--- /dev/null
+////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2014 Realm Inc.
+//
+// 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.
+//
+////////////////////////////////////////////////////////////////////////////
+
+#import "RLMObjectSchema_Private.h"
+
+#import "object_schema.hpp"
+
+@interface RLMObjectSchema ()
+// create realm::ObjectSchema copy
+- (realm::ObjectSchema)objectStoreCopy;
+
+// initialize with realm::ObjectSchema
++ (instancetype)objectSchemaForObjectStoreSchema:(realm::ObjectSchema const&)objectSchema;
+@end