docs: def zones_list_by_resource_group(resource_group, top=None, **kwargs):
      '''
      .. versionadded:: Fluorine
  
      Lists the DNS zones in a resource group.
  
      :param resource_group: The name of the resource group.
  
      :param top: The maximum number of DNS zones to return. If not specified,
      returns up to 100 zones.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt-call azurearm_dns.zones_list_by_resource_group testgroup
  
      '''
      result = {}
      dnsconn = __utils__['azurearm.get_client']('dns', **kwargs)
      try:
          zones = __utils__['azurearm.paged_object_to_list'](
              dnsconn.zones.list_by_resource_group(
                  resource_group_name=resource_group,
                  top=top
              )
          )
  
          for zone in zones:
              result[zone['name']] = zone
      except CloudError as exc:
          __utils__['azurearm.log_cloud_error']('dns', str(exc), **kwargs)
          result = {'error': str(exc)}
  
      return result