semantic: referenced in `export type {}` but `ReferenceFlag` is a value

Please see: https://oxc-project.github.io/oxc/playground/?code=3YCAAICjgICAgICAgIC6nsrEgtebpnCnOkfmyvXpODDg8TpqyEqtH7oZDFcLulh6zbV%2Fe74ogA%3D%3D

Expect `ReferenceFlag` to be the type

