key map value of enum

Issue Description

I want to try creating an Event enum to use for the registering Event method, but enum doesn't seem to support key table values


If it can be completed normally like this
but

If you define a variable or parameter as an enumeration, lls will not know what value it has
What I want is to use extend like class, like --- @ class Event: {functionName: string,...}
but enum does not seem to support extend

Additional Notes

No response

No source files or tests are named. Start by reproducing the Event enum, registering Event method, and enum-typed variable or parameter examples in LuaLS, then inspect the enum type-handling entry points. Done should be defined as a documented behavior for exposing key-table values and supporting the requested Event shape, with tests covering the examples.