pub fn cppwinrt_include() -> Option<PathBuf>Expand description
The newest Include\<version>\cppwinrt directory (the C++/WinRT projection headers), for
compiling WinUI shims with cc.
Overrides: DAY_CPPWINRT (the exact cppwinrt include dir — highest priority), then the
roots from windows_kits_roots. Validated by winrt/base.h.