}
		}
	}

	w := new(tabwriter.Writer).Init(writer, 0, 8, 3, ' ', 0)
	if _, err := fmt.Fprint(w, buf.String()); err != nil {
		log.Errorf("failed to print output: %s", err)
	}
	_ = w.Flush()

			matches := newMatcher(fc, l)
			destination := getFilterType(fc.GetFilters())
			for _, match := range matches {
				fmt.Fprintf(w, "%v\t%v\t%v\t%v\n", lname, name, match, destination)
			}
		}
	}
	return w.Flush()
}

func newMatcher(fc *listener.FilterChain, l *listener.Listener) []string {
	if l.FilterChainMatcher == nil {
		return []string{getMatches(fc.GetFilterChainMatch())}
	}