<%= render (blacklight_config&.view_config(document_index_view_type)&.facet_group_component || Blacklight::Response::FacetGroupComponent).new(
  response: @response,
  id: groupname,
  fields: facet_field_names(groupname),
  title: groupname.present? ? t("blacklight.search.facets-#{groupname}.title") : t('blacklight.search.facets.title')) %>