/usr/ is in libjnr-ffi-java 1.0.10-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/java/
/usr/share/java/jnr-ffi.jar
/usr/share/maven-repo/
/usr/share/maven-repo/com/
/usr/share/maven-repo/com/github/
/usr/share/maven-repo/com/github/jnr/
/usr/share/maven-repo/com/github/jnr/jnr-ffi/
/usr/share/maven-repo/com/github/jnr/jnr-ffi/debian/
/usr/share/maven-repo/com/github/jnr/jnr-ffi/debian/jnr-ffi-debian.pom
/usr/share/maven-repo/com/github/jnr/jnr-ffi/1.0.10/
/usr/share/maven-repo/com/github/jnr/jnr-ffi/1.0.10/jnr-ffi-1.0.10.pom
/usr/share/doc/
/usr/share/doc/libjnr-ffi-java/
/usr/share/doc/libjnr-ffi-java/copyright
/usr/share/doc/libjnr-ffi-java/README.md
/usr/share/doc/libjnr-ffi-java/changelog.Debian.gz
/usr/share/java/jnr-ffi-1.0.10.jar
/usr/share/maven-repo/com/github/jnr/jnr-ffi/debian/jnr-ffi-debian.jar
/usr/share/maven-repo/com/github/jnr/jnr-ffi/1.0.10/jnr-ffi-1.0.10.jar