Asegúrate de [Actualizar la versión de FastAPI](../deployment/versions.md#upgrading-the-fastapi-versions){.internal-link target=_blank} a al menos 0.95.1 antes de usar `Annotated`.

///

## Usar `Annotated` en el tipo del parámetro `q`

                <la:hidden property="crudMode"/>
                <c:if test="${crudMode==2 || crudMode==3 || crudMode==4}">
                    <la:hidden property="id"/>
                    <la:hidden property="versionNo"/>
                </c:if>
                <la:hidden property="createdBy"/>
                <la:hidden property="createdTime"/>
                <la:hidden property="sortOrder"/>
                <div class="row">

        assertNull(dataconfigpager.available);
        assertNull(dataconfigpager.sortOrder);
        assertNull(dataconfigpager.createdBy);
        assertNull(dataconfigpager.createdTime);
        assertNull(dataconfigpager.versionNo);

        assertEquals(1, dataconfigpager.getDefaultCurrentPageNumber());
        dataconfigpager.setAllRecordCount(999);
        assertEquals(999, dataconfigpager.getAllRecordCount());

Pero antes de eso, manejar el código asíncrono era mucho más complejo y difícil.

En versiones previas de Python, podrías haber usado hilos o <a href="https://www.gevent.org/" class="external-link" target="_blank">Gevent</a>. Pero el código es mucho más complejo de entender, depurar y razonar.

    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the label type for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the label type hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the role for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the role hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the data configuration for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the configuration hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

     */
    @ValidateTypeFailure
    public Long updatedTime;

    /**
     * The version number of the group for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the group hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

    public Long updatedTime;

    /**
     * The version number of the path mapping configuration for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the configuration hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;

    public Long updatedTime;

    /**
     * The version number of the related content configuration for optimistic locking.
     * This field is required to prevent concurrent modification conflicts
     * by ensuring the configuration hasn't been modified by another process.
     */
    @Required
    @ValidateTypeFailure
    public Integer versionNo;