<ul>
	<li>an
	    <a href="#Identifiers">identifier</a>
	</li>

	<li>an
	    <a href="#Integer_literals">integer</a>,
	    <a href="#Floating-point_literals">floating-point</a>,
	    <a href="#Imaginary_literals">imaginary</a>,
	    <a href="#Rune_literals">rune</a>, or
	    <a href="#String_literals">string</a> literal
	</li>

	<li>one of the <a href="#Keywords">keywords</a>
	    <code>break</code>,

		"k8s.io/api/autoscaling/v1.ScaleStatus":                                                           schema_k8sio_api_autoscaling_v1_ScaleStatus(ref),
		"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1.ConversionRequest":                      schema_pkg_apis_apiextensions_v1_ConversionRequest(ref),
		"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1.ConversionResponse":                     schema_pkg_apis_apiextensions_v1_ConversionResponse(ref),

                            "content": {
                                "application/json": {
                                    "schema": {
                                        "$ref": "#/components/schemas/HTTPValidationError"
                                    }
                                }
                            },
                        },

              {
                "$ref": "#/components/schemas/io.k8s.api.admissionregistration.v1.ValidatingAdmissionPolicySpec"
              }
            ],
            "default": {},
            "description": "Specification of the desired behavior of the ValidatingAdmissionPolicy."
          },
          "status": {
            "allOf": [
              {

              {
                "$ref": "#/components/schemas/io.k8s.api.networking.v1.IPBlock"
              }
            ],
            "description": "ipBlock defines policy on a particular IPBlock. If this field is set then neither of the other fields can be."
          },
          "namespaceSelector": {
            "allOf": [
              {

                {
                  "$ref": "#/components/schemas/io.k8s.api.core.v1.ObjectReference"
                }
              ],
              "default": {}
            },
            "type": "array",
            "x-kubernetes-list-type": "atomic"
          },
          "lastScheduleTime": {
            "allOf": [
              {

* StorageObjectInUseProtection is now GA ([ref](https://github.com/kubernetes/enhancements/issues/498)) and ([ref](https://github.com/kubernetes/enhancements/issues/499))

#### Graduated to Beta

* Supporting out-of-tree/external cloud providers is now considered beta ([ref](https://github.com/kubernetes/enhancements/issues/88))

	i -= len(m.Description)
	copy(dAtA[i:], m.Description)
	i = encodeVarintGenerated(dAtA, i, uint64(len(m.Description)))
	i--
	dAtA[i] = 0x22
	if m.Ref != nil {
		i -= len(*m.Ref)
		copy(dAtA[i:], *m.Ref)
		i = encodeVarintGenerated(dAtA, i, uint64(len(*m.Ref)))
		i--
		dAtA[i] = 0x1a
	}
	i -= len(m.Schema)
	copy(dAtA[i:], m.Schema)
	i = encodeVarintGenerated(dAtA, i, uint64(len(m.Schema)))
	i--

    * <a href="https://fastapi.tiangolo.com/advanced/openapi-callbacks/" class="external-link" target="_blank">Advanced User Guide - OpenAPI Callbacks</a>.
    * <a href="https://fastapi.tiangolo.com/tutorial/bigger-applications/" class="external-link" target="_blank">Tutorial - Bigger Applications</a>.

* CustomResourceDefinitions: OpenAPI v3 validation schemas containing `$ref`references are no longer permitted. Before upgrading, ensure CRD definitions do not include those `$ref` fields. ([#58438](https://github.com/kubernetes/kubernetes/pull/58438), [@carlory](https://github.com/carlory))