# clean the previous Istio iptables chains.
    "${ISTIO_BIN_BASE}/pilot-agent" istio-clean-iptables
  fi
  exit 0
fi

# Init option will only initialize iptables. set ISTIO_CUSTOM_IP_TABLES to true if you would like to ignore this step
if [ "${ISTIO_CUSTOM_IP_TABLES}" != "true" ] ; then
    if [[ ${1-} == "init" || ${1-} == "-p" ]] ; then
      # clean the previous Istio iptables chains. This part is different from the init image mode,

    // TODO: This exists because we detect all available native tool chains on a system (clang, gcc, swiftc, msvc).
    //
    // Many of our old tests assume that available tool chains can compile many/most languages, so they do not try to
    // restrict the required set of tool chains.
    //
    // The swiftc tool chain can build _only_ Swift, so tests that expect to use the swiftc tool chain properly annotate

}

func (dump *IPTablesDump) GetChain(table iptables.Table, chain iptables.Chain) (*Chain, error) {
	t, err := dump.GetTable(table)
	if err != nil {
		return nil, err
	}
	for i := range t.Chains {
		if t.Chains[i].Name == chain {
			return &t.Chains[i], nil
		}
	}
	return nil, fmt.Errorf("no such chain %q", chain)
}

apiVersion: release-notes/v2
kind: bug-fix
area: traffic-management

releaseNotes:
- |

		}
		if !fullWildcardFound {
			chain.sniHosts = append([]string{}, chain.sniHosts...)
			sort.Stable(sort.StringSlice(chain.sniHosts))
			match.ServerNames = chain.sniHosts
		}
	}
	if len(chain.destinationCIDRs) > 0 {
		chain.destinationCIDRs = append([]string{}, chain.destinationCIDRs...)
		sort.Stable(sort.StringSlice(chain.destinationCIDRs))
		for _, d := range chain.destinationCIDRs {

				chain = fc
			}
		}
		if chain == nil {
			t.Fatalf("Failed to find http_connection_manager")
		}
		if len(chain.Filters) != 1 {
			t.Fatalf("Expected 1 filter in first filter chain, got %d", len(l.FilterChains))
		}
		filter := chain.Filters[0]
		if filter.Name != wellknown.HTTPConnectionManager {
			t.Fatalf("Expected HTTP connection, found %v", chain.Filters[0].Name)
		}

rootProject.name = 'tool-chains'...

	// present.
	TotalMatch bool
}

type FilterChainTest struct {
	// Match a filter chain by name
	Name string
	// Match filter chain by 'type'. This can be important since Name is currently not unique
	Type FilterChainType
	// Port the filter chain matches
	Port uint32

	NetworkFilters []string
	HTTPFilters    []string

				// If we need to sniff, insert two chains and the protocol detector
				chains = append(chains, tcpChain, httpChain)
				portMapper.Map[portString] = match.ToMatcher(match.NewAppProtocol(match.ProtocolMatch{
					TCP:  match.ToChain(tcpName),
					HTTP: match.ToChain(httpName),
				}))
			} else if port.Protocol.IsHTTP() {
				// Otherwise, just insert HTTP/TCP
				chains = append(chains, httpChain)

         * @param transforms The remaining transforms which may be prepended to {@code chain} to produce a solution.
         */
        public ChainState(@Nullable ChainNode chain, ImmutableAttributes requested, ImmutableFilteredList<TransformRegistration> transforms) {
            this.chain = chain;
            this.requested = requested;