/usr/ is in libpicocontainer-java 2.15-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/libpicocontainer-java/
/usr/share/doc/libpicocontainer-java/changelog.Debian.gz
/usr/share/doc/libpicocontainer-java/copyright
/usr/share/java/
/usr/share/java/picocontainer-2.15.jar
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/picocontainer/
/usr/share/maven-repo/org/picocontainer/picocontainer/
/usr/share/maven-repo/org/picocontainer/picocontainer/2.15/
/usr/share/maven-repo/org/picocontainer/picocontainer/2.15/picocontainer-2.15.pom
/usr/share/maven-repo/org/picocontainer/picocontainer/debian/
/usr/share/maven-repo/org/picocontainer/picocontainer/debian/picocontainer-debian.pom
/usr/share/java/picocontainer.jar
/usr/share/maven-repo/org/picocontainer/picocontainer/2.15/picocontainer-2.15.jar
/usr/share/maven-repo/org/picocontainer/picocontainer/debian/picocontainer-debian.jar