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" {

func (c *ConfigWriter) PrintRouteDump(filter RouteFilter, outputFormat string) error {
	_, routes, err := c.setupRouteConfigWriter()
	if err != nil {
		return err
	}
	filteredRoutes := make(proto.MessageSlice, 0, len(routes))
	for _, route := range routes {
		if filter.Verify(route) {
			filteredRoutes = append(filteredRoutes, route)
		}
	}
	out, err := json.MarshalIndent(filteredRoutes, "", "    ")