public ModelTransformerException() {
        this(null, null);
    }

    public ModelTransformerException(String message) {
        this(message, null);
    }

    public ModelTransformerException(Throwable cause) {
        this(null, cause);
    }

    public ModelTransformerException(String message, Throwable cause) {
        super(message, cause);
    }

    /**
     * @return The name of key to find in the REST test
     */
    String getKeyToFind();

    /**
     * @return If the value of the ObjectNode is also an ObjectNode, ensure that child key name is also satisfied.
     * {@code null} to indicate no required children.
     */
    default String requiredChildKey() {
        return null;
    }

    /**

    printEvent("callStart");
  }

  @Override public void callEnd(Call call) {
    printEvent("callEnd");
  }

  @Override public void dnsStart(Call call, String domainName) {
    printEvent("dnsStart");
  }

  @Override public void dnsEnd(Call call, String domainName, List<InetAddress> inetAddressList) {
    printEvent("dnsEnd");
  }

  ...
}
```

We make a couple calls:

```java

        assertTrue(circuitBreaker.allowsRequests());
    }

    @Test
    @DisplayName("Test successful calls in CLOSED state")
    void testSuccessfulCalls() throws Exception {
        String result = circuitBreaker.call(() -> "success");
        assertEquals("success", result);
        assertEquals(SimpleCircuitBreaker.State.CLOSED, circuitBreaker.getState());

    body_model_name = get_body_model_name(openapi, path)

    assert app.openapi()["components"]["schemas"][body_model_name] == {
        "properties": {
            "p": {
                "items": {"type": "string"},
                "title": "P",
                "type": "array",
            },
        },
        "required": ["p"],
        "title": body_model_name,
        "type": "object",
    }

```JSON
{"item_id":3}
```

/// check | Revisa

Nota que el valor que tu función recibió (y devolvió) es `3`, como un `int` de Python, no un string `"3"`.

Entonces, con esa declaración de tipo, **FastAPI** te ofrece <dfn title="convertir el string que viene de un request HTTP en datos de Python">"parsing"</dfn> automático de request.

///

## Validación de datos { #data-validation }

```JSON
{"item_id":3}
```

/// check

Notice that the value your function received (and returned) is `3`, as a Python `int`, not a string `"3"`.

So, with that type declaration, **FastAPI** gives you automatic request <dfn title="converting the string that comes from an HTTP request into Python data">"parsing"</dfn>.

///

## Data validation { #data-validation }

    /**
     * Default constructor.
     */
    public AdminDictAction() {
        super();
    }

    /** The role for this action. */
    public static final String ROLE = "admin-dict";

    // ===================================================================================
    //                                                                           Attribute

    @Suppress("UnstableApiUsage")
    private
    fun git(vararg args: String): Provider<String> {
        val projectDir = parameters.rootProjectDir.asFile.get()
        val execOutput = providers.exec {
            workingDir = projectDir
            isIgnoreExitValue = true

   * [HttpURLConnection.getHeaderFields], so it needs to be set even if the transport is
   * HTTP/2.
   */
  fun get(
    request: Request,
    proxyType: Proxy.Type,
  ): String =
    buildString {
      append(request.method)
      append(' ')
      if (includeAuthorityInRequestLine(request, proxyType)) {
        append(request.url)
      } else {
        append(requestPath(request.url))