/usr/share/maven-repo/io/ is in libreactor-core-java 2.0.8-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/io/projectreactor/
/usr/share/maven-repo/io/projectreactor/reactor-bus/
/usr/share/maven-repo/io/projectreactor/reactor-bus/2.0.8.RELEASE/
/usr/share/maven-repo/io/projectreactor/reactor-bus/2.0.8.RELEASE/reactor-bus-2.0.8.RELEASE.jar
/usr/share/maven-repo/io/projectreactor/reactor-bus/2.0.8.RELEASE/reactor-bus-2.0.8.RELEASE.pom
/usr/share/maven-repo/io/projectreactor/reactor-bus/debian/
/usr/share/maven-repo/io/projectreactor/reactor-bus/debian/reactor-bus-debian.jar
/usr/share/maven-repo/io/projectreactor/reactor-bus/debian/reactor-bus-debian.pom
/usr/share/maven-repo/io/projectreactor/reactor-core/
/usr/share/maven-repo/io/projectreactor/reactor-core/2.0.8.RELEASE/
/usr/share/maven-repo/io/projectreactor/reactor-core/2.0.8.RELEASE/reactor-core-2.0.8.RELEASE.jar
/usr/share/maven-repo/io/projectreactor/reactor-core/2.0.8.RELEASE/reactor-core-2.0.8.RELEASE.pom
/usr/share/maven-repo/io/projectreactor/reactor-core/debian/
/usr/share/maven-repo/io/projectreactor/reactor-core/debian/reactor-core-debian.jar
/usr/share/maven-repo/io/projectreactor/reactor-core/debian/reactor-core-debian.pom
/usr/share/maven-repo/io/projectreactor/reactor-net/
/usr/share/maven-repo/io/projectreactor/reactor-net/2.0.8.RELEASE/
/usr/share/maven-repo/io/projectreactor/reactor-net/2.0.8.RELEASE/reactor-net-2.0.8.RELEASE.jar
/usr/share/maven-repo/io/projectreactor/reactor-net/2.0.8.RELEASE/reactor-net-2.0.8.RELEASE.pom
/usr/share/maven-repo/io/projectreactor/reactor-net/debian/
/usr/share/maven-repo/io/projectreactor/reactor-net/debian/reactor-net-debian.jar
/usr/share/maven-repo/io/projectreactor/reactor-net/debian/reactor-net-debian.pom
/usr/share/maven-repo/io/projectreactor/reactor-stream/
/usr/share/maven-repo/io/projectreactor/reactor-stream/2.0.8.RELEASE/
/usr/share/maven-repo/io/projectreactor/reactor-stream/2.0.8.RELEASE/reactor-stream-2.0.8.RELEASE.jar
/usr/share/maven-repo/io/projectreactor/reactor-stream/2.0.8.RELEASE/reactor-stream-2.0.8.RELEASE.pom
/usr/share/maven-repo/io/projectreactor/reactor-stream/debian/
/usr/share/maven-repo/io/projectreactor/reactor-stream/debian/reactor-stream-debian.jar
/usr/share/maven-repo/io/projectreactor/reactor-stream/debian/reactor-stream-debian.pom