// - byte: base64 encoded binary data
	// - password: any kind of string
	// - date: a date string like "2006-01-02" as defined by full-date in RFC3339
	// - duration: a duration string like "22 ns" as parsed by Golang time.ParseDuration or compatible with Scala duration format
	// - datetime: a date time string like "2014-12-15T19:30:20.000Z" as defined by date-time in RFC3339.
	Format string `json:"format,omitempty" protobuf:"bytes,6,opt,name=format"`

			},
			Async: true,
		},
		func(s *State, args ...string) (WaitFunc, error) {
			if len(args) != 1 {
				return nil, ErrUsage
			}

			d, err := time.ParseDuration(args[0])
			if err != nil {
				return nil, err
			}

			timer := time.NewTimer(d)
			wait := func(s *State) (stdout, stderr string, err error) {
				ctx := s.Context()
				select {

	}
	tcpProxy := &tcp.TcpProxy{
		StatPrefix:       statPrefix,
		ClusterSpecifier: &tcp.TcpProxy_Cluster{Cluster: fcc.clusterName},
		IdleTimeout:      parseDuration(lb.node.Metadata.IdleTimeout),
	}
	tcpFilter := setAccessLogAndBuildTCPFilter(lb.push, lb.node, tcpProxy, istionetworking.ListenerClassSidecarInbound, fcc.policyService)

		if firstStmt == nil {
			firstStmt = stmt
		}
		if len(parts) >= 3 {
			switch parts[0] {
			case "PANIC":
				stmt.panic = parts[1]
				parts = parts[2:]
			case "WAIT":
				wait, err := time.ParseDuration(parts[1])
				if err != nil {
					return nil, errf("expected section after WAIT to be a duration, got %q %v", parts[1], err)
				}
				parts = parts[2:]
				stmt.wait = wait
			}
		}
		cmd := parts[0]

  // - password: any kind of string
  // - date: a date string like "2006-01-02" as defined by full-date in RFC3339
  // - duration: a duration string like "22 ns" as parsed by Golang time.ParseDuration or compatible with Scala duration format
  // - datetime: a date time string like "2014-12-15T19:30:20.000Z" as defined by date-time in RFC3339.
  optional string format = 6;

  optional string title = 7;

  // - password: any kind of string
  // - date: a date string like "2006-01-02" as defined by full-date in RFC3339
  // - duration: a duration string like "22 ns" as parsed by Golang time.ParseDuration or compatible with Scala duration format
  // - datetime: a date time string like "2014-12-15T19:30:20.000Z" as defined by date-time in RFC3339.
  optional string format = 6;

  optional string title = 7;

	}
	in.Close()

	b := <-outc
	if !bytes.Equal(b, []byte(msg)) {
		t.Fatalf("read %q from stdout pipe; want %q", b, msg)
	}
}

func cmdHang(args ...string) {
	sleep, err := time.ParseDuration(args[0])
	if err != nil {
		panic(err)
	}

	fs := flag.NewFlagSet("hang", flag.ExitOnError)
	exitOnInterrupt := fs.Bool("interrupt", false, "if true, commands should exit 0 on os.Interrupt")