// - 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")