if c.configDump == nil {
		return fmt.Errorf("config writer has not been primed")
	}
	dump, err := c.retrieveSortedEndpointsSlice(filter)
	if err != nil {
		return err
	}
	marshaller := make(proto.MessageSlice, 0, len(dump))
	for _, eds := range dump {
		marshaller = append(marshaller, eds)
	}
	out, err := json.MarshalIndent(marshaller, "", "    ")
	if err != nil {
		return err
	}
	if outputFormat == "yaml" {