* fixUnusedIdentifier: Remove arguments corresponding to unused parameters
* Update API (#24966)
* Fix handling of deletions: Make a list of things to delete and don't delete until the end
* Remove dummy test
* Bug fixes
* Update API (#24966)
* Move code to textChanges
* fixUnusedIdentifier: Don't remove parameter in override or non-last parameter in callback
* Only allow removing last parameters; don't care about contextual type
* 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