opencv/modules/calib/misc/objc/gen_dict.json

{
    "namespaces_dict": {
        "cv.fisheye": "fisheye"
    },
    "func_arg_fix" : {
        "Calib" : {
            "findCirclesGrid" : { "blobDetector" : {"defval" : "cv::SimpleBlobDetector::create()"} }
        }
    }
}