docs: private void computeEvents(
        KeyspaceMetadata oldKeyspace,
        KeyspaceMetadata newKeyspace,
        ImmutableList.Builder<Object> events) {
      if (oldKeyspace == null) {
        events.add(KeyspaceChangeEvent.created(newKeyspace));
      } else {
        if (!shallowEquals(oldKeyspace, newKeyspace)) {
          events.add(KeyspaceChangeEvent.updated(oldKeyspace, newKeyspace));
        }
        computeChildEvents(oldKeyspace, newKeyspace, events);
      }
    }