/**
     * Displays the general error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {
        return asHtml(virtualHost(path_Error_ErrorJsp));
    }

    /**
     * Displays the system error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the system error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {
        return asHtml(virtualHost(path_Error_SystemJsp));
    }

import jakarta.validation.constraints.Size;

/**
 * The create form for Group.
 *
 */
public class CreateForm {

    /**
     * Creates a new CreateForm instance.
     */
    public CreateForm() {
    }

    /**
     * The CRUD mode for the form.
     */
    @ValidateTypeFailure
    public Integer crudMode;

    /**
     * The name of the group.

      exercising permissions granted by this License.

      "Source" form shall mean the preferred form for making modifications,
      including but not limited to software source code, documentation
      source, and configuration files.

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,

                                    <la:errors/>
                                </div>
                                <div class="form-group row">
                                    <label for="kuromojiFile" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.dict_kuromoji_file"/></label>
                                    <div class="col-sm-9">

                                    <la:errors/>
                                </div>
                                <div class="form-group row">
                                    <label for="charMappingFile" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.dict_mapping_file"/></label>
                                    <div class="col-sm-9">

                                    <la:errors/>
                                </div>
                                <div class="form-group row">
                                    <label for="stopwordsFile" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.dict_stopwords_file"/></label>
                                    <div class="col-sm-9">

Mas o FastAPI também suporta o uso de <a href="https://docs.python.org/3/library/dataclasses.html" class="external-link" target="_blank">`dataclasses`</a> da mesma forma:

{* ../../docs_src/dataclasses_/tutorial001_py310.py hl[1,6:11,18:19] *}

import jakarta.validation.constraints.Size;

/**
 * The create form for User.
 *
 */
public class CreateForm {

    /**
     * Default constructor.
     */
    public CreateForm() {
        // Empty constructor
    }

    /**
     * The CRUD mode for the form.
     */
    @ValidateTypeFailure
    public Integer crudMode;

    /**

    /**
     * Displays the bad request error page.
     *
     * @param form the error form containing error information
     * @return HTML response for the bad request error page
     */
    @Execute
    public HtmlResponse index(final ErrorForm form) {
        return asHtml(virtualHost(path_Error_BadRequestJsp));
    }