docs: private static Set<String> getNonIgnoredChildTypes(ImmutableManagementResourceRegistration mrr) {
          final Set<String> result = new LinkedHashSet<>();
          for (PathElement pe : mrr.getChildAddresses(PathAddress.EMPTY_ADDRESS)) {
              ImmutableManagementResourceRegistration childMrr = mrr.getSubModel(PathAddress.pathAddress(pe));
              if (childMrr != null && !childMrr.isRemote() && !childMrr.isRuntimeOnly()) {
                  result.add(pe.getKey());
              }
          }
          return result;
      }