/usr/ is in libmaven-ant-tasks-java 2.1.3-2.
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/maven-ant-tasks/
/usr/share/maven-repo/org/apache/maven/maven-ant-tasks/2.1.3/
/usr/share/maven-repo/org/apache/maven/maven-ant-tasks/2.1.3/maven-ant-tasks-2.1.3.pom
/usr/share/maven-repo/org/apache/maven/maven-ant-tasks/2.1.3/maven-ant-tasks-2.1.3.jar
/usr/share/maven-repo/org/apache/maven/maven-ant-tasks/debian/
/usr/share/maven-repo/org/apache/maven/maven-ant-tasks/debian/maven-ant-tasks-debian.pom
/usr/share/java/
/usr/share/doc/
/usr/share/doc/libmaven-ant-tasks-java/
/usr/share/doc/libmaven-ant-tasks-java/README.Debian
/usr/share/doc/libmaven-ant-tasks-java/copyright
/usr/share/doc/libmaven-ant-tasks-java/changelog.Debian.gz
/usr/share/maven-repo/org/apache/maven/maven-ant-tasks/debian/maven-ant-tasks-debian.jar
/usr/share/java/maven-ant-tasks.jar
/usr/share/java/maven-ant-tasks-2.1.3.jar