func (err ErrDuplicateQueueConfiguration) Error() string {
	var message string
	if data, xerr := xml.Marshal(err.Queue); xerr != nil {
		message = fmt.Sprintf("%+v", err.Queue)
	} else {
		message = string(data)
	}

	return fmt.Sprintf("duplicate queue configuration %v", message)
}

// ErrUnknownRegion - unknown region error.
type ErrUnknownRegion struct {
	Region string
}

        (ParameterizedType) new TypeCapture<Entry<String, int[][]>>() {}.capture();
    ParameterizedType ourType =
        Types.newParameterizedTypeWithOwner(Map.class, Entry.class, String.class, int[][].class);

    new EqualsTester()
        .addEqualityGroup(jvmType, ourType)
        .addEqualityGroup(new TypeCapture<Entry<String, String>>() {}.capture())
        .addEqualityGroup(new TypeCapture<Map<String, Integer>>() {}.capture())

    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

  protected abstract Collection<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */
  @Override
  public List<String> order(List<String> insertionOrder) {

		secretKey = globalActiveCred.SecretKey
	)
	testCases := []struct {
		queryParams map[string]string
		expected    APIErrorCode
	}{
		// (0) Should error without a set URL query.
		{
			expected: ErrInvalidQueryParams,
		},
		// (1) Should error on an invalid access key.
		{
			queryParams: map[string]string{
				"Expires":        "60",
				"Signature":      "badsignature",

 * strengths.
 *
 * @author mike nonemacher
 */
@NullUnmarked
public class CacheReferencesTest extends TestCase {

  private static final CacheLoader<Key, String> KEY_TO_STRING_LOADER =
      new CacheLoader<Key, String>() {
        @Override
        public String load(Key key) {
          return key.toString();
        }
      };

  private CacheBuilderFactory factoryWithAllKeyStrengths() {

        }
      };

  static final Predicate<String> FILTER_VALUES =
      new Predicate<String>() {
        @Override
        public boolean apply(@Nullable String string) {
          return !Objects.equals(string, "toast") && !Objects.equals(string, "spam");
        }
      };

  static final Predicate<Entry<String, String>> FILTER_ENTRIES =
      new Predicate<Entry<String, String>>() {

    public ToStringHelper add(String name, boolean value) {
      return addUnconditionalHolder(name, String.valueOf(value));
    }

    /**
     * Adds a name/value pair to the formatted output in {@code name=value} format.
     *
     * @since 18.0 (since 11.0 as {@code Objects.ToStringHelper.add()}).
     */
    @CanIgnoreReturnValue
    public ToStringHelper add(String name, char value) {

            String prefix,
            String fieldName,
            ModelProblemCollector problems,
            Severity severity,
            Version version,
            String string,
            String sourceHint,
            InputLocationTracker tracker) {
        if (string == null || string.length() <= 0) {
            return true;
        }

	updateInProgress bool
	bucket           string
}

// BucketTargetSys represents bucket targets subsystem
type BucketTargetSys struct {
	sync.RWMutex
	arnRemotesMap map[string]arnTarget
	targetsMap    map[string][]madmin.BucketTarget
	hMutex        sync.RWMutex
	hc            map[string]epHealth
	hcClient      *madmin.AnonymousClient
	aMutex        sync.RWMutex

        ACCESSORS_REMOVED,
        ACCESSORS_KEPT
    }

    public static class AccessorKey {
        private final String containingType;
        private final String methodName;
        private final String descriptor;

        private AccessorKey(String containingType, String methodName, String descriptor) {
            this.containingType = containingType;
            this.methodName = methodName;