Returns major library version. https://docs.opencv.org/4.x/db/de0/group__core__utils.html#gaebca81a0853cd9dff3d6fd88dad25ad0
3.4.2
Returns major library version. https://docs.opencv.org/4.x/db/de0/group__core__utils.html#gaebca81a0853cd9dff3d6fd88dad25ad0