/usr/ is in libtrident-java 7.3+dfsg3-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/com/github/
/usr/share/maven-repo/com/github/insubstantial/
/usr/share/
/usr/share/doc/
/usr/share/doc/libtrident-java/
/usr/share/doc/libtrident-java/changelog.Debian.gz
/usr/share/doc/libtrident-java/copyright
/usr/share/java/
/usr/share/java/trident-7.3.jar
/usr/share/maven-repo/
/usr/share/maven-repo/com/
/usr/share/maven-repo/com/github/insubstantial/trident/
/usr/share/maven-repo/com/github/insubstantial/trident/7.3/
/usr/share/maven-repo/com/github/insubstantial/trident/7.3/trident-7.3.pom
/usr/share/maven-repo/com/github/insubstantial/trident/debian/
/usr/share/maven-repo/com/github/insubstantial/trident/debian/trident-debian.pom
/usr/share/java/trident.jar
/usr/share/maven-repo/com/github/insubstantial/trident/7.3/trident-7.3.jar
/usr/share/maven-repo/com/github/insubstantial/trident/debian/trident-debian.jar