Command that is ued to display the documentation to the user.
The title of this documentation code action is taken from Command.title
The kind of the code action being documented.
If the kind is generic, such as CodeActionKind.Refactor, the documentation will be shown whenever any
refactorings are returned. If the kind if more specific, such as CodeActionKind.RefactorExtract, the
documentation will only be shown when extract refactoring code actions are returned.
Documentation for a class of code actions.