/usr/share/doc/openjdk-11-jre-headless/demo/nbproject/scripting/ is in openjdk-11-demo 10.0.1+10-3ubuntu1.
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/usr/share/doc/openjdk-11-jre-headless/demo/nbproject/scripting/jconsole-plugin/
/usr/share/doc/openjdk-11-jre-headless/demo/nbproject/scripting/jconsole-plugin/build.properties
/usr/share/doc/openjdk-11-jre-headless/demo/nbproject/scripting/jconsole-plugin/build.xml
/usr/share/doc/openjdk-11-jre-headless/demo/nbproject/scripting/jconsole-plugin/nbproject/
/usr/share/doc/openjdk-11-jre-headless/demo/nbproject/scripting/jconsole-plugin/nbproject/file-targets.xml
/usr/share/doc/openjdk-11-jre-headless/demo/nbproject/scripting/jconsole-plugin/nbproject/jdk.xml
/usr/share/doc/openjdk-11-jre-headless/demo/nbproject/scripting/jconsole-plugin/nbproject/netbeans-targets.xml
/usr/share/doc/openjdk-11-jre-headless/demo/nbproject/scripting/jconsole-plugin/nbproject/project.xml