--- /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 <Foundation/Foundation.h>
+
+@class RLMArray;
+
+NS_ASSUME_NONNULL_BEGIN
+
+// A base class for Swift generic Lists to make it possible to interact with
+// them from obj-c
+@interface RLMListBase : NSObject <NSFastEnumeration>
+@property (nonatomic, strong) RLMArray *_rlmArray;
+
+- (instancetype)initWithArray:(RLMArray *)array;
+@end
+
+NS_ASSUME_NONNULL_END