System/Library/PrivateFrameworks/FrontBoardServices.framework

FBSSceneClientSettingsDiff.h

NSObject
>
FBSSettingsDiff

@interface FBSSceneClientSettingsDiff : FBSSettingsDiff

+ (Class)_settingsClass;
+ (id)diffFromSettings:(id)a0 toSettings:(id)a1;

- (id)settingsByApplyingToMutableCopyOfSettings:(id)a0;

@end