/usr/ is in libmaven-invoker-java 2.1.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/apache/
/usr/share/maven-repo/org/apache/maven/
/usr/share/maven-repo/org/apache/maven/shared/
/usr/share/maven-repo/org/apache/maven/shared/maven-invoker/
/usr/share/maven-repo/org/apache/maven/shared/maven-invoker/2.1.1/
/usr/share/maven-repo/org/apache/maven/shared/maven-invoker/2.1.1/maven-invoker-2.1.1.pom
/usr/share/maven-repo/org/apache/maven/shared/maven-invoker/debian/
/usr/share/maven-repo/org/apache/maven/shared/maven-invoker/debian/maven-invoker-debian.pom
/usr/share/doc/
/usr/share/doc/libmaven-invoker-java/
/usr/share/doc/libmaven-invoker-java/changelog.Debian.gz
/usr/share/doc/libmaven-invoker-java/copyright
/usr/share/java/
/usr/share/java/maven-invoker-2.1.1.jar
/usr/share/maven-repo/org/apache/maven/shared/maven-invoker/2.1.1/maven-invoker-2.1.1.jar
/usr/share/maven-repo/org/apache/maven/shared/maven-invoker/debian/maven-invoker-debian.jar
/usr/share/java/maven-invoker.jar