String groupId = null;
        final String modelId = result.getModelIds().get(modelIndex);

        if (!modelId.isEmpty()) {
            final Model model = result.getRawModel(modelId).orElseThrow();
            groupId = model.getGroupId() != null ? model.getGroupId() : inheritedGroupId(result, modelIndex + 1);
        }

        return groupId;
    }