1 /*
2  * Copyright (c) Meta Platforms, Inc. and affiliates.
3  *
4  * This source code is licensed under the MIT license found in the
5  * LICENSE file in the root directory of this source tree.
6  */
7 
8 #pragma once
9 
10 #include <folly/SharedMutex.h>
11 #include <mutex>
12 #include <shared_mutex>
13 
14 namespace ABI48_0_0facebook {
15 namespace butter {
16 
17 using shared_mutex = folly::SharedMutex;
18 
19 } // namespace butter
20 } // namespace ABI48_0_0facebook
21