File list of package libopencv-objdetect-dev in buster of architecture arm64
/usr/include/opencv2/objdetect.hpp
/usr/include/opencv2/objdetect/detection_based_tracker.hpp
/usr/include/opencv2/objdetect/objdetect.hpp
/usr/include/opencv2/objdetect/objdetect_c.h
/usr/lib/aarch64-linux-gnu/libopencv_objdetect.a
/usr/lib/aarch64-linux-gnu/libopencv_objdetect.so
/usr/share/doc/libopencv-objdetect-dev/README.Debian
/usr/share/doc/libopencv-objdetect-dev/changelog.Debian.gz
/usr/share/doc/libopencv-objdetect-dev/copyright