/usr/ is in libjavassist-java 1:3.12.1.ga-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/maven-repo/
/usr/share/maven-repo/javassist/
/usr/share/maven-repo/javassist/javassist/
/usr/share/maven-repo/javassist/javassist/debian/
/usr/share/maven-repo/javassist/javassist/debian/javassist-debian.pom
/usr/share/maven-repo/javassist/javassist/3.12.1.GA/
/usr/share/maven-repo/javassist/javassist/3.12.1.GA/javassist-3.12.1.GA.pom
/usr/share/java/
/usr/share/java/javassist-3.12.1.GA.jar
/usr/share/doc/
/usr/share/doc/libjavassist-java/
/usr/share/doc/libjavassist-java/copyright
/usr/share/doc/libjavassist-java/changelog.Debian.gz
/usr/share/maven-repo/javassist/javassist/debian/javassist-debian.jar
/usr/share/maven-repo/javassist/javassist/3.12.1.GA/javassist-3.12.1.GA.jar
/usr/share/java/javassist.jar