// Use reflection to access and verify protected fields from the parent class DcerpcMessage
        Field ptypeField = DcerpcMessage.class.getDeclaredField("ptype");
        ptypeField.setAccessible(true);
        int ptypeValue = (int) ptypeField.get(request);
        assertEquals(0, ptypeValue, "The 'ptype' field should be initialized to 0.");

        if (value instanceof final LocalDateTime ldt) {
            final ZonedDateTime zdt = ZonedDateTime.of(ldt, ZoneId.systemDefault());
            super.addFieldToSource(sourceMap, field, DateTimeFormatter.ISO_INSTANT.format(zdt));
        } else {
            super.addFieldToSource(sourceMap, field, value);
        }
    }

    @Override

        // Verify all fields through reflection
        Field field = response.getClass().getSuperclass().getSuperclass().getDeclaredField("totalParameterCount");
        field.setAccessible(true);
        assertEquals(totalParams, field.get(response));

        field = response.getClass().getSuperclass().getSuperclass().getDeclaredField("totalDataCount");
        field.setAccessible(true);

 * </ul>
 *
 * <p>Fields:
 * <ul>
 * <li>{@link #logger} - Logger instance.
 * <li>{@link #client} - OpenSearch client.
 * <li>{@link #index} - Index name.
 * <li>{@link #settings} - Suggest settings.
 * <li>{@link #supportedFields} - Supported fields for suggestions.
 * <li>{@link #tagFieldNames} - Tag field names.
 * <li>{@link #roleFieldName} - Role field name.

                "Configure " + dispatcherMeta.displayName());
        context.addInHeader("");

        for (DispatcherMeta.Field field : dispatcherMeta.fields()) {
            String fieldKey = field.getKey();
            String fieldDescription = "Configure " + fieldKey + ": " + field.getDescription();
            if (field.getOptions().isPresent()) {
                // list options
                ListPromptBuilder listPromptBuilder =

<div class="screenshot">
<img src="/img/tutorial/request-form-models/image01.png">
</div>

## Forbid Extra Form Fields { #forbid-extra-form-fields }

In some special use cases (probably not very common), you might want to **restrict** the form fields to only those declared in the Pydantic model. And **forbid** any **extra** fields.

/// note

This is supported since FastAPI version `0.114.0`. 🤓

///

    for (Field field : httpHeadersFields()) {
      httpHeaders.add((String) field.get(null));
    }
    assertThat(httpHeaders.build()).containsNoDuplicates();
  }

  private static ImmutableSet<Field> httpHeadersFields() {
    ImmutableSet.Builder<Field> builder = ImmutableSet.builder();
    for (Field field : HttpHeaders.class.getDeclaredFields()) {
      /*

     * @param id the document ID to retrieve
     * @param fields the fields to include in the response (null for all fields)
     * @return the document as a map of field names to values, or null if not found
     */
    public Map<String, Object> getDocument(final SearchEngineClient searchEngineClient, final String id, final String[] fields) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

            assertEquals(24, bytesRead);

            // Verify the fields were set correctly using reflection
            Field oplockLevelField = Smb2OplockBreakNotification.class.getDeclaredField("oplockLevel");
            oplockLevelField.setAccessible(true);
            assertEquals(expectedOplockLevel, oplockLevelField.get(notification));

            Field fileIdField = Smb2OplockBreakNotification.class.getDeclaredField("fileId");

     * @param role The role.
     */
    public void addRole(final String role) {
        roles.add(role);
    }

    /**
     * Adds a field to filter by.
     * @param field The field name.
     */
    public void addField(final String field) {
        fields.add(field);
    }

    /**
     * Adds a language to filter by.
     * @param lang The language.
     */