text: """
  Built-in, globally-available admin actions.
  """
  
  from django.contrib import messages
  from django.contrib.admin import helpers
  from django.contrib.admin.utils import model_ngettext
  from django.core.exceptions import PermissionDenied
  from django.template.response import TemplateResponse
  from django.utils.translation import gettext as _, gettext_lazy
  
  
  def delete_selected(modeladmin, request, queryset):
      """
      Default action which deletes the selected objects.
  
      This action first displays a confirmation page which shows all the
      deletable objects, or, if the user has no permission one of the related
      childs (foreignkeys), a "permission denied" message.
  
      Next, it deletes all selected objects and redirects back to the change list.
      """
      opts = modeladmin.model._meta
      app_label = opts.app_label
  
      # Populate deletable_objects, a data structure of all related objects that
      # will also be deleted.
      deletable_objects, model_count, perms_needed, protected = modeladmin.get_deleted_objects(queryset, request)
  
      # The user has already confirmed the deletion.
      # Do the deletion and return None to display the change list view again.
      if request.POST.get('post') and not protected:
          if perms_needed:
              raise PermissionDenied
          n = queryset.count()
          if n:
              for obj in queryset:
                  obj_display = str(obj)
                  modeladmin.log_deletion(request, obj, obj_display)
              modeladmin.delete_queryset(request, queryset)
              modeladmin.message_user(request, _("Successfully deleted %(count)d %(items)s.") % {
                  "count": n, "items": model_ngettext(modeladmin.opts, n)
              }, messages.SUCCESS)
          # Return None to display the change list page again.
          return None
  
      objects_name = model_ngettext(queryset)
  
      if perms_needed or protected:
          title = _("Cannot delete %(name)s") % {"name": objects_name}
      else:
          title = _("Are you sure?")
  
      context = {
          **modeladmin.admin_site.each_context(request),
          'title': title,
          'objects_name': str(objects_name),
          'deletable_objects': [deletable_objects],
          'model_count': dict(model_count).items(),
          'queryset': queryset,
          'perms_lacking': perms_needed,
          'protected': protected,
          'opts': opts,
          'action_checkbox_name': helpers.ACTION_CHECKBOX_NAME,
          'media': modeladmin.media,
      }
  
      request.current_app = modeladmin.admin_site.name
  
      # Display the confirmation page
      return TemplateResponse(request, modeladmin.delete_selected_confirmation_template or [
          "admin/%s/%s/delete_selected_confirmation.html" % (app_label, opts.model_name),
          "admin/%s/delete_selected_confirmation.html" % app_label,
          "admin/delete_selected_confirmation.html"
      ], context)
  
  
  delete_selected.allowed_permissions = ('delete',)
  delete_selected.short_description = gettext_lazy("Delete selected %(verbose_name_plural)s")
  