@Override
    public void encode_in(NdrBuffer buf) throws NdrException {
        encodeWitnessParameters(buf);
    }

    @Override
    public void decode_out(NdrBuffer buf) throws NdrException {
        decodeWitnessParameters(buf);
        // The return code is always the last 4 bytes in MS-SWN responses
        returnCode = buf.dec_ndr_long();
    }

            buffer.enc_ndr_string(request.getServerAddress());
            buffer.enc_ndr_long(request.getFlags());
        }
        
        @Override
        public void decode_out(NdrBuffer buffer) throws NdrException {
            // Decode WitnessRegister response
            response = new WitnessRegisterResponse();
            response.setRegistrationId(buffer.dec_ndr_string());

        @Override
        public void encode_in(NdrBuffer buf) throws NdrException {
            // Simulate encoding some data
            buf.enc_ndr_long(12345);
        }

        @Override
        public void decode_out(NdrBuffer buf) throws NdrException {
            // Simulate decoding some data
            buf.dec_ndr_long();
        }
    }

    @BeforeEach
    void setUp() {

        lsarpc.LsarClose lsarClose = new lsarpc.LsarClose(mockHandle);

        when(mockNdrBuffer.dec_ndr_long()).thenReturn(123); // retval

        lsarClose.decode_out(mockNdrBuffer);

        verify(mockHandle).decode(mockNdrBuffer);
        assertEquals(123, lsarClose.retval);
    }

    // Test for LsarQueryInformationPolicy
    @Test

            _dst.enc_ndr_referent(totalentries, 1);
            if (totalentries != null) {
                totalentries.encode(_dst);

            }
        }

        @Override
        public void decode_out(final NdrBuffer _src) throws NdrException {
            final int _infop = _src.dec_ndr_long();
            if (_infop != 0) {
                if (info == null) { /* YOYOYO */
                    info = new DfsEnumStruct();

            samr.SamrCloseHandle message = new samr.SamrCloseHandle(mockPolicyHandle);
            when(mockNdrBuffer.dec_ndr_long()).thenReturn(0);

            // When: Decoding output
            message.decode_out(mockNdrBuffer);

            // Then: Should decode return value
            verify(mockNdrBuffer).dec_ndr_long();
            assertEquals(0, message.retval);
        }
    }

    @Nested

            samr.SamrCloseHandle message = new samr.SamrCloseHandle(mockPolicyHandle);
            when(mockNdrBuffer.dec_ndr_long()).thenReturn(0);

            // When: Decoding output
            message.decode_out(mockNdrBuffer);

            // Then: Should decode return value
            verify(mockNdrBuffer).dec_ndr_long();
            assertEquals(0, message.retval);
        }
    }

    @Nested