docs: def _convert_xml_to_service_stats(response):
      '''
      <?xml version="1.0" encoding="utf-8"?>
      <StorageServiceStats>
        <GeoReplication>      
            <Status>live|bootstrap|unavailable</Status>
            <LastSyncTime>sync-time|<empty></LastSyncTime>
        </GeoReplication>
      </StorageServiceStats>
      '''
      if response is None or response.body is None:
          return None
  
      service_stats_element = ETree.fromstring(response.body)
  
      geo_replication_element = service_stats_element.find('GeoReplication')
  
      geo_replication = GeoReplication()
      geo_replication.status = geo_replication_element.find('Status').text
      geo_replication.last_sync_time = parser.parse(geo_replication_element.find('LastSyncTime').text)
  
      service_stats = ServiceStats()
      service_stats.geo_replication = geo_replication
      return service_stats