/usr/lib/ is in libreoffice-script-provider-js 1:4.2.3~rc3-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/libreoffice/
/usr/lib/libreoffice/program/
/usr/lib/libreoffice/program/classes/
/usr/lib/libreoffice/program/classes/js.jar
/usr/lib/libreoffice/program/classes/ScriptProviderForJavaScript.jar
/usr/lib/libreoffice/program/services/
/usr/lib/libreoffice/program/services/scriptproviderforjavascript.rdb
/usr/lib/libreoffice/share/
/usr/lib/libreoffice/share/Scripts/
/usr/lib/libreoffice/share/Scripts/javascript/
/usr/lib/libreoffice/share/Scripts/javascript/HelloWorld/
/usr/lib/libreoffice/share/Scripts/javascript/HelloWorld/parcel-descriptor.xml
/usr/lib/libreoffice/share/Scripts/javascript/HelloWorld/helloworld.js
/usr/lib/libreoffice/share/Scripts/javascript/Highlight/
/usr/lib/libreoffice/share/Scripts/javascript/Highlight/parcel-descriptor.xml
/usr/lib/libreoffice/share/Scripts/javascript/Highlight/ShowDialog.js
/usr/lib/libreoffice/share/Scripts/javascript/Highlight/ButtonPressHandler.js
/usr/lib/libreoffice/share/Scripts/javascript/ExportSheetsToHTML/
/usr/lib/libreoffice/share/Scripts/javascript/ExportSheetsToHTML/parcel-descriptor.xml
/usr/lib/libreoffice/share/Scripts/javascript/ExportSheetsToHTML/exportsheetstohtml.js