public: void __thiscall QWidgetPrivate::subtractOpaqueSiblings(class QRegion &, bool *, bool)const

Mangled name

?subtractOpaqueSiblings@QWidgetPrivate@@QBEXAAVQRegion@@PA_N_N@Z

Exported by

size	filename	version
4297216	Qt5Widgets.dll	5.1.0.0