private MessageDigest md5;

    private byte[] ipad = new byte[BLOCK_LENGTH];

    private byte[] opad = new byte[BLOCK_LENGTH];

    /**
     * Creates an HMACT64 instance which uses the given secret key material.
     *
     * @param key The key material to use in hashing.
     */
    public HMACT64(final byte[] key) {
        super("HMACT64");

    private final MessageDigest md5;

    private byte[] ipad = new byte[BLOCK_LENGTH];

    private byte[] opad = new byte[BLOCK_LENGTH];

    /**
     * Creates an HMACT64 instance which uses the given secret key material.
     *
     * @param key
     *            The key material to use in hashing.
     */
    public HMACT64(final byte[] key) {
        super("HMACT64");

    private String server;

    private int port;

    private String username;

    private String password;

    private String domain;

    /**
     * Creates a new SmbAuthentication instance.
     */
    public SmbAuthentication() {
        super();
    }

    /**
     * Returns the path prefix for SMB URLs.
     * @return The path prefix.
     */
    public String getPathPrefix() {

            + "a null element counting as having a hash of zero).",
        expectedHashCode,
        getSet().hashCode());
  }

  /**
   * Returns the {@link Method} instances for the test methods in this class which call {@code
   * hashCode()} on the set values so that set tests on unhashable objects can suppress it with
   * {@code FeatureSpecificTestSuiteBuilder.suppressing()}.
   */

        if (!(request instanceof final ServerMessageBlock req)) {
            return;
        }

        req.addFlags2(this.negotiatedFlags2);
        req.setUseUnicode(req.isForceUnicode() || this.useUnicode);
        if (req.isUseUnicode()) {
            req.addFlags2(SmbConstants.FLAGS2_UNICODE);
        }

        if (req instanceof SmbComTransaction) {

        // When
        Smb2ChangeNotifyRequest req = new Smb2ChangeNotifyRequest(config, testFileId);

        // Then
        assertNotNull(req);
        assertTrue(req instanceof ServerMessageBlock2Request);
        assertTrue(req instanceof ServerMessageBlock2);
    }

    @Test
    @DisplayName("Should set notify flags correctly")
    void testSetNotifyFlags() throws Exception {
        // Given

            assertNotNull(preauth);
            assertNotNull(encryption);
            assertTrue(preauth instanceof NegotiateContextRequest);
            assertTrue(encryption instanceof NegotiateContextRequest);
        }

        @Test
        @DisplayName("Should verify mock implementation")
        void testMockImplementation() {

///

### Passo 2: crie uma "instância" de `FastAPI`

{* ../../docs_src/first_steps/tutorial001.py hl[3] *}

Aqui, a variável `app` será uma "instância" da classe `FastAPI`.

Este será o principal ponto de interação para criar toda a sua API.

### Passo 3: crie uma *rota*

#### Rota

        <constraint name="__context__" within="" contains="" />

  private final int value;

  public UnhashableObject(int value) {
    this.value = value;
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object instanceof UnhashableObject) {
      UnhashableObject that = (UnhashableObject) object;
      return this.value == that.value;
    }
    return false;
  }

  @Override
  public int hashCode() {