public: __thiscall cv::String::String(class std::basic_string<char, struct std::char_traits<char>, class std::allocator<char> > const &)

Mangled name

??0String@cv@@QAE@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z

Exported by

size	filename	version
2727424	cvextern.dll
5073920	opencv_core290.dll