OptionalcommandsIf the user accepts the code fix, the editor should send the action back in a applyAction request.
This allows the language service to have side effects (e.g. installing dependencies) upon a code fix.
Description of the code action to display in the UI of the editor
OptionalfixOptionalfixIf present, one may call 'getCombinedCodeFix' with this fixId. This may be omitted to indicate that the code fix can't be applied in a group.
Short name to identify the fix, for use by telemetry.
Text changes to apply to each file as part of the code action