code: def dumps(self, cnf, **kwargs):
          
          kwargs = anyconfig.utils.filter_options(self._dump_opts, kwargs)
          return self.dump_to_string(cnf, **kwargs)
docs: Dump config 'cnf' to a string.
  
          :param cnf: Configuration data to dump
          :param kwargs: optional keyword parameters to be sanitized :: dict
  
          :return: string represents the configuration