In file included from /opt/theos/include/QuartzCore/CAValueFunction.h:9:
In file included from /opt/theos/include/QuartzCore/QuartzCore-Structs.h:11:
In file included from /opt/theos/include/IOSurface/IOSurface.h:20:
/opt/theos/include/IOSurface/IOSurfaceAPI.h:251:62: error: expected function
      body after function declarator
xpc_object_t IOSurfaceCreateXPCObject(IOSurfaceRef aSurface) XPC_RETURNS...
                                                             ^
/opt/theos/include/IOSurface/IOSurfaceAPI.h:255:43: error: unknown type name
      'xpc_object_t'; did you mean 'io_object_t'?
IOSurfaceRef IOSurfaceLookupFromXPCObject(xpc_object_t xobj) CF_RETURNS_RETAINED
                                          ^
/opt/theos/include/IOKit/IOTypes.h:169:21: note: 'io_object_t' declared here
typedef mach_port_t     io_object_t;