node-es-abstract 1.18.0~next~2+~cs13.20.17-1 (amd64 binary) in ubuntu hirsute

 When different versions of the spec conflict, the default export will be the
 latest version of the abstract operation.
 .
 All abstract operations will also be available under an es5/es2015/es2016
 entry point, and exported property, if you require a specific version.
 .
 Node.js is an event-based server-side JavaScript engine.