private: void __thiscall fdPrimVariant::castToVARIANT(struct tagVARIANT &)const

Mangled name

?castToVARIANT@fdPrimVariant@@ABEXAAUtagVARIANT@@@Z

Exported by

size	filename	version
166912	abc.DLL	9.0.00
166912	abc.DLL	9.0.00