/usr/ is in libsac-java 1.3-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libsac-java/
/usr/share/
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/w3c/
/usr/share/maven-repo/org/w3c/css/
/usr/share/maven-repo/org/w3c/css/sac/
/usr/share/maven-repo/org/w3c/css/sac/1.3/
/usr/share/maven-repo/org/w3c/css/sac/1.3/sac-1.3.pom
/usr/share/maven-repo/org/w3c/css/sac/debian/
/usr/share/maven-repo/org/w3c/css/sac/debian/sac-debian.pom
/usr/share/java/
/usr/share/java/sac-1.3.jar
/usr/share/doc/
/usr/share/doc/libsac-java/copyright
/usr/share/doc/libsac-java/changelog.Debian.gz
/usr/share/maven-repo/org/w3c/css/sac/1.3/sac-1.3.jar
/usr/share/maven-repo/org/w3c/css/sac/debian/sac-debian.jar
/usr/share/java/sac.jar