collectWidgets    236 modules/videoio/src/cap_gphoto2.cpp     int collectWidgets(std::ostream &os, CameraWidget * widget)
collectWidgets    949 modules/videoio/src/cap_gphoto2.cpp     noOfWidgets = collectWidgets(widgetInfoListStream, rootWidget) + 1;
collectWidgets   1155 modules/videoio/src/cap_gphoto2.cpp             id = std::max(id, collectWidgets(os, child));