scheduler        4649 modules/highgui/src/ppltasks_winrt.h     Concurrency::scheduler_ptr scheduler() const
scheduler        5921 modules/highgui/src/ppltasks_winrt.h     Concurrency::scheduler_ptr scheduler() const
scheduler        5923 modules/highgui/src/ppltasks_winrt.h         return _M_unitTask.scheduler();
scheduler        5923 modules/videoio/src/ppltasks_winrt.hpp         return _M_unitTask.scheduler();