/usr/ is in libpwiz3 3.0.10827-4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/libpwiz.so.3.0.0
/usr/share/
/usr/share/doc/
/usr/share/doc/libpwiz3/
/usr/share/doc/libpwiz3/changelog.Debian.gz
/usr/share/doc/libpwiz3/copyright
/usr/share/doc/libpwiz3/example-files/
/usr/share/doc/libpwiz3/example-files/hello_analyzer.cpp
/usr/share/doc/libpwiz3/example-files/hello_analyzer_2.cpp
/usr/share/doc/libpwiz3/example-files/hello_msdata.cpp
/usr/share/doc/libpwiz3/example-files/mscat.cpp
/usr/share/doc/libpwiz3/example-files/txt2mzml.cpp
/usr/share/doc/libpwiz3/example-files/write_example_files.cpp
/usr/share/doc/libpwiz3/example-files/write_mzid_example_files.cpp
/usr/share/doc/libpwiz3/example-files/write_proteome_example_files.cpp
/usr/share/doc/libpwiz3/example-files/write_traml_example_files.cpp
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/libpwiz3
/usr/share/man/
/usr/share/man/man3/
/usr/share/man/man3/libpwiz.3.gz
/usr/lib/libpwiz.so.3