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

Mangled name

??BString@cv@@QBE?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@XZ

Exported by

size	filename	version
2727424	cvextern.dll
5073920	opencv_core290.dll