Bolts /Engine/Source/ThirdParty/IOS/Bolts/ 2016-06-07T17:45:52.3134877-04:00 Support library for the facebook SDK Facebook SDK upgrade uses this lib https://github.com/BoltsFramework/Bolts-iOS/blob/master/LICENSE Licensees Git P4 /Engine/Source/ThirdParty/Licenses/Bolts_License.txt