code-generator/client-gen: add example with single package api/v1

Signed-off-by: Dr. Stefan Schimanski <stefan.schimanski@gmail.com>

staging/src/k8s.io/code-generator/examples/hack/update-codegen.sh

@@ -60,6 +60,15 @@ kube::codegen::gen_client \
     --boilerplate "${SCRIPT_ROOT}/hack/boilerplate.go.txt" \
     "${SCRIPT_ROOT}/crd/apis"
 
+kube::codegen::gen_client \
+    --with-watch \
+    --with-applyconfig \
+    --output-dir "${SCRIPT_ROOT}/single" \
+    --output-pkg "${THIS_PKG}/single" \
+    --boilerplate "${SCRIPT_ROOT}/hack/boilerplate.go.txt" \
+    --one-input-api "api" \
+    "${SCRIPT_ROOT}/single"
+
 kube::codegen::gen_client \
     --with-watch \
     --with-applyconfig \

staging/src/k8s.io/code-generator/examples/hack/verify-codegen.sh

@@ -47,6 +47,7 @@ fi
 echo "Smoke testing examples by compiling..."
 pushd "${SCRIPT_ROOT}"
   go build "k8s.io/code-generator/examples/crd/..."
+  go build "k8s.io/code-generator/examples/single/..."
   go build "k8s.io/code-generator/examples/apiserver/..."
   go build "k8s.io/code-generator/examples/MixedCase/..."
   go build "k8s.io/code-generator/examples/HyphenGroup/..."

staging/src/k8s.io/code-generator/examples/single/api/v1/doc.go

@@ -0,0 +1,21 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// +k8s:deepcopy-gen=package
+// +k8s:defaulter-gen=TypeMeta
+// +groupName=example.crd.code-generator.k8s.io
+
+package v1 // import "k8s.io/code-generator/examples/crd/apis/example/v1"

staging/src/k8s.io/code-generator/examples/single/api/v1/register.go

@@ -0,0 +1,59 @@
+/*
+Copyright 2015 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+var SchemeGroupVersion = schema.GroupVersion{Group: "example.crd.code-generator.k8s.io", Version: "v1"}
+
+var (
+	// TODO: move SchemeBuilder with zz_generated.deepcopy.go to k8s.io/api.
+	// localSchemeBuilder and AddToScheme will stay in k8s.io/kubernetes.
+	SchemeBuilder      runtime.SchemeBuilder
+	localSchemeBuilder = &SchemeBuilder
+	AddToScheme        = localSchemeBuilder.AddToScheme
+)
+
+func init() {
+	// We only register manually written functions here. The registration of the
+	// generated functions takes place in the generated files. The separation
+	// makes the code compile even when the generated files are missing.
+	localSchemeBuilder.Register(addKnownTypes)
+}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+// Adds the list of known types to the given scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&TestType{},
+		&TestTypeList{},
+	)
+
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&metav1.Status{},
+	)
+	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
+	return nil
+}

staging/src/k8s.io/code-generator/examples/single/api/v1/types.go

@@ -0,0 +1,74 @@
+/*
+Copyright 2015 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1
+
+import metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// TestType is a top-level type. A client is created for it.
+type TestType struct {
+	metav1.TypeMeta `json:",inline"`
+	// +optional
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+	// +optional
+	Status TestTypeStatus `json:"status,omitempty"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// TestTypeList is a top-level list type. The client methods for lists are automatically created.
+// You are not supposed to create a separated client for this one.
+type TestTypeList struct {
+	metav1.TypeMeta `json:",inline"`
+	// +optional
+	metav1.ListMeta `json:"metadata,omitempty"`
+
+	Items []TestType `json:"items"`
+}
+
+type TestTypeStatus struct {
+	Blah string
+}
+
+// +genclient:nonNamespaced
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+type ClusterTestTypeList struct {
+	metav1.TypeMeta
+	metav1.ListMeta
+	Items []ClusterTestType
+}
+
+// +genclient
+// +genclient:nonNamespaced
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+// +genclient:method=GetScale,verb=get,subresource=scale,result=k8s.io/api/autoscaling/v1.Scale
+// +genclient:method=UpdateScale,verb=update,subresource=scale,input=k8s.io/api/autoscaling/v1.Scale,result=k8s.io/api/autoscaling/v1.Scale
+
+type ClusterTestType struct {
+	metav1.TypeMeta `json:",inline"`
+	// +optional
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+	// +optional
+	Status ClusterTestTypeStatus `json:"status,omitempty"`
+}
+
+type ClusterTestTypeStatus struct {
+	Blah string
+}

staging/src/k8s.io/code-generator/examples/single/api/v1/zz_generated.deepcopy.go

@@ -0,0 +1,178 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by deepcopy-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ClusterTestType) DeepCopyInto(out *ClusterTestType) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	out.Status = in.Status
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ClusterTestType.
+func (in *ClusterTestType) DeepCopy() *ClusterTestType {
+	if in == nil {
+		return nil
+	}
+	out := new(ClusterTestType)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *ClusterTestType) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ClusterTestTypeList) DeepCopyInto(out *ClusterTestTypeList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]ClusterTestType, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ClusterTestTypeList.
+func (in *ClusterTestTypeList) DeepCopy() *ClusterTestTypeList {
+	if in == nil {
+		return nil
+	}
+	out := new(ClusterTestTypeList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *ClusterTestTypeList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ClusterTestTypeStatus) DeepCopyInto(out *ClusterTestTypeStatus) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ClusterTestTypeStatus.
+func (in *ClusterTestTypeStatus) DeepCopy() *ClusterTestTypeStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(ClusterTestTypeStatus)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *TestType) DeepCopyInto(out *TestType) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	out.Status = in.Status
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new TestType.
+func (in *TestType) DeepCopy() *TestType {
+	if in == nil {
+		return nil
+	}
+	out := new(TestType)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *TestType) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *TestTypeList) DeepCopyInto(out *TestTypeList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]TestType, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new TestTypeList.
+func (in *TestTypeList) DeepCopy() *TestTypeList {
+	if in == nil {
+		return nil
+	}
+	out := new(TestTypeList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *TestTypeList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *TestTypeStatus) DeepCopyInto(out *TestTypeStatus) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new TestTypeStatus.
+func (in *TestTypeStatus) DeepCopy() *TestTypeStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(TestTypeStatus)
+	in.DeepCopyInto(out)
+	return out
+}

staging/src/k8s.io/code-generator/examples/single/api/v1/zz_generated.defaults.go

@@ -0,0 +1,33 @@
+//go:build !ignore_autogenerated
+// +build !ignore_autogenerated
+
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by defaulter-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// RegisterDefaults adds defaulters functions to the given scheme.
+// Public to allow building arbitrary schemes.
+// All generated defaulters are covering - they call all nested defaulters.
+func RegisterDefaults(scheme *runtime.Scheme) error {
+	return nil
+}

staging/src/k8s.io/code-generator/examples/single/applyconfiguration/api/v1/clustertesttype.go

@@ -0,0 +1,210 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	v1 "k8s.io/client-go/applyconfigurations/meta/v1"
+	apiv1 "k8s.io/code-generator/examples/single/api/v1"
+)
+
+// ClusterTestTypeApplyConfiguration represents an declarative configuration of the ClusterTestType type for use
+// with apply.
+type ClusterTestTypeApplyConfiguration struct {
+	v1.TypeMetaApplyConfiguration    `json:",inline"`
+	*v1.ObjectMetaApplyConfiguration `json:"metadata,omitempty"`
+	Status                           *apiv1.ClusterTestTypeStatus `json:"status,omitempty"`
+}
+
+// ClusterTestType constructs an declarative configuration of the ClusterTestType type for use with
+// apply.
+func ClusterTestType(name string) *ClusterTestTypeApplyConfiguration {
+	b := &ClusterTestTypeApplyConfiguration{}
+	b.WithName(name)
+	b.WithKind("ClusterTestType")
+	b.WithAPIVersion("example.crd.code-generator.k8s.io/v1")
+	return b
+}
+
+// WithKind sets the Kind field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Kind field is set to the value of the last call.
+func (b *ClusterTestTypeApplyConfiguration) WithKind(value string) *ClusterTestTypeApplyConfiguration {
+	b.Kind = &value
+	return b
+}
+
+// WithAPIVersion sets the APIVersion field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the APIVersion field is set to the value of the last call.
+func (b *ClusterTestTypeApplyConfiguration) WithAPIVersion(value string) *ClusterTestTypeApplyConfiguration {
+	b.APIVersion = &value
+	return b
+}
+
+// WithName sets the Name field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Name field is set to the value of the last call.
+func (b *ClusterTestTypeApplyConfiguration) WithName(value string) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.Name = &value
+	return b
+}
+
+// WithGenerateName sets the GenerateName field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the GenerateName field is set to the value of the last call.
+func (b *ClusterTestTypeApplyConfiguration) WithGenerateName(value string) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.GenerateName = &value
+	return b
+}
+
+// WithNamespace sets the Namespace field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Namespace field is set to the value of the last call.
+func (b *ClusterTestTypeApplyConfiguration) WithNamespace(value string) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.Namespace = &value
+	return b
+}
+
+// WithUID sets the UID field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the UID field is set to the value of the last call.
+func (b *ClusterTestTypeApplyConfiguration) WithUID(value types.UID) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.UID = &value
+	return b
+}
+
+// WithResourceVersion sets the ResourceVersion field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the ResourceVersion field is set to the value of the last call.
+func (b *ClusterTestTypeApplyConfiguration) WithResourceVersion(value string) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ResourceVersion = &value
+	return b
+}
+
+// WithGeneration sets the Generation field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Generation field is set to the value of the last call.
+func (b *ClusterTestTypeApplyConfiguration) WithGeneration(value int64) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.Generation = &value
+	return b
+}
+
+// WithCreationTimestamp sets the CreationTimestamp field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the CreationTimestamp field is set to the value of the last call.
+func (b *ClusterTestTypeApplyConfiguration) WithCreationTimestamp(value metav1.Time) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.CreationTimestamp = &value
+	return b
+}
+
+// WithDeletionTimestamp sets the DeletionTimestamp field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the DeletionTimestamp field is set to the value of the last call.
+func (b *ClusterTestTypeApplyConfiguration) WithDeletionTimestamp(value metav1.Time) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.DeletionTimestamp = &value
+	return b
+}
+
+// WithDeletionGracePeriodSeconds sets the DeletionGracePeriodSeconds field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the DeletionGracePeriodSeconds field is set to the value of the last call.
+func (b *ClusterTestTypeApplyConfiguration) WithDeletionGracePeriodSeconds(value int64) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.DeletionGracePeriodSeconds = &value
+	return b
+}
+
+// WithLabels puts the entries into the Labels field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, the entries provided by each call will be put on the Labels field,
+// overwriting an existing map entries in Labels field with the same key.
+func (b *ClusterTestTypeApplyConfiguration) WithLabels(entries map[string]string) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	if b.Labels == nil && len(entries) > 0 {
+		b.Labels = make(map[string]string, len(entries))
+	}
+	for k, v := range entries {
+		b.Labels[k] = v
+	}
+	return b
+}
+
+// WithAnnotations puts the entries into the Annotations field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, the entries provided by each call will be put on the Annotations field,
+// overwriting an existing map entries in Annotations field with the same key.
+func (b *ClusterTestTypeApplyConfiguration) WithAnnotations(entries map[string]string) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	if b.Annotations == nil && len(entries) > 0 {
+		b.Annotations = make(map[string]string, len(entries))
+	}
+	for k, v := range entries {
+		b.Annotations[k] = v
+	}
+	return b
+}
+
+// WithOwnerReferences adds the given value to the OwnerReferences field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, values provided by each call will be appended to the OwnerReferences field.
+func (b *ClusterTestTypeApplyConfiguration) WithOwnerReferences(values ...*v1.OwnerReferenceApplyConfiguration) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	for i := range values {
+		if values[i] == nil {
+			panic("nil value passed to WithOwnerReferences")
+		}
+		b.OwnerReferences = append(b.OwnerReferences, *values[i])
+	}
+	return b
+}
+
+// WithFinalizers adds the given value to the Finalizers field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, values provided by each call will be appended to the Finalizers field.
+func (b *ClusterTestTypeApplyConfiguration) WithFinalizers(values ...string) *ClusterTestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	for i := range values {
+		b.Finalizers = append(b.Finalizers, values[i])
+	}
+	return b
+}
+
+func (b *ClusterTestTypeApplyConfiguration) ensureObjectMetaApplyConfigurationExists() {
+	if b.ObjectMetaApplyConfiguration == nil {
+		b.ObjectMetaApplyConfiguration = &v1.ObjectMetaApplyConfiguration{}
+	}
+}
+
+// WithStatus sets the Status field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Status field is set to the value of the last call.
+func (b *ClusterTestTypeApplyConfiguration) WithStatus(value apiv1.ClusterTestTypeStatus) *ClusterTestTypeApplyConfiguration {
+	b.Status = &value
+	return b
+}

staging/src/k8s.io/code-generator/examples/single/applyconfiguration/api/v1/testtype.go

@@ -0,0 +1,211 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	v1 "k8s.io/client-go/applyconfigurations/meta/v1"
+	apiv1 "k8s.io/code-generator/examples/single/api/v1"
+)
+
+// TestTypeApplyConfiguration represents an declarative configuration of the TestType type for use
+// with apply.
+type TestTypeApplyConfiguration struct {
+	v1.TypeMetaApplyConfiguration    `json:",inline"`
+	*v1.ObjectMetaApplyConfiguration `json:"metadata,omitempty"`
+	Status                           *apiv1.TestTypeStatus `json:"status,omitempty"`
+}
+
+// TestType constructs an declarative configuration of the TestType type for use with
+// apply.
+func TestType(name, namespace string) *TestTypeApplyConfiguration {
+	b := &TestTypeApplyConfiguration{}
+	b.WithName(name)
+	b.WithNamespace(namespace)
+	b.WithKind("TestType")
+	b.WithAPIVersion("example.crd.code-generator.k8s.io/v1")
+	return b
+}
+
+// WithKind sets the Kind field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Kind field is set to the value of the last call.
+func (b *TestTypeApplyConfiguration) WithKind(value string) *TestTypeApplyConfiguration {
+	b.Kind = &value
+	return b
+}
+
+// WithAPIVersion sets the APIVersion field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the APIVersion field is set to the value of the last call.
+func (b *TestTypeApplyConfiguration) WithAPIVersion(value string) *TestTypeApplyConfiguration {
+	b.APIVersion = &value
+	return b
+}
+
+// WithName sets the Name field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Name field is set to the value of the last call.
+func (b *TestTypeApplyConfiguration) WithName(value string) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.Name = &value
+	return b
+}
+
+// WithGenerateName sets the GenerateName field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the GenerateName field is set to the value of the last call.
+func (b *TestTypeApplyConfiguration) WithGenerateName(value string) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.GenerateName = &value
+	return b
+}
+
+// WithNamespace sets the Namespace field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Namespace field is set to the value of the last call.
+func (b *TestTypeApplyConfiguration) WithNamespace(value string) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.Namespace = &value
+	return b
+}
+
+// WithUID sets the UID field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the UID field is set to the value of the last call.
+func (b *TestTypeApplyConfiguration) WithUID(value types.UID) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.UID = &value
+	return b
+}
+
+// WithResourceVersion sets the ResourceVersion field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the ResourceVersion field is set to the value of the last call.
+func (b *TestTypeApplyConfiguration) WithResourceVersion(value string) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.ResourceVersion = &value
+	return b
+}
+
+// WithGeneration sets the Generation field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Generation field is set to the value of the last call.
+func (b *TestTypeApplyConfiguration) WithGeneration(value int64) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.Generation = &value
+	return b
+}
+
+// WithCreationTimestamp sets the CreationTimestamp field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the CreationTimestamp field is set to the value of the last call.
+func (b *TestTypeApplyConfiguration) WithCreationTimestamp(value metav1.Time) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.CreationTimestamp = &value
+	return b
+}
+
+// WithDeletionTimestamp sets the DeletionTimestamp field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the DeletionTimestamp field is set to the value of the last call.
+func (b *TestTypeApplyConfiguration) WithDeletionTimestamp(value metav1.Time) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.DeletionTimestamp = &value
+	return b
+}
+
+// WithDeletionGracePeriodSeconds sets the DeletionGracePeriodSeconds field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the DeletionGracePeriodSeconds field is set to the value of the last call.
+func (b *TestTypeApplyConfiguration) WithDeletionGracePeriodSeconds(value int64) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	b.DeletionGracePeriodSeconds = &value
+	return b
+}
+
+// WithLabels puts the entries into the Labels field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, the entries provided by each call will be put on the Labels field,
+// overwriting an existing map entries in Labels field with the same key.
+func (b *TestTypeApplyConfiguration) WithLabels(entries map[string]string) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	if b.Labels == nil && len(entries) > 0 {
+		b.Labels = make(map[string]string, len(entries))
+	}
+	for k, v := range entries {
+		b.Labels[k] = v
+	}
+	return b
+}
+
+// WithAnnotations puts the entries into the Annotations field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, the entries provided by each call will be put on the Annotations field,
+// overwriting an existing map entries in Annotations field with the same key.
+func (b *TestTypeApplyConfiguration) WithAnnotations(entries map[string]string) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	if b.Annotations == nil && len(entries) > 0 {
+		b.Annotations = make(map[string]string, len(entries))
+	}
+	for k, v := range entries {
+		b.Annotations[k] = v
+	}
+	return b
+}
+
+// WithOwnerReferences adds the given value to the OwnerReferences field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, values provided by each call will be appended to the OwnerReferences field.
+func (b *TestTypeApplyConfiguration) WithOwnerReferences(values ...*v1.OwnerReferenceApplyConfiguration) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	for i := range values {
+		if values[i] == nil {
+			panic("nil value passed to WithOwnerReferences")
+		}
+		b.OwnerReferences = append(b.OwnerReferences, *values[i])
+	}
+	return b
+}
+
+// WithFinalizers adds the given value to the Finalizers field in the declarative configuration
+// and returns the receiver, so that objects can be build by chaining "With" function invocations.
+// If called multiple times, values provided by each call will be appended to the Finalizers field.
+func (b *TestTypeApplyConfiguration) WithFinalizers(values ...string) *TestTypeApplyConfiguration {
+	b.ensureObjectMetaApplyConfigurationExists()
+	for i := range values {
+		b.Finalizers = append(b.Finalizers, values[i])
+	}
+	return b
+}
+
+func (b *TestTypeApplyConfiguration) ensureObjectMetaApplyConfigurationExists() {
+	if b.ObjectMetaApplyConfiguration == nil {
+		b.ObjectMetaApplyConfiguration = &v1.ObjectMetaApplyConfiguration{}
+	}
+}
+
+// WithStatus sets the Status field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the Status field is set to the value of the last call.
+func (b *TestTypeApplyConfiguration) WithStatus(value apiv1.TestTypeStatus) *TestTypeApplyConfiguration {
+	b.Status = &value
+	return b
+}

staging/src/k8s.io/code-generator/examples/single/applyconfiguration/internal/internal.go

@@ -0,0 +1,62 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package internal
+
+import (
+	"fmt"
+	"sync"
+
+	typed "sigs.k8s.io/structured-merge-diff/v4/typed"
+)
+
+func Parser() *typed.Parser {
+	parserOnce.Do(func() {
+		var err error
+		parser, err = typed.NewParser(schemaYAML)
+		if err != nil {
+			panic(fmt.Sprintf("Failed to parse schema: %v", err))
+		}
+	})
+	return parser
+}
+
+var parserOnce sync.Once
+var parser *typed.Parser
+var schemaYAML = typed.YAMLObject(`types:
+- name: __untyped_atomic_
+  scalar: untyped
+  list:
+    elementType:
+      namedType: __untyped_atomic_
+    elementRelationship: atomic
+  map:
+    elementType:
+      namedType: __untyped_atomic_
+    elementRelationship: atomic
+- name: __untyped_deduced_
+  scalar: untyped
+  list:
+    elementType:
+      namedType: __untyped_atomic_
+    elementRelationship: atomic
+  map:
+    elementType:
+      namedType: __untyped_deduced_
+    elementRelationship: separable
+`)

staging/src/k8s.io/code-generator/examples/single/applyconfiguration/utils.go

@@ -0,0 +1,39 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by applyconfiguration-gen. DO NOT EDIT.
+
+package applyconfiguration
+
+import (
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	v1 "k8s.io/code-generator/examples/single/api/v1"
+	apiv1 "k8s.io/code-generator/examples/single/applyconfiguration/api/v1"
+)
+
+// ForKind returns an apply configuration type for the given GroupVersionKind, or nil if no
+// apply configuration type exists for the given GroupVersionKind.
+func ForKind(kind schema.GroupVersionKind) interface{} {
+	switch kind {
+	// Group=example.crd.code-generator.k8s.io, Version=v1
+	case v1.SchemeGroupVersion.WithKind("ClusterTestType"):
+		return &apiv1.ClusterTestTypeApplyConfiguration{}
+	case v1.SchemeGroupVersion.WithKind("TestType"):
+		return &apiv1.TestTypeApplyConfiguration{}
+
+	}
+	return nil
+}

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/clientset.go

@@ -0,0 +1,120 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package versioned
+
+import (
+	"fmt"
+	"net/http"
+
+	discovery "k8s.io/client-go/discovery"
+	rest "k8s.io/client-go/rest"
+	flowcontrol "k8s.io/client-go/util/flowcontrol"
+	examplev1 "k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1"
+)
+
+type Interface interface {
+	Discovery() discovery.DiscoveryInterface
+	ExampleV1() examplev1.ExampleV1Interface
+}
+
+// Clientset contains the clients for groups.
+type Clientset struct {
+	*discovery.DiscoveryClient
+	exampleV1 *examplev1.ExampleV1Client
+}
+
+// ExampleV1 retrieves the ExampleV1Client
+func (c *Clientset) ExampleV1() examplev1.ExampleV1Interface {
+	return c.exampleV1
+}
+
+// Discovery retrieves the DiscoveryClient
+func (c *Clientset) Discovery() discovery.DiscoveryInterface {
+	if c == nil {
+		return nil
+	}
+	return c.DiscoveryClient
+}
+
+// NewForConfig creates a new Clientset for the given config.
+// If config's RateLimiter is not set and QPS and Burst are acceptable,
+// NewForConfig will generate a rate-limiter in configShallowCopy.
+// NewForConfig is equivalent to NewForConfigAndClient(c, httpClient),
+// where httpClient was generated with rest.HTTPClientFor(c).
+func NewForConfig(c *rest.Config) (*Clientset, error) {
+	configShallowCopy := *c
+
+	if configShallowCopy.UserAgent == "" {
+		configShallowCopy.UserAgent = rest.DefaultKubernetesUserAgent()
+	}
+
+	// share the transport between all clients
+	httpClient, err := rest.HTTPClientFor(&configShallowCopy)
+	if err != nil {
+		return nil, err
+	}
+
+	return NewForConfigAndClient(&configShallowCopy, httpClient)
+}
+
+// NewForConfigAndClient creates a new Clientset for the given config and http client.
+// Note the http client provided takes precedence over the configured transport values.
+// If config's RateLimiter is not set and QPS and Burst are acceptable,
+// NewForConfigAndClient will generate a rate-limiter in configShallowCopy.
+func NewForConfigAndClient(c *rest.Config, httpClient *http.Client) (*Clientset, error) {
+	configShallowCopy := *c
+	if configShallowCopy.RateLimiter == nil && configShallowCopy.QPS > 0 {
+		if configShallowCopy.Burst <= 0 {
+			return nil, fmt.Errorf("burst is required to be greater than 0 when RateLimiter is not set and QPS is set to greater than 0")
+		}
+		configShallowCopy.RateLimiter = flowcontrol.NewTokenBucketRateLimiter(configShallowCopy.QPS, configShallowCopy.Burst)
+	}
+
+	var cs Clientset
+	var err error
+	cs.exampleV1, err = examplev1.NewForConfigAndClient(&configShallowCopy, httpClient)
+	if err != nil {
+		return nil, err
+	}
+
+	cs.DiscoveryClient, err = discovery.NewDiscoveryClientForConfigAndClient(&configShallowCopy, httpClient)
+	if err != nil {
+		return nil, err
+	}
+	return &cs, nil
+}
+
+// NewForConfigOrDie creates a new Clientset for the given config and
+// panics if there is an error in the config.
+func NewForConfigOrDie(c *rest.Config) *Clientset {
+	cs, err := NewForConfig(c)
+	if err != nil {
+		panic(err)
+	}
+	return cs
+}
+
+// New creates a new Clientset for the given RESTClient.
+func New(c rest.Interface) *Clientset {
+	var cs Clientset
+	cs.exampleV1 = examplev1.New(c)
+
+	cs.DiscoveryClient = discovery.NewDiscoveryClient(c)
+	return &cs
+}

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/fake/clientset_generated.go

@@ -0,0 +1,85 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/watch"
+	"k8s.io/client-go/discovery"
+	fakediscovery "k8s.io/client-go/discovery/fake"
+	"k8s.io/client-go/testing"
+	clientset "k8s.io/code-generator/examples/single/clientset/versioned"
+	examplev1 "k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1"
+	fakeexamplev1 "k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1/fake"
+)
+
+// NewSimpleClientset returns a clientset that will respond with the provided objects.
+// It's backed by a very simple object tracker that processes creates, updates and deletions as-is,
+// without applying any validations and/or defaults. It shouldn't be considered a replacement
+// for a real clientset and is mostly useful in simple unit tests.
+func NewSimpleClientset(objects ...runtime.Object) *Clientset {
+	o := testing.NewObjectTracker(scheme, codecs.UniversalDecoder())
+	for _, obj := range objects {
+		if err := o.Add(obj); err != nil {
+			panic(err)
+		}
+	}
+
+	cs := &Clientset{tracker: o}
+	cs.discovery = &fakediscovery.FakeDiscovery{Fake: &cs.Fake}
+	cs.AddReactor("*", "*", testing.ObjectReaction(o))
+	cs.AddWatchReactor("*", func(action testing.Action) (handled bool, ret watch.Interface, err error) {
+		gvr := action.GetResource()
+		ns := action.GetNamespace()
+		watch, err := o.Watch(gvr, ns)
+		if err != nil {
+			return false, nil, err
+		}
+		return true, watch, nil
+	})
+
+	return cs
+}
+
+// Clientset implements clientset.Interface. Meant to be embedded into a
+// struct to get a default implementation. This makes faking out just the method
+// you want to test easier.
+type Clientset struct {
+	testing.Fake
+	discovery *fakediscovery.FakeDiscovery
+	tracker   testing.ObjectTracker
+}
+
+func (c *Clientset) Discovery() discovery.DiscoveryInterface {
+	return c.discovery
+}
+
+func (c *Clientset) Tracker() testing.ObjectTracker {
+	return c.tracker
+}
+
+var (
+	_ clientset.Interface = &Clientset{}
+	_ testing.FakeClient  = &Clientset{}
+)
+
+// ExampleV1 retrieves the ExampleV1Client
+func (c *Clientset) ExampleV1() examplev1.ExampleV1Interface {
+	return &fakeexamplev1.FakeExampleV1{Fake: &c.Fake}
+}

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/fake/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// This package has the automatically generated fake clientset.
+package fake

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/fake/register.go

@@ -0,0 +1,56 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	serializer "k8s.io/apimachinery/pkg/runtime/serializer"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	examplev1 "k8s.io/code-generator/examples/single/api/v1"
+)
+
+var scheme = runtime.NewScheme()
+var codecs = serializer.NewCodecFactory(scheme)
+
+var localSchemeBuilder = runtime.SchemeBuilder{
+	examplev1.AddToScheme,
+}
+
+// AddToScheme adds all types of this clientset into the given scheme. This allows composition
+// of clientsets, like in:
+//
+//	import (
+//	  "k8s.io/client-go/kubernetes"
+//	  clientsetscheme "k8s.io/client-go/kubernetes/scheme"
+//	  aggregatorclientsetscheme "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/scheme"
+//	)
+//
+//	kclientset, _ := kubernetes.NewForConfig(c)
+//	_ = aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
+//
+// After this, RawExtensions in Kubernetes types will serialize kube-aggregator types
+// correctly.
+var AddToScheme = localSchemeBuilder.AddToScheme
+
+func init() {
+	v1.AddToGroupVersion(scheme, schema.GroupVersion{Version: "v1"})
+	utilruntime.Must(AddToScheme(scheme))
+}

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/scheme/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// This package contains the scheme of the automatically generated clientset.
+package scheme

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/scheme/register.go

@@ -0,0 +1,56 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package scheme
+
+import (
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	serializer "k8s.io/apimachinery/pkg/runtime/serializer"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	examplev1 "k8s.io/code-generator/examples/single/api/v1"
+)
+
+var Scheme = runtime.NewScheme()
+var Codecs = serializer.NewCodecFactory(Scheme)
+var ParameterCodec = runtime.NewParameterCodec(Scheme)
+var localSchemeBuilder = runtime.SchemeBuilder{
+	examplev1.AddToScheme,
+}
+
+// AddToScheme adds all types of this clientset into the given scheme. This allows composition
+// of clientsets, like in:
+//
+//	import (
+//	  "k8s.io/client-go/kubernetes"
+//	  clientsetscheme "k8s.io/client-go/kubernetes/scheme"
+//	  aggregatorclientsetscheme "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/scheme"
+//	)
+//
+//	kclientset, _ := kubernetes.NewForConfig(c)
+//	_ = aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
+//
+// After this, RawExtensions in Kubernetes types will serialize kube-aggregator types
+// correctly.
+var AddToScheme = localSchemeBuilder.AddToScheme
+
+func init() {
+	v1.AddToGroupVersion(Scheme, schema.GroupVersion{Version: "v1"})
+	utilruntime.Must(AddToScheme(Scheme))
+}

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1/api_client.go

@@ -0,0 +1,112 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	"net/http"
+
+	rest "k8s.io/client-go/rest"
+	v1 "k8s.io/code-generator/examples/single/api/v1"
+	"k8s.io/code-generator/examples/single/clientset/versioned/scheme"
+)
+
+type ExampleV1Interface interface {
+	RESTClient() rest.Interface
+	ClusterTestTypesGetter
+	TestTypesGetter
+}
+
+// ExampleV1Client is used to interact with features provided by the example.crd.code-generator.k8s.io group.
+type ExampleV1Client struct {
+	restClient rest.Interface
+}
+
+func (c *ExampleV1Client) ClusterTestTypes() ClusterTestTypeInterface {
+	return newClusterTestTypes(c)
+}
+
+func (c *ExampleV1Client) TestTypes(namespace string) TestTypeInterface {
+	return newTestTypes(c, namespace)
+}
+
+// NewForConfig creates a new ExampleV1Client for the given config.
+// NewForConfig is equivalent to NewForConfigAndClient(c, httpClient),
+// where httpClient was generated with rest.HTTPClientFor(c).
+func NewForConfig(c *rest.Config) (*ExampleV1Client, error) {
+	config := *c
+	if err := setConfigDefaults(&config); err != nil {
+		return nil, err
+	}
+	httpClient, err := rest.HTTPClientFor(&config)
+	if err != nil {
+		return nil, err
+	}
+	return NewForConfigAndClient(&config, httpClient)
+}
+
+// NewForConfigAndClient creates a new ExampleV1Client for the given config and http client.
+// Note the http client provided takes precedence over the configured transport values.
+func NewForConfigAndClient(c *rest.Config, h *http.Client) (*ExampleV1Client, error) {
+	config := *c
+	if err := setConfigDefaults(&config); err != nil {
+		return nil, err
+	}
+	client, err := rest.RESTClientForConfigAndClient(&config, h)
+	if err != nil {
+		return nil, err
+	}
+	return &ExampleV1Client{client}, nil
+}
+
+// NewForConfigOrDie creates a new ExampleV1Client for the given config and
+// panics if there is an error in the config.
+func NewForConfigOrDie(c *rest.Config) *ExampleV1Client {
+	client, err := NewForConfig(c)
+	if err != nil {
+		panic(err)
+	}
+	return client
+}
+
+// New creates a new ExampleV1Client for the given RESTClient.
+func New(c rest.Interface) *ExampleV1Client {
+	return &ExampleV1Client{c}
+}
+
+func setConfigDefaults(config *rest.Config) error {
+	gv := v1.SchemeGroupVersion
+	config.GroupVersion = &gv
+	config.APIPath = "/apis"
+	config.NegotiatedSerializer = scheme.Codecs.WithoutConversion()
+
+	if config.UserAgent == "" {
+		config.UserAgent = rest.DefaultKubernetesUserAgent()
+	}
+
+	return nil
+}
+
+// RESTClient returns a RESTClient that is used to communicate
+// with API server by this client implementation.
+func (c *ExampleV1Client) RESTClient() rest.Interface {
+	if c == nil {
+		return nil
+	}
+	return c.restClient
+}

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1/clustertesttype.go

@@ -0,0 +1,274 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	"context"
+	json "encoding/json"
+	"fmt"
+	"time"
+
+	autoscalingv1 "k8s.io/api/autoscaling/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	rest "k8s.io/client-go/rest"
+	v1 "k8s.io/code-generator/examples/single/api/v1"
+	apiv1 "k8s.io/code-generator/examples/single/applyconfiguration/api/v1"
+	scheme "k8s.io/code-generator/examples/single/clientset/versioned/scheme"
+)
+
+// ClusterTestTypesGetter has a method to return a ClusterTestTypeInterface.
+// A group's client should implement this interface.
+type ClusterTestTypesGetter interface {
+	ClusterTestTypes() ClusterTestTypeInterface
+}
+
+// ClusterTestTypeInterface has methods to work with ClusterTestType resources.
+type ClusterTestTypeInterface interface {
+	Create(ctx context.Context, clusterTestType *v1.ClusterTestType, opts metav1.CreateOptions) (*v1.ClusterTestType, error)
+	Update(ctx context.Context, clusterTestType *v1.ClusterTestType, opts metav1.UpdateOptions) (*v1.ClusterTestType, error)
+	UpdateStatus(ctx context.Context, clusterTestType *v1.ClusterTestType, opts metav1.UpdateOptions) (*v1.ClusterTestType, error)
+	Delete(ctx context.Context, name string, opts metav1.DeleteOptions) error
+	DeleteCollection(ctx context.Context, opts metav1.DeleteOptions, listOpts metav1.ListOptions) error
+	Get(ctx context.Context, name string, opts metav1.GetOptions) (*v1.ClusterTestType, error)
+	List(ctx context.Context, opts metav1.ListOptions) (*v1.ClusterTestTypeList, error)
+	Watch(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error)
+	Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts metav1.PatchOptions, subresources ...string) (result *v1.ClusterTestType, err error)
+	Apply(ctx context.Context, clusterTestType *apiv1.ClusterTestTypeApplyConfiguration, opts metav1.ApplyOptions) (result *v1.ClusterTestType, err error)
+	ApplyStatus(ctx context.Context, clusterTestType *apiv1.ClusterTestTypeApplyConfiguration, opts metav1.ApplyOptions) (result *v1.ClusterTestType, err error)
+	GetScale(ctx context.Context, clusterTestTypeName string, options metav1.GetOptions) (*autoscalingv1.Scale, error)
+	UpdateScale(ctx context.Context, clusterTestTypeName string, scale *autoscalingv1.Scale, opts metav1.UpdateOptions) (*autoscalingv1.Scale, error)
+
+	ClusterTestTypeExpansion
+}
+
+// clusterTestTypes implements ClusterTestTypeInterface
+type clusterTestTypes struct {
+	client rest.Interface
+}
+
+// newClusterTestTypes returns a ClusterTestTypes
+func newClusterTestTypes(c *ExampleV1Client) *clusterTestTypes {
+	return &clusterTestTypes{
+		client: c.RESTClient(),
+	}
+}
+
+// Get takes name of the clusterTestType, and returns the corresponding clusterTestType object, and an error if there is any.
+func (c *clusterTestTypes) Get(ctx context.Context, name string, options metav1.GetOptions) (result *v1.ClusterTestType, err error) {
+	result = &v1.ClusterTestType{}
+	err = c.client.Get().
+		Resource("clustertesttypes").
+		Name(name).
+		VersionedParams(&options, scheme.ParameterCodec).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// List takes label and field selectors, and returns the list of ClusterTestTypes that match those selectors.
+func (c *clusterTestTypes) List(ctx context.Context, opts metav1.ListOptions) (result *v1.ClusterTestTypeList, err error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	result = &v1.ClusterTestTypeList{}
+	err = c.client.Get().
+		Resource("clustertesttypes").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Watch returns a watch.Interface that watches the requested clusterTestTypes.
+func (c *clusterTestTypes) Watch(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	opts.Watch = true
+	return c.client.Get().
+		Resource("clustertesttypes").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Watch(ctx)
+}
+
+// Create takes the representation of a clusterTestType and creates it.  Returns the server's representation of the clusterTestType, and an error, if there is any.
+func (c *clusterTestTypes) Create(ctx context.Context, clusterTestType *v1.ClusterTestType, opts metav1.CreateOptions) (result *v1.ClusterTestType, err error) {
+	result = &v1.ClusterTestType{}
+	err = c.client.Post().
+		Resource("clustertesttypes").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(clusterTestType).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Update takes the representation of a clusterTestType and updates it. Returns the server's representation of the clusterTestType, and an error, if there is any.
+func (c *clusterTestTypes) Update(ctx context.Context, clusterTestType *v1.ClusterTestType, opts metav1.UpdateOptions) (result *v1.ClusterTestType, err error) {
+	result = &v1.ClusterTestType{}
+	err = c.client.Put().
+		Resource("clustertesttypes").
+		Name(clusterTestType.Name).
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(clusterTestType).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// UpdateStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+func (c *clusterTestTypes) UpdateStatus(ctx context.Context, clusterTestType *v1.ClusterTestType, opts metav1.UpdateOptions) (result *v1.ClusterTestType, err error) {
+	result = &v1.ClusterTestType{}
+	err = c.client.Put().
+		Resource("clustertesttypes").
+		Name(clusterTestType.Name).
+		SubResource("status").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(clusterTestType).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Delete takes name of the clusterTestType and deletes it. Returns an error if one occurs.
+func (c *clusterTestTypes) Delete(ctx context.Context, name string, opts metav1.DeleteOptions) error {
+	return c.client.Delete().
+		Resource("clustertesttypes").
+		Name(name).
+		Body(&opts).
+		Do(ctx).
+		Error()
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *clusterTestTypes) DeleteCollection(ctx context.Context, opts metav1.DeleteOptions, listOpts metav1.ListOptions) error {
+	var timeout time.Duration
+	if listOpts.TimeoutSeconds != nil {
+		timeout = time.Duration(*listOpts.TimeoutSeconds) * time.Second
+	}
+	return c.client.Delete().
+		Resource("clustertesttypes").
+		VersionedParams(&listOpts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Body(&opts).
+		Do(ctx).
+		Error()
+}
+
+// Patch applies the patch and returns the patched clusterTestType.
+func (c *clusterTestTypes) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts metav1.PatchOptions, subresources ...string) (result *v1.ClusterTestType, err error) {
+	result = &v1.ClusterTestType{}
+	err = c.client.Patch(pt).
+		Resource("clustertesttypes").
+		Name(name).
+		SubResource(subresources...).
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(data).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Apply takes the given apply declarative configuration, applies it and returns the applied clusterTestType.
+func (c *clusterTestTypes) Apply(ctx context.Context, clusterTestType *apiv1.ClusterTestTypeApplyConfiguration, opts metav1.ApplyOptions) (result *v1.ClusterTestType, err error) {
+	if clusterTestType == nil {
+		return nil, fmt.Errorf("clusterTestType provided to Apply must not be nil")
+	}
+	patchOpts := opts.ToPatchOptions()
+	data, err := json.Marshal(clusterTestType)
+	if err != nil {
+		return nil, err
+	}
+	name := clusterTestType.Name
+	if name == nil {
+		return nil, fmt.Errorf("clusterTestType.Name must be provided to Apply")
+	}
+	result = &v1.ClusterTestType{}
+	err = c.client.Patch(types.ApplyPatchType).
+		Resource("clustertesttypes").
+		Name(*name).
+		VersionedParams(&patchOpts, scheme.ParameterCodec).
+		Body(data).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// ApplyStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating ApplyStatus().
+func (c *clusterTestTypes) ApplyStatus(ctx context.Context, clusterTestType *apiv1.ClusterTestTypeApplyConfiguration, opts metav1.ApplyOptions) (result *v1.ClusterTestType, err error) {
+	if clusterTestType == nil {
+		return nil, fmt.Errorf("clusterTestType provided to Apply must not be nil")
+	}
+	patchOpts := opts.ToPatchOptions()
+	data, err := json.Marshal(clusterTestType)
+	if err != nil {
+		return nil, err
+	}
+
+	name := clusterTestType.Name
+	if name == nil {
+		return nil, fmt.Errorf("clusterTestType.Name must be provided to Apply")
+	}
+
+	result = &v1.ClusterTestType{}
+	err = c.client.Patch(types.ApplyPatchType).
+		Resource("clustertesttypes").
+		Name(*name).
+		SubResource("status").
+		VersionedParams(&patchOpts, scheme.ParameterCodec).
+		Body(data).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// GetScale takes name of the clusterTestType, and returns the corresponding autoscalingv1.Scale object, and an error if there is any.
+func (c *clusterTestTypes) GetScale(ctx context.Context, clusterTestTypeName string, options metav1.GetOptions) (result *autoscalingv1.Scale, err error) {
+	result = &autoscalingv1.Scale{}
+	err = c.client.Get().
+		Resource("clustertesttypes").
+		Name(clusterTestTypeName).
+		SubResource("scale").
+		VersionedParams(&options, scheme.ParameterCodec).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// UpdateScale takes the top resource name and the representation of a scale and updates it. Returns the server's representation of the scale, and an error, if there is any.
+func (c *clusterTestTypes) UpdateScale(ctx context.Context, clusterTestTypeName string, scale *autoscalingv1.Scale, opts metav1.UpdateOptions) (result *autoscalingv1.Scale, err error) {
+	result = &autoscalingv1.Scale{}
+	err = c.client.Put().
+		Resource("clustertesttypes").
+		Name(clusterTestTypeName).
+		SubResource("scale").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(scale).
+		Do(ctx).
+		Into(result)
+	return
+}

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// This package has the automatically generated typed clients.
+package v1

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1/fake/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// Package fake has the automatically generated clients.
+package fake

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1/fake/fake_api_client.go

@@ -0,0 +1,44 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	rest "k8s.io/client-go/rest"
+	testing "k8s.io/client-go/testing"
+	v1 "k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1"
+)
+
+type FakeExampleV1 struct {
+	*testing.Fake
+}
+
+func (c *FakeExampleV1) ClusterTestTypes() v1.ClusterTestTypeInterface {
+	return &FakeClusterTestTypes{c}
+}
+
+func (c *FakeExampleV1) TestTypes(namespace string) v1.TestTypeInterface {
+	return &FakeTestTypes{c, namespace}
+}
+
+// RESTClient returns a RESTClient that is used to communicate
+// with API server by this client implementation.
+func (c *FakeExampleV1) RESTClient() rest.Interface {
+	var ret *rest.RESTClient
+	return ret
+}

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1/fake/fake_clustertesttype.go

@@ -0,0 +1,199 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	"context"
+	json "encoding/json"
+	"fmt"
+
+	autoscalingv1 "k8s.io/api/autoscaling/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	labels "k8s.io/apimachinery/pkg/labels"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	testing "k8s.io/client-go/testing"
+	v1 "k8s.io/code-generator/examples/single/api/v1"
+	apiv1 "k8s.io/code-generator/examples/single/applyconfiguration/api/v1"
+)
+
+// FakeClusterTestTypes implements ClusterTestTypeInterface
+type FakeClusterTestTypes struct {
+	Fake *FakeExampleV1
+}
+
+var clustertesttypesResource = v1.SchemeGroupVersion.WithResource("clustertesttypes")
+
+var clustertesttypesKind = v1.SchemeGroupVersion.WithKind("ClusterTestType")
+
+// Get takes name of the clusterTestType, and returns the corresponding clusterTestType object, and an error if there is any.
+func (c *FakeClusterTestTypes) Get(ctx context.Context, name string, options metav1.GetOptions) (result *v1.ClusterTestType, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootGetAction(clustertesttypesResource, name), &v1.ClusterTestType{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.ClusterTestType), err
+}
+
+// List takes label and field selectors, and returns the list of ClusterTestTypes that match those selectors.
+func (c *FakeClusterTestTypes) List(ctx context.Context, opts metav1.ListOptions) (result *v1.ClusterTestTypeList, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootListAction(clustertesttypesResource, clustertesttypesKind, opts), &v1.ClusterTestTypeList{})
+	if obj == nil {
+		return nil, err
+	}
+
+	label, _, _ := testing.ExtractFromListOptions(opts)
+	if label == nil {
+		label = labels.Everything()
+	}
+	list := &v1.ClusterTestTypeList{ListMeta: obj.(*v1.ClusterTestTypeList).ListMeta}
+	for _, item := range obj.(*v1.ClusterTestTypeList).Items {
+		if label.Matches(labels.Set(item.Labels)) {
+			list.Items = append(list.Items, item)
+		}
+	}
+	return list, err
+}
+
+// Watch returns a watch.Interface that watches the requested clusterTestTypes.
+func (c *FakeClusterTestTypes) Watch(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error) {
+	return c.Fake.
+		InvokesWatch(testing.NewRootWatchAction(clustertesttypesResource, opts))
+}
+
+// Create takes the representation of a clusterTestType and creates it.  Returns the server's representation of the clusterTestType, and an error, if there is any.
+func (c *FakeClusterTestTypes) Create(ctx context.Context, clusterTestType *v1.ClusterTestType, opts metav1.CreateOptions) (result *v1.ClusterTestType, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootCreateAction(clustertesttypesResource, clusterTestType), &v1.ClusterTestType{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.ClusterTestType), err
+}
+
+// Update takes the representation of a clusterTestType and updates it. Returns the server's representation of the clusterTestType, and an error, if there is any.
+func (c *FakeClusterTestTypes) Update(ctx context.Context, clusterTestType *v1.ClusterTestType, opts metav1.UpdateOptions) (result *v1.ClusterTestType, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootUpdateAction(clustertesttypesResource, clusterTestType), &v1.ClusterTestType{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.ClusterTestType), err
+}
+
+// UpdateStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+func (c *FakeClusterTestTypes) UpdateStatus(ctx context.Context, clusterTestType *v1.ClusterTestType, opts metav1.UpdateOptions) (*v1.ClusterTestType, error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootUpdateSubresourceAction(clustertesttypesResource, "status", clusterTestType), &v1.ClusterTestType{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.ClusterTestType), err
+}
+
+// Delete takes name of the clusterTestType and deletes it. Returns an error if one occurs.
+func (c *FakeClusterTestTypes) Delete(ctx context.Context, name string, opts metav1.DeleteOptions) error {
+	_, err := c.Fake.
+		Invokes(testing.NewRootDeleteActionWithOptions(clustertesttypesResource, name, opts), &v1.ClusterTestType{})
+	return err
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *FakeClusterTestTypes) DeleteCollection(ctx context.Context, opts metav1.DeleteOptions, listOpts metav1.ListOptions) error {
+	action := testing.NewRootDeleteCollectionAction(clustertesttypesResource, listOpts)
+
+	_, err := c.Fake.Invokes(action, &v1.ClusterTestTypeList{})
+	return err
+}
+
+// Patch applies the patch and returns the patched clusterTestType.
+func (c *FakeClusterTestTypes) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts metav1.PatchOptions, subresources ...string) (result *v1.ClusterTestType, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootPatchSubresourceAction(clustertesttypesResource, name, pt, data, subresources...), &v1.ClusterTestType{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.ClusterTestType), err
+}
+
+// Apply takes the given apply declarative configuration, applies it and returns the applied clusterTestType.
+func (c *FakeClusterTestTypes) Apply(ctx context.Context, clusterTestType *apiv1.ClusterTestTypeApplyConfiguration, opts metav1.ApplyOptions) (result *v1.ClusterTestType, err error) {
+	if clusterTestType == nil {
+		return nil, fmt.Errorf("clusterTestType provided to Apply must not be nil")
+	}
+	data, err := json.Marshal(clusterTestType)
+	if err != nil {
+		return nil, err
+	}
+	name := clusterTestType.Name
+	if name == nil {
+		return nil, fmt.Errorf("clusterTestType.Name must be provided to Apply")
+	}
+	obj, err := c.Fake.
+		Invokes(testing.NewRootPatchSubresourceAction(clustertesttypesResource, *name, types.ApplyPatchType, data), &v1.ClusterTestType{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.ClusterTestType), err
+}
+
+// ApplyStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating ApplyStatus().
+func (c *FakeClusterTestTypes) ApplyStatus(ctx context.Context, clusterTestType *apiv1.ClusterTestTypeApplyConfiguration, opts metav1.ApplyOptions) (result *v1.ClusterTestType, err error) {
+	if clusterTestType == nil {
+		return nil, fmt.Errorf("clusterTestType provided to Apply must not be nil")
+	}
+	data, err := json.Marshal(clusterTestType)
+	if err != nil {
+		return nil, err
+	}
+	name := clusterTestType.Name
+	if name == nil {
+		return nil, fmt.Errorf("clusterTestType.Name must be provided to Apply")
+	}
+	obj, err := c.Fake.
+		Invokes(testing.NewRootPatchSubresourceAction(clustertesttypesResource, *name, types.ApplyPatchType, data, "status"), &v1.ClusterTestType{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.ClusterTestType), err
+}
+
+// GetScale takes name of the clusterTestType, and returns the corresponding scale object, and an error if there is any.
+func (c *FakeClusterTestTypes) GetScale(ctx context.Context, clusterTestTypeName string, options metav1.GetOptions) (result *autoscalingv1.Scale, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootGetSubresourceAction(clustertesttypesResource, "scale", clusterTestTypeName), &autoscalingv1.Scale{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*autoscalingv1.Scale), err
+}
+
+// UpdateScale takes the representation of a scale and updates it. Returns the server's representation of the scale, and an error, if there is any.
+func (c *FakeClusterTestTypes) UpdateScale(ctx context.Context, clusterTestTypeName string, scale *autoscalingv1.Scale, opts metav1.UpdateOptions) (result *autoscalingv1.Scale, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootUpdateSubresourceAction(clustertesttypesResource, "scale", scale), &autoscalingv1.Scale{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*autoscalingv1.Scale), err
+}

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1/fake/fake_testtype.go

@@ -0,0 +1,189 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	"context"
+	json "encoding/json"
+	"fmt"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	labels "k8s.io/apimachinery/pkg/labels"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	testing "k8s.io/client-go/testing"
+	v1 "k8s.io/code-generator/examples/single/api/v1"
+	apiv1 "k8s.io/code-generator/examples/single/applyconfiguration/api/v1"
+)
+
+// FakeTestTypes implements TestTypeInterface
+type FakeTestTypes struct {
+	Fake *FakeExampleV1
+	ns   string
+}
+
+var testtypesResource = v1.SchemeGroupVersion.WithResource("testtypes")
+
+var testtypesKind = v1.SchemeGroupVersion.WithKind("TestType")
+
+// Get takes name of the testType, and returns the corresponding testType object, and an error if there is any.
+func (c *FakeTestTypes) Get(ctx context.Context, name string, options metav1.GetOptions) (result *v1.TestType, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewGetAction(testtypesResource, c.ns, name), &v1.TestType{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.TestType), err
+}
+
+// List takes label and field selectors, and returns the list of TestTypes that match those selectors.
+func (c *FakeTestTypes) List(ctx context.Context, opts metav1.ListOptions) (result *v1.TestTypeList, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewListAction(testtypesResource, testtypesKind, c.ns, opts), &v1.TestTypeList{})
+
+	if obj == nil {
+		return nil, err
+	}
+
+	label, _, _ := testing.ExtractFromListOptions(opts)
+	if label == nil {
+		label = labels.Everything()
+	}
+	list := &v1.TestTypeList{ListMeta: obj.(*v1.TestTypeList).ListMeta}
+	for _, item := range obj.(*v1.TestTypeList).Items {
+		if label.Matches(labels.Set(item.Labels)) {
+			list.Items = append(list.Items, item)
+		}
+	}
+	return list, err
+}
+
+// Watch returns a watch.Interface that watches the requested testTypes.
+func (c *FakeTestTypes) Watch(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error) {
+	return c.Fake.
+		InvokesWatch(testing.NewWatchAction(testtypesResource, c.ns, opts))
+
+}
+
+// Create takes the representation of a testType and creates it.  Returns the server's representation of the testType, and an error, if there is any.
+func (c *FakeTestTypes) Create(ctx context.Context, testType *v1.TestType, opts metav1.CreateOptions) (result *v1.TestType, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewCreateAction(testtypesResource, c.ns, testType), &v1.TestType{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.TestType), err
+}
+
+// Update takes the representation of a testType and updates it. Returns the server's representation of the testType, and an error, if there is any.
+func (c *FakeTestTypes) Update(ctx context.Context, testType *v1.TestType, opts metav1.UpdateOptions) (result *v1.TestType, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewUpdateAction(testtypesResource, c.ns, testType), &v1.TestType{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.TestType), err
+}
+
+// UpdateStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+func (c *FakeTestTypes) UpdateStatus(ctx context.Context, testType *v1.TestType, opts metav1.UpdateOptions) (*v1.TestType, error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewUpdateSubresourceAction(testtypesResource, "status", c.ns, testType), &v1.TestType{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.TestType), err
+}
+
+// Delete takes name of the testType and deletes it. Returns an error if one occurs.
+func (c *FakeTestTypes) Delete(ctx context.Context, name string, opts metav1.DeleteOptions) error {
+	_, err := c.Fake.
+		Invokes(testing.NewDeleteActionWithOptions(testtypesResource, c.ns, name, opts), &v1.TestType{})
+
+	return err
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *FakeTestTypes) DeleteCollection(ctx context.Context, opts metav1.DeleteOptions, listOpts metav1.ListOptions) error {
+	action := testing.NewDeleteCollectionAction(testtypesResource, c.ns, listOpts)
+
+	_, err := c.Fake.Invokes(action, &v1.TestTypeList{})
+	return err
+}
+
+// Patch applies the patch and returns the patched testType.
+func (c *FakeTestTypes) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts metav1.PatchOptions, subresources ...string) (result *v1.TestType, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewPatchSubresourceAction(testtypesResource, c.ns, name, pt, data, subresources...), &v1.TestType{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.TestType), err
+}
+
+// Apply takes the given apply declarative configuration, applies it and returns the applied testType.
+func (c *FakeTestTypes) Apply(ctx context.Context, testType *apiv1.TestTypeApplyConfiguration, opts metav1.ApplyOptions) (result *v1.TestType, err error) {
+	if testType == nil {
+		return nil, fmt.Errorf("testType provided to Apply must not be nil")
+	}
+	data, err := json.Marshal(testType)
+	if err != nil {
+		return nil, err
+	}
+	name := testType.Name
+	if name == nil {
+		return nil, fmt.Errorf("testType.Name must be provided to Apply")
+	}
+	obj, err := c.Fake.
+		Invokes(testing.NewPatchSubresourceAction(testtypesResource, c.ns, *name, types.ApplyPatchType, data), &v1.TestType{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.TestType), err
+}
+
+// ApplyStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating ApplyStatus().
+func (c *FakeTestTypes) ApplyStatus(ctx context.Context, testType *apiv1.TestTypeApplyConfiguration, opts metav1.ApplyOptions) (result *v1.TestType, err error) {
+	if testType == nil {
+		return nil, fmt.Errorf("testType provided to Apply must not be nil")
+	}
+	data, err := json.Marshal(testType)
+	if err != nil {
+		return nil, err
+	}
+	name := testType.Name
+	if name == nil {
+		return nil, fmt.Errorf("testType.Name must be provided to Apply")
+	}
+	obj, err := c.Fake.
+		Invokes(testing.NewPatchSubresourceAction(testtypesResource, c.ns, *name, types.ApplyPatchType, data, "status"), &v1.TestType{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1.TestType), err
+}

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1/generated_expansion.go

@@ -0,0 +1,23 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1
+
+type ClusterTestTypeExpansion interface{}
+
+type TestTypeExpansion interface{}

staging/src/k8s.io/code-generator/examples/single/clientset/versioned/typed/api/v1/testtype.go

@@ -0,0 +1,256 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	"context"
+	json "encoding/json"
+	"fmt"
+	"time"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	rest "k8s.io/client-go/rest"
+	v1 "k8s.io/code-generator/examples/single/api/v1"
+	apiv1 "k8s.io/code-generator/examples/single/applyconfiguration/api/v1"
+	scheme "k8s.io/code-generator/examples/single/clientset/versioned/scheme"
+)
+
+// TestTypesGetter has a method to return a TestTypeInterface.
+// A group's client should implement this interface.
+type TestTypesGetter interface {
+	TestTypes(namespace string) TestTypeInterface
+}
+
+// TestTypeInterface has methods to work with TestType resources.
+type TestTypeInterface interface {
+	Create(ctx context.Context, testType *v1.TestType, opts metav1.CreateOptions) (*v1.TestType, error)
+	Update(ctx context.Context, testType *v1.TestType, opts metav1.UpdateOptions) (*v1.TestType, error)
+	UpdateStatus(ctx context.Context, testType *v1.TestType, opts metav1.UpdateOptions) (*v1.TestType, error)
+	Delete(ctx context.Context, name string, opts metav1.DeleteOptions) error
+	DeleteCollection(ctx context.Context, opts metav1.DeleteOptions, listOpts metav1.ListOptions) error
+	Get(ctx context.Context, name string, opts metav1.GetOptions) (*v1.TestType, error)
+	List(ctx context.Context, opts metav1.ListOptions) (*v1.TestTypeList, error)
+	Watch(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error)
+	Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts metav1.PatchOptions, subresources ...string) (result *v1.TestType, err error)
+	Apply(ctx context.Context, testType *apiv1.TestTypeApplyConfiguration, opts metav1.ApplyOptions) (result *v1.TestType, err error)
+	ApplyStatus(ctx context.Context, testType *apiv1.TestTypeApplyConfiguration, opts metav1.ApplyOptions) (result *v1.TestType, err error)
+	TestTypeExpansion
+}
+
+// testTypes implements TestTypeInterface
+type testTypes struct {
+	client rest.Interface
+	ns     string
+}
+
+// newTestTypes returns a TestTypes
+func newTestTypes(c *ExampleV1Client, namespace string) *testTypes {
+	return &testTypes{
+		client: c.RESTClient(),
+		ns:     namespace,
+	}
+}
+
+// Get takes name of the testType, and returns the corresponding testType object, and an error if there is any.
+func (c *testTypes) Get(ctx context.Context, name string, options metav1.GetOptions) (result *v1.TestType, err error) {
+	result = &v1.TestType{}
+	err = c.client.Get().
+		Namespace(c.ns).
+		Resource("testtypes").
+		Name(name).
+		VersionedParams(&options, scheme.ParameterCodec).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// List takes label and field selectors, and returns the list of TestTypes that match those selectors.
+func (c *testTypes) List(ctx context.Context, opts metav1.ListOptions) (result *v1.TestTypeList, err error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	result = &v1.TestTypeList{}
+	err = c.client.Get().
+		Namespace(c.ns).
+		Resource("testtypes").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Watch returns a watch.Interface that watches the requested testTypes.
+func (c *testTypes) Watch(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	opts.Watch = true
+	return c.client.Get().
+		Namespace(c.ns).
+		Resource("testtypes").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Watch(ctx)
+}
+
+// Create takes the representation of a testType and creates it.  Returns the server's representation of the testType, and an error, if there is any.
+func (c *testTypes) Create(ctx context.Context, testType *v1.TestType, opts metav1.CreateOptions) (result *v1.TestType, err error) {
+	result = &v1.TestType{}
+	err = c.client.Post().
+		Namespace(c.ns).
+		Resource("testtypes").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(testType).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Update takes the representation of a testType and updates it. Returns the server's representation of the testType, and an error, if there is any.
+func (c *testTypes) Update(ctx context.Context, testType *v1.TestType, opts metav1.UpdateOptions) (result *v1.TestType, err error) {
+	result = &v1.TestType{}
+	err = c.client.Put().
+		Namespace(c.ns).
+		Resource("testtypes").
+		Name(testType.Name).
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(testType).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// UpdateStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+func (c *testTypes) UpdateStatus(ctx context.Context, testType *v1.TestType, opts metav1.UpdateOptions) (result *v1.TestType, err error) {
+	result = &v1.TestType{}
+	err = c.client.Put().
+		Namespace(c.ns).
+		Resource("testtypes").
+		Name(testType.Name).
+		SubResource("status").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(testType).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Delete takes name of the testType and deletes it. Returns an error if one occurs.
+func (c *testTypes) Delete(ctx context.Context, name string, opts metav1.DeleteOptions) error {
+	return c.client.Delete().
+		Namespace(c.ns).
+		Resource("testtypes").
+		Name(name).
+		Body(&opts).
+		Do(ctx).
+		Error()
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *testTypes) DeleteCollection(ctx context.Context, opts metav1.DeleteOptions, listOpts metav1.ListOptions) error {
+	var timeout time.Duration
+	if listOpts.TimeoutSeconds != nil {
+		timeout = time.Duration(*listOpts.TimeoutSeconds) * time.Second
+	}
+	return c.client.Delete().
+		Namespace(c.ns).
+		Resource("testtypes").
+		VersionedParams(&listOpts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Body(&opts).
+		Do(ctx).
+		Error()
+}
+
+// Patch applies the patch and returns the patched testType.
+func (c *testTypes) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts metav1.PatchOptions, subresources ...string) (result *v1.TestType, err error) {
+	result = &v1.TestType{}
+	err = c.client.Patch(pt).
+		Namespace(c.ns).
+		Resource("testtypes").
+		Name(name).
+		SubResource(subresources...).
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(data).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Apply takes the given apply declarative configuration, applies it and returns the applied testType.
+func (c *testTypes) Apply(ctx context.Context, testType *apiv1.TestTypeApplyConfiguration, opts metav1.ApplyOptions) (result *v1.TestType, err error) {
+	if testType == nil {
+		return nil, fmt.Errorf("testType provided to Apply must not be nil")
+	}
+	patchOpts := opts.ToPatchOptions()
+	data, err := json.Marshal(testType)
+	if err != nil {
+		return nil, err
+	}
+	name := testType.Name
+	if name == nil {
+		return nil, fmt.Errorf("testType.Name must be provided to Apply")
+	}
+	result = &v1.TestType{}
+	err = c.client.Patch(types.ApplyPatchType).
+		Namespace(c.ns).
+		Resource("testtypes").
+		Name(*name).
+		VersionedParams(&patchOpts, scheme.ParameterCodec).
+		Body(data).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// ApplyStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating ApplyStatus().
+func (c *testTypes) ApplyStatus(ctx context.Context, testType *apiv1.TestTypeApplyConfiguration, opts metav1.ApplyOptions) (result *v1.TestType, err error) {
+	if testType == nil {
+		return nil, fmt.Errorf("testType provided to Apply must not be nil")
+	}
+	patchOpts := opts.ToPatchOptions()
+	data, err := json.Marshal(testType)
+	if err != nil {
+		return nil, err
+	}
+
+	name := testType.Name
+	if name == nil {
+		return nil, fmt.Errorf("testType.Name must be provided to Apply")
+	}
+
+	result = &v1.TestType{}
+	err = c.client.Patch(types.ApplyPatchType).
+		Namespace(c.ns).
+		Resource("testtypes").
+		Name(*name).
+		SubResource("status").
+		VersionedParams(&patchOpts, scheme.ParameterCodec).
+		Body(data).
+		Do(ctx).
+		Into(result)
+	return
+}

staging/src/k8s.io/code-generator/examples/single/informers/externalversions/api/interface.go

@@ -0,0 +1,46 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package api
+
+import (
+	v1 "k8s.io/code-generator/examples/single/informers/externalversions/api/v1"
+	internalinterfaces "k8s.io/code-generator/examples/single/informers/externalversions/internalinterfaces"
+)
+
+// Interface provides access to each of this group's versions.
+type Interface interface {
+	// V1 provides access to shared informers for resources in V1.
+	V1() v1.Interface
+}
+
+type group struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &group{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// V1 returns a new v1.Interface.
+func (g *group) V1() v1.Interface {
+	return v1.New(g.factory, g.namespace, g.tweakListOptions)
+}

staging/src/k8s.io/code-generator/examples/single/informers/externalversions/api/v1/clustertesttype.go

@@ -0,0 +1,89 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	"context"
+	time "time"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	watch "k8s.io/apimachinery/pkg/watch"
+	cache "k8s.io/client-go/tools/cache"
+	apiv1 "k8s.io/code-generator/examples/single/api/v1"
+	versioned "k8s.io/code-generator/examples/single/clientset/versioned"
+	internalinterfaces "k8s.io/code-generator/examples/single/informers/externalversions/internalinterfaces"
+	v1 "k8s.io/code-generator/examples/single/listers/api/v1"
+)
+
+// ClusterTestTypeInformer provides access to a shared informer and lister for
+// ClusterTestTypes.
+type ClusterTestTypeInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() v1.ClusterTestTypeLister
+}
+
+type clusterTestTypeInformer struct {
+	factory          internalinterfaces.SharedInformerFactory
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// NewClusterTestTypeInformer constructs a new informer for ClusterTestType type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewClusterTestTypeInformer(client versioned.Interface, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
+	return NewFilteredClusterTestTypeInformer(client, resyncPeriod, indexers, nil)
+}
+
+// NewFilteredClusterTestTypeInformer constructs a new informer for ClusterTestType type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewFilteredClusterTestTypeInformer(client versioned.Interface, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
+	return cache.NewSharedIndexInformer(
+		&cache.ListWatch{
+			ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.ExampleV1().ClusterTestTypes().List(context.TODO(), options)
+			},
+			WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.ExampleV1().ClusterTestTypes().Watch(context.TODO(), options)
+			},
+		},
+		&apiv1.ClusterTestType{},
+		resyncPeriod,
+		indexers,
+	)
+}
+
+func (f *clusterTestTypeInformer) defaultInformer(client versioned.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	return NewFilteredClusterTestTypeInformer(client, resyncPeriod, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, f.tweakListOptions)
+}
+
+func (f *clusterTestTypeInformer) Informer() cache.SharedIndexInformer {
+	return f.factory.InformerFor(&apiv1.ClusterTestType{}, f.defaultInformer)
+}
+
+func (f *clusterTestTypeInformer) Lister() v1.ClusterTestTypeLister {
+	return v1.NewClusterTestTypeLister(f.Informer().GetIndexer())
+}

staging/src/k8s.io/code-generator/examples/single/informers/externalversions/api/v1/interface.go

@@ -0,0 +1,52 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	internalinterfaces "k8s.io/code-generator/examples/single/informers/externalversions/internalinterfaces"
+)
+
+// Interface provides access to all the informers in this group version.
+type Interface interface {
+	// ClusterTestTypes returns a ClusterTestTypeInformer.
+	ClusterTestTypes() ClusterTestTypeInformer
+	// TestTypes returns a TestTypeInformer.
+	TestTypes() TestTypeInformer
+}
+
+type version struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &version{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// ClusterTestTypes returns a ClusterTestTypeInformer.
+func (v *version) ClusterTestTypes() ClusterTestTypeInformer {
+	return &clusterTestTypeInformer{factory: v.factory, tweakListOptions: v.tweakListOptions}
+}
+
+// TestTypes returns a TestTypeInformer.
+func (v *version) TestTypes() TestTypeInformer {
+	return &testTypeInformer{factory: v.factory, namespace: v.namespace, tweakListOptions: v.tweakListOptions}
+}

staging/src/k8s.io/code-generator/examples/single/informers/externalversions/api/v1/testtype.go

@@ -0,0 +1,90 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	"context"
+	time "time"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	watch "k8s.io/apimachinery/pkg/watch"
+	cache "k8s.io/client-go/tools/cache"
+	apiv1 "k8s.io/code-generator/examples/single/api/v1"
+	versioned "k8s.io/code-generator/examples/single/clientset/versioned"
+	internalinterfaces "k8s.io/code-generator/examples/single/informers/externalversions/internalinterfaces"
+	v1 "k8s.io/code-generator/examples/single/listers/api/v1"
+)
+
+// TestTypeInformer provides access to a shared informer and lister for
+// TestTypes.
+type TestTypeInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() v1.TestTypeLister
+}
+
+type testTypeInformer struct {
+	factory          internalinterfaces.SharedInformerFactory
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+	namespace        string
+}
+
+// NewTestTypeInformer constructs a new informer for TestType type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewTestTypeInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
+	return NewFilteredTestTypeInformer(client, namespace, resyncPeriod, indexers, nil)
+}
+
+// NewFilteredTestTypeInformer constructs a new informer for TestType type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewFilteredTestTypeInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
+	return cache.NewSharedIndexInformer(
+		&cache.ListWatch{
+			ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.ExampleV1().TestTypes(namespace).List(context.TODO(), options)
+			},
+			WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.ExampleV1().TestTypes(namespace).Watch(context.TODO(), options)
+			},
+		},
+		&apiv1.TestType{},
+		resyncPeriod,
+		indexers,
+	)
+}
+
+func (f *testTypeInformer) defaultInformer(client versioned.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	return NewFilteredTestTypeInformer(client, f.namespace, resyncPeriod, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, f.tweakListOptions)
+}
+
+func (f *testTypeInformer) Informer() cache.SharedIndexInformer {
+	return f.factory.InformerFor(&apiv1.TestType{}, f.defaultInformer)
+}
+
+func (f *testTypeInformer) Lister() v1.TestTypeLister {
+	return v1.NewTestTypeLister(f.Informer().GetIndexer())
+}

staging/src/k8s.io/code-generator/examples/single/informers/externalversions/factory.go

@@ -0,0 +1,261 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package externalversions
+
+import (
+	reflect "reflect"
+	sync "sync"
+	time "time"
+
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	cache "k8s.io/client-go/tools/cache"
+	versioned "k8s.io/code-generator/examples/single/clientset/versioned"
+	api "k8s.io/code-generator/examples/single/informers/externalversions/api"
+	internalinterfaces "k8s.io/code-generator/examples/single/informers/externalversions/internalinterfaces"
+)
+
+// SharedInformerOption defines the functional option type for SharedInformerFactory.
+type SharedInformerOption func(*sharedInformerFactory) *sharedInformerFactory
+
+type sharedInformerFactory struct {
+	client           versioned.Interface
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+	lock             sync.Mutex
+	defaultResync    time.Duration
+	customResync     map[reflect.Type]time.Duration
+	transform        cache.TransformFunc
+
+	informers map[reflect.Type]cache.SharedIndexInformer
+	// startedInformers is used for tracking which informers have been started.
+	// This allows Start() to be called multiple times safely.
+	startedInformers map[reflect.Type]bool
+	// wg tracks how many goroutines were started.
+	wg sync.WaitGroup
+	// shuttingDown is true when Shutdown has been called. It may still be running
+	// because it needs to wait for goroutines.
+	shuttingDown bool
+}
+
+// WithCustomResyncConfig sets a custom resync period for the specified informer types.
+func WithCustomResyncConfig(resyncConfig map[v1.Object]time.Duration) SharedInformerOption {
+	return func(factory *sharedInformerFactory) *sharedInformerFactory {
+		for k, v := range resyncConfig {
+			factory.customResync[reflect.TypeOf(k)] = v
+		}
+		return factory
+	}
+}
+
+// WithTweakListOptions sets a custom filter on all listers of the configured SharedInformerFactory.
+func WithTweakListOptions(tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerOption {
+	return func(factory *sharedInformerFactory) *sharedInformerFactory {
+		factory.tweakListOptions = tweakListOptions
+		return factory
+	}
+}
+
+// WithNamespace limits the SharedInformerFactory to the specified namespace.
+func WithNamespace(namespace string) SharedInformerOption {
+	return func(factory *sharedInformerFactory) *sharedInformerFactory {
+		factory.namespace = namespace
+		return factory
+	}
+}
+
+// WithTransform sets a transform on all informers.
+func WithTransform(transform cache.TransformFunc) SharedInformerOption {
+	return func(factory *sharedInformerFactory) *sharedInformerFactory {
+		factory.transform = transform
+		return factory
+	}
+}
+
+// NewSharedInformerFactory constructs a new instance of sharedInformerFactory for all namespaces.
+func NewSharedInformerFactory(client versioned.Interface, defaultResync time.Duration) SharedInformerFactory {
+	return NewSharedInformerFactoryWithOptions(client, defaultResync)
+}
+
+// NewFilteredSharedInformerFactory constructs a new instance of sharedInformerFactory.
+// Listers obtained via this SharedInformerFactory will be subject to the same filters
+// as specified here.
+// Deprecated: Please use NewSharedInformerFactoryWithOptions instead
+func NewFilteredSharedInformerFactory(client versioned.Interface, defaultResync time.Duration, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerFactory {
+	return NewSharedInformerFactoryWithOptions(client, defaultResync, WithNamespace(namespace), WithTweakListOptions(tweakListOptions))
+}
+
+// NewSharedInformerFactoryWithOptions constructs a new instance of a SharedInformerFactory with additional options.
+func NewSharedInformerFactoryWithOptions(client versioned.Interface, defaultResync time.Duration, options ...SharedInformerOption) SharedInformerFactory {
+	factory := &sharedInformerFactory{
+		client:           client,
+		namespace:        v1.NamespaceAll,
+		defaultResync:    defaultResync,
+		informers:        make(map[reflect.Type]cache.SharedIndexInformer),
+		startedInformers: make(map[reflect.Type]bool),
+		customResync:     make(map[reflect.Type]time.Duration),
+	}
+
+	// Apply all options
+	for _, opt := range options {
+		factory = opt(factory)
+	}
+
+	return factory
+}
+
+func (f *sharedInformerFactory) Start(stopCh <-chan struct{}) {
+	f.lock.Lock()
+	defer f.lock.Unlock()
+
+	if f.shuttingDown {
+		return
+	}
+
+	for informerType, informer := range f.informers {
+		if !f.startedInformers[informerType] {
+			f.wg.Add(1)
+			// We need a new variable in each loop iteration,
+			// otherwise the goroutine would use the loop variable
+			// and that keeps changing.
+			informer := informer
+			go func() {
+				defer f.wg.Done()
+				informer.Run(stopCh)
+			}()
+			f.startedInformers[informerType] = true
+		}
+	}
+}
+
+func (f *sharedInformerFactory) Shutdown() {
+	f.lock.Lock()
+	f.shuttingDown = true
+	f.lock.Unlock()
+
+	// Will return immediately if there is nothing to wait for.
+	f.wg.Wait()
+}
+
+func (f *sharedInformerFactory) WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool {
+	informers := func() map[reflect.Type]cache.SharedIndexInformer {
+		f.lock.Lock()
+		defer f.lock.Unlock()
+
+		informers := map[reflect.Type]cache.SharedIndexInformer{}
+		for informerType, informer := range f.informers {
+			if f.startedInformers[informerType] {
+				informers[informerType] = informer
+			}
+		}
+		return informers
+	}()
+
+	res := map[reflect.Type]bool{}
+	for informType, informer := range informers {
+		res[informType] = cache.WaitForCacheSync(stopCh, informer.HasSynced)
+	}
+	return res
+}
+
+// InformerFor returns the SharedIndexInformer for obj using an internal
+// client.
+func (f *sharedInformerFactory) InformerFor(obj runtime.Object, newFunc internalinterfaces.NewInformerFunc) cache.SharedIndexInformer {
+	f.lock.Lock()
+	defer f.lock.Unlock()
+
+	informerType := reflect.TypeOf(obj)
+	informer, exists := f.informers[informerType]
+	if exists {
+		return informer
+	}
+
+	resyncPeriod, exists := f.customResync[informerType]
+	if !exists {
+		resyncPeriod = f.defaultResync
+	}
+
+	informer = newFunc(f.client, resyncPeriod)
+	informer.SetTransform(f.transform)
+	f.informers[informerType] = informer
+
+	return informer
+}
+
+// SharedInformerFactory provides shared informers for resources in all known
+// API group versions.
+//
+// It is typically used like this:
+//
+//	ctx, cancel := context.Background()
+//	defer cancel()
+//	factory := NewSharedInformerFactory(client, resyncPeriod)
+//	defer factory.WaitForStop()    // Returns immediately if nothing was started.
+//	genericInformer := factory.ForResource(resource)
+//	typedInformer := factory.SomeAPIGroup().V1().SomeType()
+//	factory.Start(ctx.Done())          // Start processing these informers.
+//	synced := factory.WaitForCacheSync(ctx.Done())
+//	for v, ok := range synced {
+//	    if !ok {
+//	        fmt.Fprintf(os.Stderr, "caches failed to sync: %v", v)
+//	        return
+//	    }
+//	}
+//
+//	// Creating informers can also be created after Start, but then
+//	// Start must be called again:
+//	anotherGenericInformer := factory.ForResource(resource)
+//	factory.Start(ctx.Done())
+type SharedInformerFactory interface {
+	internalinterfaces.SharedInformerFactory
+
+	// Start initializes all requested informers. They are handled in goroutines
+	// which run until the stop channel gets closed.
+	Start(stopCh <-chan struct{})
+
+	// Shutdown marks a factory as shutting down. At that point no new
+	// informers can be started anymore and Start will return without
+	// doing anything.
+	//
+	// In addition, Shutdown blocks until all goroutines have terminated. For that
+	// to happen, the close channel(s) that they were started with must be closed,
+	// either before Shutdown gets called or while it is waiting.
+	//
+	// Shutdown may be called multiple times, even concurrently. All such calls will
+	// block until all goroutines have terminated.
+	Shutdown()
+
+	// WaitForCacheSync blocks until all started informers' caches were synced
+	// or the stop channel gets closed.
+	WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool
+
+	// ForResource gives generic access to a shared informer of the matching type.
+	ForResource(resource schema.GroupVersionResource) (GenericInformer, error)
+
+	// InformerFor returns the SharedIndexInformer for obj using an internal
+	// client.
+	InformerFor(obj runtime.Object, newFunc internalinterfaces.NewInformerFunc) cache.SharedIndexInformer
+
+	Example() api.Interface
+}
+
+func (f *sharedInformerFactory) Example() api.Interface {
+	return api.New(f, f.namespace, f.tweakListOptions)
+}

staging/src/k8s.io/code-generator/examples/single/informers/externalversions/generic.go

@@ -0,0 +1,64 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package externalversions
+
+import (
+	"fmt"
+
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	cache "k8s.io/client-go/tools/cache"
+	v1 "k8s.io/code-generator/examples/single/api/v1"
+)
+
+// GenericInformer is type of SharedIndexInformer which will locate and delegate to other
+// sharedInformers based on type
+type GenericInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() cache.GenericLister
+}
+
+type genericInformer struct {
+	informer cache.SharedIndexInformer
+	resource schema.GroupResource
+}
+
+// Informer returns the SharedIndexInformer.
+func (f *genericInformer) Informer() cache.SharedIndexInformer {
+	return f.informer
+}
+
+// Lister returns the GenericLister.
+func (f *genericInformer) Lister() cache.GenericLister {
+	return cache.NewGenericLister(f.Informer().GetIndexer(), f.resource)
+}
+
+// ForResource gives generic access to a shared informer of the matching type
+// TODO extend this to unknown resources with a client pool
+func (f *sharedInformerFactory) ForResource(resource schema.GroupVersionResource) (GenericInformer, error) {
+	switch resource {
+	// Group=example.crd.code-generator.k8s.io, Version=v1
+	case v1.SchemeGroupVersion.WithResource("clustertesttypes"):
+		return &genericInformer{resource: resource.GroupResource(), informer: f.Example().V1().ClusterTestTypes().Informer()}, nil
+	case v1.SchemeGroupVersion.WithResource("testtypes"):
+		return &genericInformer{resource: resource.GroupResource(), informer: f.Example().V1().TestTypes().Informer()}, nil
+
+	}
+
+	return nil, fmt.Errorf("no informer found for %v", resource)
+}

staging/src/k8s.io/code-generator/examples/single/informers/externalversions/internalinterfaces/factory_interfaces.go

@@ -0,0 +1,40 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by informer-gen. DO NOT EDIT.
+
+package internalinterfaces
+
+import (
+	time "time"
+
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	cache "k8s.io/client-go/tools/cache"
+	versioned "k8s.io/code-generator/examples/single/clientset/versioned"
+)
+
+// NewInformerFunc takes versioned.Interface and time.Duration to return a SharedIndexInformer.
+type NewInformerFunc func(versioned.Interface, time.Duration) cache.SharedIndexInformer
+
+// SharedInformerFactory a small interface to allow for adding an informer without an import cycle
+type SharedInformerFactory interface {
+	Start(stopCh <-chan struct{})
+	InformerFor(obj runtime.Object, newFunc NewInformerFunc) cache.SharedIndexInformer
+}
+
+// TweakListOptionsFunc is a function that transforms a v1.ListOptions.
+type TweakListOptionsFunc func(*v1.ListOptions)

staging/src/k8s.io/code-generator/examples/single/listers/api/v1/clustertesttype.go

@@ -0,0 +1,68 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by lister-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/client-go/tools/cache"
+	v1 "k8s.io/code-generator/examples/single/api/v1"
+)
+
+// ClusterTestTypeLister helps list ClusterTestTypes.
+// All objects returned here must be treated as read-only.
+type ClusterTestTypeLister interface {
+	// List lists all ClusterTestTypes in the indexer.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*v1.ClusterTestType, err error)
+	// Get retrieves the ClusterTestType from the index for a given name.
+	// Objects returned here must be treated as read-only.
+	Get(name string) (*v1.ClusterTestType, error)
+	ClusterTestTypeListerExpansion
+}
+
+// clusterTestTypeLister implements the ClusterTestTypeLister interface.
+type clusterTestTypeLister struct {
+	indexer cache.Indexer
+}
+
+// NewClusterTestTypeLister returns a new ClusterTestTypeLister.
+func NewClusterTestTypeLister(indexer cache.Indexer) ClusterTestTypeLister {
+	return &clusterTestTypeLister{indexer: indexer}
+}
+
+// List lists all ClusterTestTypes in the indexer.
+func (s *clusterTestTypeLister) List(selector labels.Selector) (ret []*v1.ClusterTestType, err error) {
+	err = cache.ListAll(s.indexer, selector, func(m interface{}) {
+		ret = append(ret, m.(*v1.ClusterTestType))
+	})
+	return ret, err
+}
+
+// Get retrieves the ClusterTestType from the index for a given name.
+func (s *clusterTestTypeLister) Get(name string) (*v1.ClusterTestType, error) {
+	obj, exists, err := s.indexer.GetByKey(name)
+	if err != nil {
+		return nil, err
+	}
+	if !exists {
+		return nil, errors.NewNotFound(v1.Resource("clustertesttype"), name)
+	}
+	return obj.(*v1.ClusterTestType), nil
+}

staging/src/k8s.io/code-generator/examples/single/listers/api/v1/expansion_generated.go

@@ -0,0 +1,31 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by lister-gen. DO NOT EDIT.
+
+package v1
+
+// ClusterTestTypeListerExpansion allows custom methods to be added to
+// ClusterTestTypeLister.
+type ClusterTestTypeListerExpansion interface{}
+
+// TestTypeListerExpansion allows custom methods to be added to
+// TestTypeLister.
+type TestTypeListerExpansion interface{}
+
+// TestTypeNamespaceListerExpansion allows custom methods to be added to
+// TestTypeNamespaceLister.
+type TestTypeNamespaceListerExpansion interface{}

staging/src/k8s.io/code-generator/examples/single/listers/api/v1/testtype.go

@@ -0,0 +1,99 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by lister-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/client-go/tools/cache"
+	v1 "k8s.io/code-generator/examples/single/api/v1"
+)
+
+// TestTypeLister helps list TestTypes.
+// All objects returned here must be treated as read-only.
+type TestTypeLister interface {
+	// List lists all TestTypes in the indexer.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*v1.TestType, err error)
+	// TestTypes returns an object that can list and get TestTypes.
+	TestTypes(namespace string) TestTypeNamespaceLister
+	TestTypeListerExpansion
+}
+
+// testTypeLister implements the TestTypeLister interface.
+type testTypeLister struct {
+	indexer cache.Indexer
+}
+
+// NewTestTypeLister returns a new TestTypeLister.
+func NewTestTypeLister(indexer cache.Indexer) TestTypeLister {
+	return &testTypeLister{indexer: indexer}
+}
+
+// List lists all TestTypes in the indexer.
+func (s *testTypeLister) List(selector labels.Selector) (ret []*v1.TestType, err error) {
+	err = cache.ListAll(s.indexer, selector, func(m interface{}) {
+		ret = append(ret, m.(*v1.TestType))
+	})
+	return ret, err
+}
+
+// TestTypes returns an object that can list and get TestTypes.
+func (s *testTypeLister) TestTypes(namespace string) TestTypeNamespaceLister {
+	return testTypeNamespaceLister{indexer: s.indexer, namespace: namespace}
+}
+
+// TestTypeNamespaceLister helps list and get TestTypes.
+// All objects returned here must be treated as read-only.
+type TestTypeNamespaceLister interface {
+	// List lists all TestTypes in the indexer for a given namespace.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*v1.TestType, err error)
+	// Get retrieves the TestType from the indexer for a given namespace and name.
+	// Objects returned here must be treated as read-only.
+	Get(name string) (*v1.TestType, error)
+	TestTypeNamespaceListerExpansion
+}
+
+// testTypeNamespaceLister implements the TestTypeNamespaceLister
+// interface.
+type testTypeNamespaceLister struct {
+	indexer   cache.Indexer
+	namespace string
+}
+
+// List lists all TestTypes in the indexer for a given namespace.
+func (s testTypeNamespaceLister) List(selector labels.Selector) (ret []*v1.TestType, err error) {
+	err = cache.ListAllByNamespace(s.indexer, s.namespace, selector, func(m interface{}) {
+		ret = append(ret, m.(*v1.TestType))
+	})
+	return ret, err
+}
+
+// Get retrieves the TestType from the indexer for a given namespace and name.
+func (s testTypeNamespaceLister) Get(name string) (*v1.TestType, error) {
+	obj, exists, err := s.indexer.GetByKey(s.namespace + "/" + name)
+	if err != nil {
+		return nil, err
+	}
+	if !exists {
+		return nil, errors.NewNotFound(v1.Resource("testtype"), name)
+	}
+	return obj.(*v1.TestType), nil
+}