switch err.(type) {
					case ObjectNotFound, BucketNotFound:
						return false, nil
					case InsufficientReadQuorum, StorageErr:
						return true, nil
					}
					return false, err
				}
				err = d.deserialize(r)
				r.Close()
				return err != nil, nil
			case InsufficientReadQuorum, StorageErr:
				return true, nil
			}
			return false, err
		}
		err = d.deserialize(r)
		r.Close()

    return absl::OkStatus();
  }
  const string& Name() const override { return op_type_; }
  const string& DeviceName() const override { return device_name_; }

  absl::Status SetDeviceName(const char* name) override {
    // TODO(srbs): Implement this.
    device_name_ = name;
    return absl::OkStatus();
  }

  absl::Status AddInput(AbstractTensorHandle* input) override {

   * would declare a return type of `@Nullable T[]`. However, we've decided not to think too hard
   * about arrays for now, as they're a mess.
   */
  public static <T extends @Nullable Object> T[] newArray(T[] reference, int length) {
    T[] empty = reference.length == 0 ? reference : Arrays.copyOf(reference, 0);
    return Arrays.copyOf(empty, length);
  }

  /**

	if v2Auth == "" {
		return cred, ErrAuthHeaderEmpty
	}

	// Verify if the header algorithm is supported or not.
	if !strings.HasPrefix(v2Auth, signV2Algorithm) {
		return cred, ErrSignatureVersionNotSupported
	}

	cred, _, apiErr := getReqAccessKeyV2(r)
	if apiErr != ErrNone {
		return cred, apiErr
	}

	return cred, ErrNone
}

		g.Go(func() error {
			if localDrives[index] == nil {
				return errDiskNotFound
			}
			err := localDrives[index].MakeVol(ctx, bucket)
			if opts.ForceCreate && errors.Is(err, errVolumeExists) {
				// No need to return error when force create was
				// requested.
				return nil
			}
			return err
		}, index)
	}

	errs := g.Wait()

		if err != nil {
			return nil, nil, fmt.Errorf("Drive %s: %w", export, err)
		}
		// Migrate successful v2 => v3, v3 is latest
		// version = formatXLVersionV3
		return migrate(formatPath, formatData)
	case formatErasureVersionV3:
		// v3 is the latest version, return.
		return formatData, formatFi, nil
	}
	return nil, nil, fmt.Errorf(`Disk %s: unknown format version %s`, export, version)

    public String getTableDbName() {
        return _tableDbName;
    }

    @Override
    public String getTableDispName() {
        return _tableDispName;
    }

    @Override
    public String getTablePropertyName() {
        return _tablePropertyName;
    }

    @Override
    public TableSqlName getTableSqlName() {
        return null;
    }

            }
            return new AbstractMap<String, String>() {
              @Override
              public Set<Entry<String, String>> entrySet() {
                return map.entrySet();
              }

              @Override
              public @Nullable String put(String key, String value) {
                checkNotNull(key);
                return map.put(key, value);
              }

        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public DataSource assistDataSource() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public DBMetaProvider assistDBMetaProvider() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override

            return parent.toArray();
        }

        public <T> T[] toArray(final T[] a) {
            return parent.toArray(a);
        }

        public boolean add(final E e) {
            return parent.add(e);
        }

        public boolean remove(final Object o) {
            return parent.remove(o);
        }

        public boolean containsAll(final Collection<?> c) {