Podría haber casos donde necesites hacer alguna validación personalizada que no puede hacerse con los parámetros mostrados arriba.

En esos casos, puedes usar una función validadora personalizada que se aplique después de la validación normal (por ejemplo, después de validar que el valor es un `str`).

Puedes lograr eso usando [`AfterValidator` de Pydantic](https://docs.pydantic.dev/latest/concepts/validators/#field-after-validator) dentro de `Annotated`.

// out of HTTP "chunked" format before returning it.
// The s3ChunkedReader returns io.EOF when the final 0-length chunk is read.
//
// NewChunkedReader is not needed by normal applications. The http package
// automatically decodes chunking when reading response bodies.
func newSignV4ChunkedReader(req *http.Request, trailer bool) (io.ReadCloser, APIErrorCode) {

          <version>1.0.0+</version>
          <type>String</type>
          <description>
            The configurator type to use when injecting parameter values into this Mojo. The value is normally deduced
            from the Mojo's implementation language, but can be specified to allow a custom ComponentConfigurator
            implementation to be used.
          </description>
        </field>
        <field>

		if v != "<-" {
			if !strings.Contains(v, "create") {
				field.Creatable = false
			}

			if !strings.Contains(v, "update") {
				field.Updatable = false
			}
		}
	}

	// Normal anonymous field or having `EMBEDDED` tag
	if _, ok := field.TagSettings["EMBEDDED"]; ok || (field.GORMDataType != Time && field.GORMDataType != Bytes && !isValuer &&

            return false;
        }

        @Override
        public Node cloneNode(boolean deep) {
            return null;
        }

        @Override
        public void normalize() {
        }

        @Override
        public boolean isSupported(String feature, String version) {
            return false;
        }

        @Override
        public String getNamespaceURI() {

   * than the straightforward ternary expression.
   */
  @VisibleForTesting
  static int lessThanBranchFree(long x, long y) {
    // The double negation is optimized away by normal Java, but is necessary for GWT
    // to make sure bit twiddling works as expected.
    return (int) (~~(x - y) >>> (Long.SIZE - 1));
  }

  /**

 *
 * <p>A multiset uses {@link Object#equals} to determine whether two instances should be considered
 * "the same," <i>unless specified otherwise</i> by the implementation.
 *
 * <p><b>Warning:</b> as with normal {@link Set}s, it is almost always a bad idea to modify an
 * element (in a way that affects its {@link Object#equals} behavior) while it is contained in a
 * multiset. Undefined behavior and bugs will result.
 *

   *         <li>UNSET, meaning "null pointer"
   *         <li>one plus an index into the entries and elements array
   *       </ul>
   *   <li>another java.util.Set delegate implementation. In most modern JDKs, normal java.util hash
   *       collections intelligently fall back to a binary search tree if hash table collisions are
   *       detected. Rather than going to all the trouble of reimplementing this ourselves, we

		},
		// MinIO meta bucket.
		{
			bucket: minioMetaMultipartBucket,
			result: true,
		},
		// MinIO meta bucket.
		{
			bucket: minioMetaTmpBucket,
			result: true,
		},
		// Normal bucket
		{
			bucket: "mybucket",
			result: false,
		},
	}

	for i, test := range testCases {
		actual := isMinioMetaBucketName(test.bucket)
		if actual != test.result {

  * Las dependencias del router se ejecutan primero, luego las [`dependencies` en el decorador](dependencies/dependencies-in-path-operation-decorators.md), y luego las dependencias de parámetros normales.
  * También puedes agregar [dependencias de `Security` con `scopes`](../advanced/security/oauth2-scopes.md).

/// tip | Consejo