/usr/ is in libplexus-utils-java 1:1.5.15-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/libplexus-utils-java/
/usr/share/doc/libplexus-utils-java/README.Debian
/usr/share/doc/libplexus-utils-java/copyright
/usr/share/doc/libplexus-utils-java/changelog.Debian.gz
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/codehaus/
/usr/share/maven-repo/org/codehaus/plexus/
/usr/share/maven-repo/org/codehaus/plexus/plexus-utils/
/usr/share/maven-repo/org/codehaus/plexus/plexus-utils/1.5.15/
/usr/share/maven-repo/org/codehaus/plexus/plexus-utils/1.5.15/plexus-utils-1.5.15.pom
/usr/share/maven-repo/org/codehaus/plexus/plexus-utils/debian/
/usr/share/maven-repo/org/codehaus/plexus/plexus-utils/debian/plexus-utils-debian.pom
/usr/share/java/
/usr/share/java/plexus-utils-1.5.15.jar
/usr/share/maven-repo/org/codehaus/plexus/plexus-utils/1.5.15/plexus-utils-1.5.15.jar
/usr/share/maven-repo/org/codehaus/plexus/plexus-utils/debian/plexus-utils-debian.jar
/usr/share/java/libplexus-utils.jar
/usr/share/java/plexus-utils.jar