(byte) 0x99 };

        byte[] output = new byte[12];
        byte[] dk = deriveKeyAES(baseKey, cst); // Checksum key
        try {
            Mac m = Mac.getInstance("HmacSHA1");
            m.init(new SecretKeySpec(dk, HMAC_KEY));
            System.arraycopy(m.doFinal(input), 0, output, 0, 12);
            return output;
        } finally {
            Arrays.fill(dk, 0, dk.length, (byte) 0);

Never store the plain password of a user or send it in a response like this, unless you know all the caveats and you know what you are doing.

///

## Add an output model { #add-an-output-model }

We can instead create an input model with the plaintext password and an output model without it:

{* ../../docs_src/response_model/tutorial003_py310.py hl[9,11,16] *}

        final Kryo kryo = kryoThreadLocal.get();
        try (ByteArrayOutputStream baos = new ByteArrayOutputStream(); final Output output = new Output(baos)) {
            kryo.writeClassAndObject(output, obj);
            output.flush();
            return baos.toByteArray();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

		if err == nil || !wantErr.MatchString(err.Error()) {
			t.Errorf("want error matching %s, got %s", wantErr, err)
		}
		// And it should flush all output (even if it looks
		// like we may be getting an exit code)
		if got := out.String(); text != got {
			t.Errorf("want full output %q, got %q", text, got)
		}
	}
	wantErr = regexp.MustCompile("^no exit code")
	check("abc")
	check("exitcode")
	check("exitcode=")

    @Override
    public void write(Writer output, Map<String, Object> options, PersistedToolchains toolchains) throws IOException {
        Objects.requireNonNull(output, "output cannot be null");
        Objects.requireNonNull(toolchains, "toolchains cannot be null");

        try (Writer out = output) {
            new MavenToolchainsStaxWriter().write(out, toolchains.getDelegate());

                                        "schema": {
                                            "items": {
                                                "$ref": "#/components/schemas/Item-Output"
                                            },
                                            "type": "array",
                                            "title": "Response Read Items Items  Get",

    final DataOutput output;
    final ByteArrayOutputStream byteArrayOutputStream;

    ByteArrayDataOutputStream(ByteArrayOutputStream byteArrayOutputStream) {
      this.byteArrayOutputStream = byteArrayOutputStream;
      output = new DataOutputStream(byteArrayOutputStream);
    }

    @Override
    public void write(int b) {
      try {
        output.write(b);

            assertNotNull(os1, "Default output stream should not be null");
            assertNotNull(os2, "Output stream with append should not be null");
            assertNotNull(os3, "Output stream with sharing should not be null");
            assertNotNull(os4, "Output stream with full params should not be null");
            assertSame(mockOutputStream, os1, "Should return expected output stream");

        @Test
        @DisplayName("Should decode output parameters correctly")
        void testDecodeOut() throws NdrException {
            // Given: Close handle message with mocked return value
            samr.SamrCloseHandle message = new samr.SamrCloseHandle(mockPolicyHandle);
            when(mockNdrBuffer.dec_ndr_long()).thenReturn(0);

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

        assertNotNull(request);
        assertEquals(0x0B, request.getCommand());
        verify(mockConfig).getTransactionBufferSize();
    }

    @Test
    @DisplayName("Test constructor with output buffer")
    void testConstructorWithOutputBuffer() {
        // This constructor doesn't use getTransactionBufferSize()