code: def get_default_config_help(self):
          
          config = super(LibratoHandler, self).get_default_config_help()
  
          config.update({
              'user': 'Librato username',
              'apikey': 'Librato API key',
              'apply_metric_prefix': 'Allow diamond to apply metric prefix',
              'queue_max_size': 'Max measurements to queue before submitting',
              'queue_max_interval':
                  'Max seconds to wait before submitting. For best behavior, '
                  'be sure your highest collector poll interval is lower than '
                  'or equal to the queue_max_interval setting.',
              'include_filters':
                  'A list of regex patterns. Only measurements whose path '
                  'matches a filter will be submitted. Useful for limiting '
                  'usage to *only* desired measurements, e.g. '
                  '`"^diskspace\..*\.byte_avail$", "^loadavg\.01"` or '
                  '`"^sockets\.",` (note trailing comma to indicate a list)',
          })
  
          return config
docs: Returns the help text for the configuration options for this handler