/usr/ is in libserp-java 1.15.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/java/
/usr/share/java/serp.jar
/usr/share/maven-repo/
/usr/share/maven-repo/net/
/usr/share/maven-repo/net/sourceforge/
/usr/share/maven-repo/net/sourceforge/serp/
/usr/share/maven-repo/net/sourceforge/serp/serp/
/usr/share/maven-repo/net/sourceforge/serp/serp/1.15.1/
/usr/share/maven-repo/net/sourceforge/serp/serp/1.15.1/serp-1.15.1.pom
/usr/share/maven-repo/net/sourceforge/serp/serp/debian/
/usr/share/maven-repo/net/sourceforge/serp/serp/debian/serp-debian.pom
/usr/share/doc/
/usr/share/doc/libserp-java/
/usr/share/doc/libserp-java/changelog.Debian.gz
/usr/share/doc/libserp-java/copyright
/usr/share/java/serp-1.15.1.jar
/usr/share/maven-repo/net/sourceforge/serp/serp/1.15.1/serp-1.15.1.jar
/usr/share/maven-repo/net/sourceforge/serp/serp/debian/serp-debian.jar