def get_default_config_help(self):
        """
        Returns the help text for the configuration options for this handler
        """
        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

        Returns the help text for the configuration options for this handler
        
src/diamond/handler/libratohandler.py