/usr/ is in libtrilinos-komplex-dev 12.12.1-5.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/trilinos/
/usr/include/trilinos/Komplex_LinearProblem.h
/usr/include/trilinos/Komplex_Version.h
/usr/include/trilinos/Komplex_config.h
/usr/include/trilinos/azk_komplex.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/Komplex/
/usr/lib/x86_64-linux-gnu/cmake/Komplex/KomplexConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/Komplex/KomplexTargets-none.cmake
/usr/lib/x86_64-linux-gnu/cmake/Komplex/KomplexTargets.cmake
/usr/share/
/usr/share/doc/
/usr/share/doc/libtrilinos-komplex-dev/
/usr/share/doc/libtrilinos-komplex-dev/copyright
/usr/lib/x86_64-linux-gnu/libtrilinos_komplex.so
/usr/share/doc/libtrilinos-komplex-dev/changelog.Debian.gz