/usr/ is in libprotobuf-java 2.4.1-1ubuntu2.
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/usr/share/
/usr/share/maven-repo/
/usr/share/maven-repo/com/
/usr/share/maven-repo/com/google/
/usr/share/maven-repo/com/google/protobuf/
/usr/share/maven-repo/com/google/protobuf/protobuf-java/
/usr/share/maven-repo/com/google/protobuf/protobuf-java/2.4.1/
/usr/share/maven-repo/com/google/protobuf/protobuf-java/2.4.1/protobuf-java-2.4.1.pom
/usr/share/maven-repo/com/google/protobuf/protobuf-java/debian/
/usr/share/maven-repo/com/google/protobuf/protobuf-java/debian/protobuf-java-debian.pom
/usr/share/java/
/usr/share/java/protobuf-java-2.4.1.jar
/usr/share/doc/
/usr/share/doc/libprotobuf-java/
/usr/share/doc/libprotobuf-java/copyright
/usr/share/doc/libprotobuf-java/changelog.Debian.gz
/usr/share/maven-repo/com/google/protobuf/protobuf-java/2.4.1/protobuf-java-2.4.1.jar
/usr/share/maven-repo/com/google/protobuf/protobuf-java/debian/protobuf-java-debian.jar
/usr/share/java/protobuf-java.jar