Provides class interop and type marshalling between Java and JavaScript.
- ☑ Java -> ES6 proxy class-gen
- ☑ JS -> Java method calls
- ☑ class inheritance chain
- ☐ method args marshalling
- ☐ calling method overloads
- ☐ calling constructor overloads
- ☐ overriding Java methods from JavaScript
- ☐ construct JS-created Java class via reflection