/usr/ is in libprison-dev 1.1.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/Prison/
/usr/lib/x86_64-linux-gnu/cmake/Prison/PrisonConfig.cmake
/usr/include/
/usr/include/prison/
/usr/include/prison/BarcodeWidget
/usr/include/prison/qrcodebarcode.h
/usr/include/prison/code39barcode.h
/usr/include/prison/barcodeitem.h
/usr/include/prison/AbstractBarcode
/usr/include/prison/prison_export.h
/usr/include/prison/DataMatrixBarcode
/usr/include/prison/abstractbarcode.h
/usr/include/prison/QRCodeBarcode
/usr/include/prison/Code93Barcode
/usr/include/prison/code93barcode.h
/usr/include/prison/Code39Barcode
/usr/include/prison/datamatrixbarcode.h
/usr/include/prison/BarcodeItem
/usr/include/prison/barcodewidget.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libprison-dev/
/usr/share/doc/libprison-dev/copyright
/usr/lib/x86_64-linux-gnu/libprison.so
/usr/share/doc/libprison-dev/changelog.Debian.gz