diff --git a/staging/src/k8s.io/apiserver/pkg/cel/mutation/typeprovider.go b/staging/src/k8s.io/apiserver/pkg/cel/mutation/typeprovider.go
index ef9e1f4ee6d..694ed3c08f2 100644
--- a/staging/src/k8s.io/apiserver/pkg/cel/mutation/typeprovider.go
+++ b/staging/src/k8s.io/apiserver/pkg/cel/mutation/typeprovider.go
@@ -60,6 +60,12 @@ func (p *TypeProvider) FindStructType(structType string) (*types.Type, bool) {
 	return p.underlyingTypeProvider.FindStructType(structType)
 }
 
+// FindStructFieldNames returns the field names associated with the type, if the type
+// is found.
+func (p *TypeProvider) FindStructFieldNames(structType string) ([]string, bool) {
+	return nil, true
+}
+
 // FindStructFieldType returns the field type for a checked type value.
 // Returns false if the field could not be found.
 func (p *TypeProvider) FindStructFieldType(structType, fieldName string) (*types.FieldType, bool) {