value = "ja-JP";
        assertEquals("ja", systemHelper.normalizeLang(value));

        value = "ja_JP";
        assertEquals("ja", systemHelper.normalizeLang(value));

        value = "ja_JP_AAA";
        assertEquals("ja", systemHelper.normalizeLang(value));

        value = "zh";
        assertEquals("zh", systemHelper.normalizeLang(value));

        value = "zh-cn";

        final Object value = document.get(fieldName);
        if (value instanceof String) {
            return new String[] { value.toString() };
        }
        if (value instanceof String[]) {
            return (String[]) value;
        }
        if (value instanceof List) {
            return ((List<?>) value).stream().map(Object::toString).toArray(n -> new String[n]);
        }

    }

    public void setName(String value) {
        registerModifiedProperty("name");
        this.name = value;
    }

    public String getSessionId() {
        checkSpecifiedProperty("sessionId");
        return convertEmptyToNull(sessionId);
    }

    public void setSessionId(String value) {
        registerModifiedProperty("sessionId");
        this.sessionId = value;
    }

	for mv = range decoder.Stream() {
		if mv.Value != expected[counter].Value {
			t.Fatalf("got %v, expected: %v", mv.Value, expected[counter])
		}
		if mv.ValueType != expected[counter].ValueType {
			t.Fatalf("got %v value type, expected: %v value type", mv.ValueType, expected[counter].ValueType)
		}
		counter++
		t.Logf("depth=%d offset=%d len=%d (%v)", mv.Depth, mv.Offset, mv.Length, mv.Value)
	}

func ISO8601Format(t time.Time) string {
	value := t.Format(iso8601TimeFormat)
	if len(value) < len(iso8601TimeFormat) {
		value = t.Format(iso8601TimeFormat[:len(iso8601TimeFormat)-1])
		// Pad necessary zeroes to full-fill the iso8601TimeFormat
		return value + strings.Repeat("0", (len(iso8601TimeFormat)-1)-len(value)) + "Z"
	}
	return value
}

// ISO8601Parse parses ISO8601 date string

s","value":""},{"key":"sasl_username","value":""},{"key":"sasl_password","value":""},{"key":"sasl_mechanism","value":"plain"},{"key":"client_tls_cert","value":""},{"key":"client_tls_key","value":""},{"key":"tls_client_auth","value":"0"},{"key":"sasl","value":"off"},{"key":"tls","value":"off"},{"key":"tls_skip_verify","value":"off"},{"key":"queue_limit","value":"0"},{"key":"queue_dir","value":""},{"key":"version","value":""},{"key":"batch_size","value":"0"},{"key":"compression_codec","value":""},...

        final String value = params.get(fieldName);
        if (StringUtil.isNotBlank(value)) {
            return OptionalThing.of(new Config(value));
        }
        return OptionalThing.empty();
    }

    public static class Config {

        private final String[] values;

        public Config(final String value) {

pkg encoding/json, type UnmarshalTypeError struct, Struct string
pkg expvar, func Handler() http.Handler
pkg expvar, method (*Float) Value() float64
pkg expvar, method (Func) Value() interface{}
pkg expvar, method (*Int) Value() int64
pkg expvar, method (*String) Value() string
pkg go/doc, func IsPredeclared(string) bool
pkg go/types, func Default(Type) Type
pkg go/types, func IdenticalIgnoreTags(Type, Type) bool

  private final String value;

  LegacyComparable(String value) {
    this.value = value;
  }

  @Override
  public int compareTo(Object object) {
    // This method is spec'd to throw CCE if object is of the wrong type
    LegacyComparable that = (LegacyComparable) object;
    return this.value.compareTo(that.value);
  }

  @Override

    public String configParameter;

    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer depth;

    @Min(value = 0)
    @Max(value = 9223372036854775807L)
    @ValidateTypeFailure
    public Long maxAccessCount;

    @Required
    @Min(value = 1)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer numOfThread;