* When --noUnusedLocals/--noUnusedParameters is disabled, add suggestions instead of errors
* Improve performance: do not add unused suggestion diagnostics unless asking for a suggestion
* Add "unused" flag to diagnostics
* Code review
* reportsUnused -> reportsUnnecessary
* Fix test
* Support a "getCombinedCodeFix" service
* Rename things
* Code review
* Rename things
* Update API baselines
* CodeActionAll -> CombinedCodeActions
* Take a `scope` parameter instead of `fileName` for flexibility
* Renames and bugfixes
* Make API changes internal
* Code review
* Update comment