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 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.
     */

        fields.put(key, value);
    }

    public String getLogMessage() {
        return getSearchWord();
    }

    @Override
    public Map<String, Object> toSource() {
        final Map<String, Object> sourceMap = super.toSource();
        if (fields != null) {
            sourceMap.putAll(fields);
        }

            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");

                "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 =

            <multiplicity>*</multiplicity>
          </association>
        </field>
        <field>
          <name>sourceEncoding</name>
          <version>1.1.0</version>
          <description>
            Source encoding of the remote resources contained in the bundle.
          </description>
          <type>String</type>
        </field>
      </fields>
    </class>
  </classes>

<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`. 🤓

///

        }
        return SortBuilders.fieldSort(field).order(order);
    }

    /**
     * Checks if the specified field is a search field.
     * Uses O(1) Set lookup for improved performance.
     * @param field The field name to check.
     * @return True if the field is a search field, false otherwise.
     */
    protected boolean isSearchField(final String field) {

				}
			}

			for _, name := range []string{f.DBName, f.Name} {
				if name != "" {
					if field := s.LookUpField(name); field == nil || (field.Name != name && field.DBName != name) {
						t.Errorf("schema %v failed to look up field with dbname %v", s, f.DBName)
					}
				}
			}

			if f.PrimaryKey {
				var found bool

<%@page pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%>
<h2>Query Syntax</h2>
<dl>
	<dt>Field</dt>
	<dd>
		You can search any field by typing the field name followed by a colon
		":" and then the term you are looking for. If you want to find
		documents which has "Fess" as the document title, you can enter:
		<pre>title:Fess</pre>
		The available fields are "url", "host", "site", "title", "content",