/usr/ is in epubcheck 4.0.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/bin/
/usr/share/
/usr/share/doc/
/usr/share/doc/epubcheck/
/usr/share/doc/epubcheck/changelog.Debian.gz
/usr/share/doc/epubcheck/copyright
/usr/share/java/
/usr/share/java/epubcheck-4.0.2.jar
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/epubcheck.1.gz
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/idpf/
/usr/share/maven-repo/org/idpf/epubcheck/
/usr/share/maven-repo/org/idpf/epubcheck/4.0.2/
/usr/share/maven-repo/org/idpf/epubcheck/4.0.2/epubcheck-4.0.2.pom
/usr/share/maven-repo/org/idpf/epubcheck/debian/
/usr/share/maven-repo/org/idpf/epubcheck/debian/epubcheck-debian.pom
/usr/bin/epubcheck
/usr/share/java/epubcheck.jar
/usr/share/maven-repo/org/idpf/epubcheck/4.0.2/epubcheck-4.0.2.jar
/usr/share/maven-repo/org/idpf/epubcheck/debian/epubcheck-debian.jar