Presumably such things would be expressed in the source and documentation, and flagged by the IDE. The proposed enhancement to type descriptors provides a way

Presumably such things would be expressed in the source and documentation, and flagged by the IDE. The proposed enhancement to type descriptors provides a way of retaining that information so it can be leveraged by the VM. Alternatively, it could be extracted by the IDE, compiler, or other tooling when only the compiled class files are available.