/usr/share/maven-repo/ is in libmaven-shared-utils-java 3.1.0-2.
This file is owned by root:root, with mode 0o755.
..
/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-shared-utils/
/usr/share/maven-repo/org/apache/maven/shared/maven-shared-utils/3.1.0/
/usr/share/maven-repo/org/apache/maven/shared/maven-shared-utils/3.1.0/maven-shared-utils-3.1.0.jar
/usr/share/maven-repo/org/apache/maven/shared/maven-shared-utils/3.1.0/maven-shared-utils-3.1.0.pom
/usr/share/maven-repo/org/apache/maven/shared/maven-shared-utils/debian/
/usr/share/maven-repo/org/apache/maven/shared/maven-shared-utils/debian/maven-shared-utils-debian.jar
/usr/share/maven-repo/org/apache/maven/shared/maven-shared-utils/debian/maven-shared-utils-debian.pom