Metadata about the type of code actions that a CodeActionProvider providers
CodeActionKinds that this provider may return.
The list of kinds may be generic, such as CodeActionKind.Refactor, or the provider may list our every specific kind they provide, such as CodeActionKind.Refactor.Extract.append('function)`
CodeActionKind.Refactor
CodeActionKind.Refactor.Extract.append('function
Metadata about the type of code actions that a CodeActionProvider providers