Add WithSerializer option to add serializers to CodecFactory.

staging/src/k8s.io/apimachinery/pkg/runtime/serializer/codec_factory.go

@@ -89,6 +89,10 @@ func newSerializersForScheme(scheme *runtime.Scheme, mf json.MetaFactory, option
 		},
 	}
 
+	for _, f := range options.serializers {
+		serializers = append(serializers, f(scheme, scheme))
+	}
+
 	return serializers
 }
 
@@ -108,6 +112,8 @@ type CodecFactoryOptions struct {
 	Strict bool
 	// Pretty includes a pretty serializer along with the non-pretty one
 	Pretty bool
+
+	serializers []func(runtime.ObjectCreater, runtime.ObjectTyper) runtime.SerializerInfo
 }
 
 // CodecFactoryOptionsMutator takes a pointer to an options struct and then modifies it.
@@ -134,6 +140,13 @@ func DisableStrict(options *CodecFactoryOptions) {
 	options.Strict = false
 }
 
+// WithSerializer configures a serializer to be supported in addition to the default serializers.
+func WithSerializer(f func(runtime.ObjectCreater, runtime.ObjectTyper) runtime.SerializerInfo) CodecFactoryOptionsMutator {
+	return func(options *CodecFactoryOptions) {
+		options.serializers = append(options.serializers, f)
+	}
+}
+
 // NewCodecFactory provides methods for retrieving serializers for the supported wire formats
 // and conversion wrappers to define preferred internal and external versions. In the future,
 // as the internal version is used less, callers may instead use a defaulting serializer and