/usr/share/maven-repo/ is in libxstream-java 1.4.9-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/com/
/usr/share/maven-repo/com/thoughtworks/
/usr/share/maven-repo/com/thoughtworks/xstream/
/usr/share/maven-repo/com/thoughtworks/xstream/xstream/
/usr/share/maven-repo/com/thoughtworks/xstream/xstream-parent/
/usr/share/maven-repo/com/thoughtworks/xstream/xstream-parent/1.4.9/
/usr/share/maven-repo/com/thoughtworks/xstream/xstream-parent/1.4.9/xstream-parent-1.4.9.pom
/usr/share/maven-repo/com/thoughtworks/xstream/xstream-parent/debian/
/usr/share/maven-repo/com/thoughtworks/xstream/xstream-parent/debian/xstream-parent-debian.pom
/usr/share/maven-repo/com/thoughtworks/xstream/xstream/1.4.9/
/usr/share/maven-repo/com/thoughtworks/xstream/xstream/1.4.9/xstream-1.4.9.jar
/usr/share/maven-repo/com/thoughtworks/xstream/xstream/1.4.9/xstream-1.4.9.pom
/usr/share/maven-repo/com/thoughtworks/xstream/xstream/debian/
/usr/share/maven-repo/com/thoughtworks/xstream/xstream/debian/xstream-debian.jar
/usr/share/maven-repo/com/thoughtworks/xstream/xstream/debian/xstream-debian.pom