MPS-20879 Either do not log this message or display additional warning in UI: "no reason to keep imports to self": report self import as error (would be better to get warning, but it's too much work to refactor ModelValidator)
MPS-20872 Highlight usages for parameter/ variable declaration is not working: refactor FindUsages to resemble OOP, index local references as it's the primary mechanism for find usages to detect matches.
MPS-19591 Find usages for a language doesn't look into generator modules
MPS-20879 Either do not log this message or display additional warning in UI: "no reason to keep imports to self": do not add self import in java classes stub model