private static final long serialVersionUID = 1L;

            @Override
            public String getUserId() {
                return Constants.EMPTY_USER_ID;
            }

            @Override
            public boolean hasRoles(final String[] acceptedRoles) {
                return true;
            }

            @Override
            public String[] getRoles() {

  public UnixDomainServerSocketFactory(File path) {
    this.path = path;
  }

  @Override public ServerSocket createServerSocket() throws IOException {
    return new UnixDomainServerSocket();
  }

  @Override public ServerSocket createServerSocket(int port) throws IOException {
    return createServerSocket();
  }

  @Override public ServerSocket createServerSocket(int port, int backlog) throws IOException {

  // The remaining methods just delegate.

  @Override
  public final void shutdown() {
    delegate.shutdown();
  }

  @Override
  @CanIgnoreReturnValue
  public final List<Runnable> shutdownNow() {
    return delegate.shutdownNow();
  }

  @Override
  public final boolean isShutdown() {
    return delegate.isShutdown();
  }

  @Override
  public final boolean isTerminated() {

            });
        }

        @Override
        public OptionalThing<String> getSavedHtmlText() {
            return OptionalThing.empty();
        }

        @Override
        public OptionalThing<String> getSavedReturnPath() {
            return OptionalThing.empty();
        }

        @Override
        public java.util.List<jakarta.mail.Address> getSavedReplyToList() {

     */
    @Override
    public int getGrantedCredits() {
        return 1;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#setRequestCredits(int)
     */
    @Override
    public void setRequestCredits(final int credits) {

    }

    /**
     * @return the command
     */
    @Override
    public final int getCommand() {

And then **FastAPI** will call that override instead of the original dependency.

{* ../../docs_src/dependency_testing/tutorial001_an_py310.py hl[26:27,30] *}

/// tip

You can set a dependency override for a dependency used anywhere in your **FastAPI** application.

        @Override
        public Iterator<Lifecycle> iterator() {
            return Collections.emptyIterator();
        }

        @Override
        public Optional<Lifecycle> lookup(String id) {
            return Optional.empty();
        }

        @Override
        public List<String> computePhases(Lifecycle lifecycle) {

  private val delegate: SSLSocketFactory,
) : SSLSocketFactory() {
  @Throws(IOException::class)
  override fun createSocket(): SSLSocket {
    val sslSocket = delegate.createSocket() as SSLSocket
    return configureSocket(sslSocket)
  }

  @Throws(IOException::class)
  override fun createSocket(
    host: String,
    port: Int,
  ): SSLSocket {

        FessConfig fessConfig = new FessConfig.SimpleImpl() {
            @Override
            public String getQueryFacetFields() {
                return "field1, field2, field3";
            }

            @Override
            public String getQueryFacetFieldsSize() {
                return "10";
            }

            @Override
            public Integer getQueryFacetFieldsSizeAsInteger() {

        throw e
      }
    }
  }

  override fun newSSLContext(): SSLContext {
    StrictMode.noteSlowCall("newSSLContext")

    return super.newSSLContext()
  }

  override fun trustManager(sslSocketFactory: SSLSocketFactory): X509TrustManager? =
    socketAdapters
      .find { it.matchesSocketFactory(sslSocketFactory) }
      ?.trustManager(sslSocketFactory)

  override fun configureTlsExtensions(
    sslSocket: SSLSocket,