/usr/share/maven-repo/ is in maven-debian-helper 2.3~exp1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/debian/
/usr/share/maven-repo/org/debian/maven/
/usr/share/maven-repo/org/debian/maven/debian-maven-plugin/
/usr/share/maven-repo/org/debian/maven/debian-maven-plugin/2.3/
/usr/share/maven-repo/org/debian/maven/debian-maven-plugin/2.3/debian-maven-plugin-2.3.jar
/usr/share/maven-repo/org/debian/maven/debian-maven-plugin/2.3/debian-maven-plugin-2.3.pom
/usr/share/maven-repo/org/debian/maven/maven-debian/
/usr/share/maven-repo/org/debian/maven/maven-debian-helper/
/usr/share/maven-repo/org/debian/maven/maven-debian-helper/2.3/
/usr/share/maven-repo/org/debian/maven/maven-debian-helper/2.3/maven-debian-helper-2.3.jar
/usr/share/maven-repo/org/debian/maven/maven-debian-helper/2.3/maven-debian-helper-2.3.pom
/usr/share/maven-repo/org/debian/maven/maven-debian-helper/debian/
/usr/share/maven-repo/org/debian/maven/maven-debian-helper/debian/maven-debian-helper-debian.jar
/usr/share/maven-repo/org/debian/maven/maven-debian-helper/debian/maven-debian-helper-debian.pom
/usr/share/maven-repo/org/debian/maven/maven-debian/2.3/
/usr/share/maven-repo/org/debian/maven/maven-debian/2.3/maven-debian-2.3.pom
/usr/share/maven-repo/org/debian/maven/maven-debian/debian/
/usr/share/maven-repo/org/debian/maven/maven-debian/debian/maven-debian-debian.pom
/usr/share/maven-repo/org/debian/maven/maven-packager-utils/
/usr/share/maven-repo/org/debian/maven/maven-packager-utils/2.3/
/usr/share/maven-repo/org/debian/maven/maven-packager-utils/2.3/maven-packager-utils-2.3.jar
/usr/share/maven-repo/org/debian/maven/maven-packager-utils/2.3/maven-packager-utils-2.3.pom