock2.SMB2_CHANGE_NOTIFY);
            assertEquals(0x10, ServerMessageBlock2.SMB2_QUERY_INFO);