diff --git a/listers/generic_helpers.go b/listers/generic_helpers.go
new file mode 100644
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--- /dev/null
+++ b/listers/generic_helpers.go
@@ -0,0 +1,72 @@
+/*
+Copyright 2023 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 listers
+
+import (
+	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/client-go/tools/cache"
+)
+
+// ResourceIndexer wraps an indexer, resource, and optional namespace for a given type.
+// This is intended for use by listers (generated by lister-gen) only.
+type ResourceIndexer[T runtime.Object] struct {
+	indexer   cache.Indexer
+	resource  schema.GroupResource
+	namespace string // empty for non-namespaced types
+}
+
+// New returns a new instance of a lister (resource indexer) wrapping the given indexer and resource for the specified type.
+// This is intended for use by listers (generated by lister-gen) only.
+func New[T runtime.Object](indexer cache.Indexer, resource schema.GroupResource) ResourceIndexer[T] {
+	return ResourceIndexer[T]{indexer: indexer, resource: resource}
+}
+
+// NewNamespaced returns a new instance of a namespaced lister (resource indexer) wrapping the given parent and namespace for the specified type.
+// This is intended for use by listers (generated by lister-gen) only.
+func NewNamespaced[T runtime.Object](parent ResourceIndexer[T], namespace string) ResourceIndexer[T] {
+	return ResourceIndexer[T]{indexer: parent.indexer, resource: parent.resource, namespace: namespace}
+}
+
+// List lists all resources in the indexer matching the given selector.
+func (l ResourceIndexer[T]) List(selector labels.Selector) (ret []T, err error) {
+	// ListAllByNamespace reverts to ListAll on empty namespaces
+	err = cache.ListAllByNamespace(l.indexer, l.namespace, selector, func(m interface{}) {
+		ret = append(ret, m.(T))
+	})
+	return ret, err
+}
+
+// Get retrieves the resource from the index for a given name.
+func (l ResourceIndexer[T]) Get(name string) (T, error) {
+	var key string
+	if l.namespace == "" {
+		key = name
+	} else {
+		key = l.namespace + "/" + name
+	}
+	obj, exists, err := l.indexer.GetByKey(key)
+	if err != nil {
+		return *new(T), err
+	}
+	if !exists {
+		return *new(T), errors.NewNotFound(l.resource, name)
+	}
+	return obj.(T), nil
+}