return nil
}

func retrieveSortedEndpointClusterSlice(ec []EndpointCluster) []EndpointCluster {
	sort.Slice(ec, func(i, j int) bool {
		if ec[i].address == ec[j].address {
			if ec[i].port == ec[j].port {
				return ec[i].cluster < ec[j].cluster
			}
			return ec[i].port < ec[j].port
		}
		return ec[i].address < ec[j].address
	})
	return ec
}

func printFailedOutlierCheck(b bool) string {
	if b {

# limitations under the License.

set -e

ec=0
for fn in "$@"; do
  if ! grep -L -q -e "Apache License, Version 2" "${fn}"; then
    echo "Missing license: ${fn}"
    ec=1
  fi

  if ! grep -L -q -e "Copyright" "${fn}"; then
    echo "Missing copyright: ${fn}"
    ec=1
  fi
done