/usr/share/ is in libxmlunit-java 1.6-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/java/
/usr/share/java/xmlunit-1.6.jar
/usr/share/maven-repo/
/usr/share/maven-repo/xmlunit/
/usr/share/maven-repo/xmlunit/xmlunit/
/usr/share/maven-repo/xmlunit/xmlunit/1.6/
/usr/share/maven-repo/xmlunit/xmlunit/1.6/xmlunit-1.6.pom
/usr/share/maven-repo/xmlunit/xmlunit/debian/
/usr/share/maven-repo/xmlunit/xmlunit/debian/xmlunit-debian.pom
/usr/share/doc/
/usr/share/doc/libxmlunit-java/
/usr/share/doc/libxmlunit-java/changelog.Debian.gz
/usr/share/doc/libxmlunit-java/TODO.Debian
/usr/share/doc/libxmlunit-java/copyright
/usr/share/java/xmlunit.jar
/usr/share/maven-repo/xmlunit/xmlunit/1.6/xmlunit-1.6.jar
/usr/share/maven-repo/xmlunit/xmlunit/debian/xmlunit-debian.jar