x;-ms-flex-wrap:wrap;flex-wrap:wrap;margin-right:-5px;margin-left:-5px}.form-row>.col,.form-row>[class*=col-]{padding-right:5px;padding-left:5px}.form-check{position:relative;display:block;padding-left:1.25rem}.form-check-input{position:absolute;margin-top:.3rem;margin-left:-1.25rem}.form-check-input:disabled~.form-check-label,.form-check-input[disabled]~.form-check-label{color:#6c757d}.form-check-label{margin-bottom:0}.form-check-inline{display:-ms-inline-flexbox;display:inline-flex;-ms-flex-al...

     * @param form upload form containing the file and metadata
     * @return JSON response indicating the API result status
     */
    // PUT /api/admin/dict/mapping/upload/{dictId}
    @Execute
    public JsonResponse<ApiResult> put$upload(final String dictId, final UploadForm form) {
        form.dictId = dictId;
        validateApi(form, messages -> {});

Pero `OAuth2PasswordRequestForm` es solo una dependencia de clase que podrías haber escrito tú mismo, o podrías haber declarado parámetros de `Form` directamente.

Pero como es un caso de uso común, se proporciona directamente por **FastAPI**, solo para facilitarlo.

///

### Usa el form data

/// tip | Consejo

"Derivative Works" shall mean any work, whether in Source Code or other
form, that is based on (or derived from) the Program and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship.

"Modified Works" shall mean any work in Source Code or other form that
results from an addition to, deletion from, or modification of the

                            <div class="row">
                                <div class="col-sm-12">
                                    <la:form styleClass="form-inline"
                                             action="/admin/crawlinginfo/">
                                        <div class="form-group">
                                            <c:set var="ph_session_id">

    /**
     * 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));
    }

import org.lastaflute.web.ruts.multipart.MultipartFormFile;

/**
 * Form class for design file management in the admin interface.
 * Handles upload and management of design templates and CSS files.
 */
public class DesignForm {

    /**
     * Creates a new instance of DesignForm.
     * This constructor initializes the form for design file management

import org.lastaflute.web.validation.Required;
import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Size;

/**
 * Form class for editing failure URL records in the admin interface.
 * This form handles the editing of URLs that failed during crawling operations,
 * providing details about the failure for debugging and troubleshooting purposes.
 */
public class EditForm {

    /**

import org.lastaflute.web.validation.Required;
import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Size;

/**
 * The edit form for Search Log.
 * This form handles the editing of search log entries in the administration interface.
 */
public class EditForm {

    /** CRUD operation mode indicator */
    @ValidateTypeFailure
    public int crudMode;

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