public: class WString2 & __ptr64 __cdecl WString2::operator+=(unsigned short const * __ptr64) __ptr64

Mangled name

??YWString2@@QEAAAEAV0@PEBG@Z

Exported by

size	filename	version
488960	wbemcomn.dll	10.0.18362.1 (WinBuild.160101.0800)