System/Library/Frameworks/ThreadNetwork.framework
XPCInterface.h
@interface XPCInterface : NSObject
+ (id)CTCSCreateXPCTransportInterface;
+ (id)CTCSGetExpectedClassesForOptionsOverXPCInterface;
+ (id)CTCSExpectedXPCInterfaceClassesForAllActiveDataSetRecords;
+ (void)CTCSSetExpectedClassesForXPCBrokerInterface:(id)a0;
@end