libjnr-unixsocket-java 0.18-3 (amd64 binary) in ubuntu bionic

 Java Native Runtime (JNR) is a collection of Java libraries to make
 interfacing with OS-level features easier. JNR uses an alternate
 method to JNI or JNA to achieve programming simplicity while still
 retaining performance.
 .
 The jnr-unixsocket package provides access in Java to the unix domain
 socket versions of socket(), listen(), bind(), accept(), connect() and
 others via the native OS libraries.