const (
	prometheusJWT    prometheusAuthType = "jwt"
	prometheusPublic prometheusAuthType = "public"
)

// registerMetricsRouter - add handler functions for metrics.
func registerMetricsRouter(router *mux.Router) {
	// metrics router
	metricsRouter := router.NewRoute().PathPrefix(minioReservedBucketPath).Subrouter()
	authType := prometheusAuthType(strings.ToLower(env.Get(EnvPrometheusAuthType, string(prometheusJWT))))

	auth := AuthMiddleware

        get() = withValidityAssertion { descriptor.setter != null }

    override val setter: KtPropertySetterSymbol?
        get() = withValidityAssertion {
            if (!descriptor.isVar) {
                return null
            }

            val setter = descriptor.setter ?: return KtFe10DescDefaultPropertySetterSymbol(descriptor, analysisContext)
            KtFe10DescPropertySetterSymbol(setter, analysisContext)
        }

        get() = withValidityAssertion { descriptor.setter != null }

    override val setter: KtPropertySetterSymbol?
        get() = withValidityAssertion {
            if (!descriptor.isVar) {
                return null
            }

            val setter = descriptor.setter ?: return KtFe10DescDefaultPropertySetterSymbol(descriptor, analysisContext)
            KtFe10DescPropertySetterSymbol(setter, analysisContext)
        }

     *
     * Here we automatically accept the following cases:
     * - A setter `setX` of an upgraded property is removed
     * - A boolean `isX` of an upgraded property is removed
     * - A new getter `getX` is added, where the old getter is a boolean getter `isX` of an upgraded property
     * - A return type is changed for a getter `getX` of an upgraded property
     *

        }

    override val getter: KtPropertyGetterSymbol?
        get() = withValidityAssertion {
            if (descriptor.isDynamic()) return null
            val getter = descriptor.getter ?: return KtFe10DescDefaultPropertyGetterSymbol(descriptor, analysisContext)
            return KtFe10DescPropertyGetterSymbol(getter, analysisContext)
        }

    override val setter: KtPropertySetterSymbol?

        get() = withValidityAssertion { psi.isVar }

    override val getter: KtPropertyGetterSymbol
        get() = withValidityAssertion {
            val getter = psi.getter ?: return KtFe10PsiDefaultPropertyGetterSymbol(psi, analysisContext)
            return KtFe10PsiPropertyGetterSymbol(getter, analysisContext)
        }

    override val setter: KtPropertySetterSymbol?
        get() = withValidityAssertion {

     */
    <T> Class<T> getPropertyType();

    /**
     * getterメソッドを返します。
     *
     * @return getterメソッド
     */
    Method getReadMethod();

    /**
     * getterメソッドを持っているかどうか返します。
     *
     * @return getterメソッドを持っているかどうか
     */
    boolean hasReadMethod();

    /**
     * setterメソッドを返します。
     *
     * @return setterメソッド
     */
    Method getWriteMethod();

    /**

  AnnotationTarget.FIELD,
  AnnotationTarget.LOCAL_VARIABLE,
  AnnotationTarget.VALUE_PARAMETER,
  AnnotationTarget.CONSTRUCTOR,
  AnnotationTarget.FUNCTION,
  AnnotationTarget.PROPERTY_GETTER,
  AnnotationTarget.PROPERTY_SETTER,
  AnnotationTarget.TYPEALIAS,
)
@RequiresOptIn(level = RequiresOptIn.Level.ERROR)

```Python hl_lines="35"
{!../../../docs_src/openapi_callbacks/tutorial001.py!}
```

!!! tip "Tipp"
    Beachten Sie, dass Sie nicht den Router selbst (`invoices_callback_router`) an `callback=` übergeben, sondern das Attribut `.routes`, wie in `invoices_callback_router.routes`.

### Es in der Dokumentation ansehen

And you can also declare numeric validations:

* `gt`: `g`reater `t`han
* `ge`: `g`reater than or `e`qual
* `lt`: `l`ess `t`han
* `le`: `l`ess than or `e`qual

!!! info
    `Query`, `Path`, and other classes you will see later are subclasses of a common `Param` class.