message: Improve type docs
diff: @@ -782,6 +782,10 @@ export default class BaseServer<
  callbacks: ActionCallbacks<A, D, H>
  ): void
  + /**
  + * @param actionCreator Action creator function.
  + * @param callbacks Callbacks for action created by creator.
  + */
  type<AC extends ActionCreator, D extends object = {}> (
  actionCreator: AC,
  callbacks: ActionCallbacks<ReturnType<AC>, D, H>
  