/usr/ is in antlr4 4.5.3-2.
This file is owned by root:root, with mode 0o755.
..
/usr/bin/
/usr/bin/antlr4
/usr/share/
/usr/share/antlr4/
/usr/share/antlr4/grun
/usr/share/bash-completion/
/usr/share/bash-completion/completions/
/usr/share/bash-completion/completions/antlr4
/usr/share/doc/
/usr/share/doc/antlr4/
/usr/share/doc/antlr4/copyright
/usr/share/java/
/usr/share/java/antlr4.jar
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/antlr4.1.gz
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/antlr/
/usr/share/maven-repo/org/antlr/antlr4/
/usr/share/maven-repo/org/antlr/antlr4/4.5.4-SNAPSHOT/
/usr/share/maven-repo/org/antlr/antlr4/4.5.4-SNAPSHOT/antlr4-4.5.4-SNAPSHOT.pom
/usr/share/maven-repo/org/antlr/antlr4/debian/
/usr/share/maven-repo/org/antlr/antlr4/debian/antlr4-debian.pom
/usr/share/doc/antlr4/changelog.Debian.gz
/usr/share/java/antlr4-4.5.4-SNAPSHOT.jar
/usr/share/maven-repo/org/antlr/antlr4/4.5.4-SNAPSHOT/antlr4-4.5.4-SNAPSHOT.jar
/usr/share/maven-repo/org/antlr/antlr4/debian/antlr4-debian.jar