/usr/share/maven-repo/com/google/guava/ is in libguava-java 15.0-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/com/google/guava/guava/
/usr/share/maven-repo/com/google/guava/guava-parent/
/usr/share/maven-repo/com/google/guava/guava-parent/15.0/
/usr/share/maven-repo/com/google/guava/guava-parent/15.0/guava-parent-15.0.pom
/usr/share/maven-repo/com/google/guava/guava-parent/debian/
/usr/share/maven-repo/com/google/guava/guava-parent/debian/guava-parent-debian.pom
/usr/share/maven-repo/com/google/guava/guava/15.0/
/usr/share/maven-repo/com/google/guava/guava/15.0/guava-15.0.jar
/usr/share/maven-repo/com/google/guava/guava/15.0/guava-15.0.pom
/usr/share/maven-repo/com/google/guava/guava/debian/
/usr/share/maven-repo/com/google/guava/guava/debian/guava-debian.jar
/usr/share/maven-repo/com/google/guava/guava/debian/guava-debian.pom