Restore omitempty on ServerStorageVersion fields

api/openapi-spec/v3/apis__internal.apiserver.k8s.io__v1alpha1_openapi.json

@@ -5,7 +5,6 @@
         "description": "An API server instance reports the version it can decode and the version it encodes objects to when persisting objects in the backend.",
         "properties": {
           "apiServerID": {
-            "default": "",
             "description": "The ID of the reporting API server.",
             "type": "string"
           },
@@ -19,7 +18,6 @@
             "x-kubernetes-list-type": "set"
           },
           "encodingVersion": {
-            "default": "",
             "description": "The API server encodes the object to this version when persisting it in the backend (e.g., etcd).",
             "type": "string"
           },

pkg/generated/openapi/zz_generated.openapi.go

@@ -7084,7 +7084,6 @@ func schema_k8sio_api_apiserverinternal_v1alpha1_ServerStorageVersion(ref common
 					"apiServerID": {
 						SchemaProps: spec.SchemaProps{
 							Description: "The ID of the reporting API server.",
-							Default:     "",
 							Type:        []string{"string"},
 							Format:      "",
 						},
@@ -7092,7 +7091,6 @@ func schema_k8sio_api_apiserverinternal_v1alpha1_ServerStorageVersion(ref common
 					"encodingVersion": {
 						SchemaProps: spec.SchemaProps{
 							Description: "The API server encodes the object to this version when persisting it in the backend (e.g., etcd).",
-							Default:     "",
 							Type:        []string{"string"},
 							Format:      "",
 						},

staging/src/k8s.io/api/apiserverinternal/v1alpha1/types.go

@@ -71,18 +71,18 @@ type StorageVersionStatus struct {
 type ServerStorageVersion struct {
 	// The ID of the reporting API server.
 	// +required
-	APIServerID string `json:"apiServerID" protobuf:"bytes,1,opt,name=apiServerID"`
+	APIServerID string `json:"apiServerID,omitempty" protobuf:"bytes,1,opt,name=apiServerID"`
 
 	// The API server encodes the object to this version when persisting it in
 	// the backend (e.g., etcd).
 	// +required
-	EncodingVersion string `json:"encodingVersion" protobuf:"bytes,2,opt,name=encodingVersion"`
+	EncodingVersion string `json:"encodingVersion,omitempty" protobuf:"bytes,2,opt,name=encodingVersion"`
 
 	// The API server can decode objects encoded in these versions.
 	// The encodingVersion must be included in the decodableVersions.
 	// +listType=set
 	// +required
-	DecodableVersions []string `json:"decodableVersions" protobuf:"bytes,3,opt,name=decodableVersions"`
+	DecodableVersions []string `json:"decodableVersions,omitempty" protobuf:"bytes,3,opt,name=decodableVersions"`
 
 	// The API server can serve these versions.
 	// DecodableVersions must include all ServedVersions.

staging/src/k8s.io/client-go/applyconfigurations/internal/internal.go

@@ -1443,7 +1443,6 @@ var schemaYAML = typed.YAMLObject(`types:
     - name: apiServerID
       type:
         scalar: string
-      default: ""
     - name: decodableVersions
       type:
         list:
@@ -1453,7 +1452,6 @@ var schemaYAML = typed.YAMLObject(`types:
     - name: encodingVersion
       type:
         scalar: string
-      default: ""
     - name: servedVersions
       type:
         list: