* @param string the string to test and possibly return
   * @return {@code string} if it is not null; {@code ""} otherwise
   */
  static String nullToEmpty(@Nullable String string) {
    return (string == null) ? "" : string;
  }

  /**
   * Returns the string if it is not empty, or a null string otherwise.
   *
   * @param string the string to test and possibly return
   * @return {@code string} if it is not empty; {@code null} otherwise

        return readText(path, UTF8);
    }

    /**
     * Reads text from a file in UTF-8 encoding.
     *
     * @param file
     *            The file. Must not be {@literal null}.
     * @return The text read from the file.
     */
    public static String readUTF8(final File file) {
        assertArgumentNotNull("file", file);
        return readText(file, UTF8);
    }

            throw new AssertionError("Null check failed on return value of " + factory, e);
          }
        }
      }
      return this;
    }

    /**
     * Tests {@link Object#equals} and {@link Object#hashCode} against the return values of the
     * static methods, by asserting that when equal parameters are passed to the same static method,
     * the return value should also be equal; and vice versa.
     *

            }
        }
        return locale;
    }

    private static Supplier<Locale> defaultLocaleSupplier;

    /**
     * Returns the default locale.
     *
     * @return the default locale
     */
    public static Locale getDefault() {
        if (defaultLocaleSupplier != null) {
            return defaultLocaleSupplier.get();
        }
        return Locale.ENGLISH;
    }

    /**

	if err != nil {
		return 0, err
	}
	_, err = b.Hash.Write(p)
	if err != nil {
		return 0, err
	}
	return len(p), nil
}

func (b *wholeBitrotWriter) Close() error {
	return nil
}

// Returns whole-file bitrot writer.
func newWholeBitrotWriter(disk StorageAPI, volume, filePath string, algo BitrotAlgorithm, shardSize int64) io.WriteCloser {

			st.LastUpdate = s.LastUpdate
			st.Status = s.Status
			return nil
		}
		sm.resyncStatus[s.ResyncID] = st
		return saveSiteResyncMetadata(GlobalContext, st, newObjectLayerFn())
	}
	return nil
}

// increment SyncedBuckets count
func (sm *siteResyncMetrics) incBucket(o resyncOpts, bktStatus ResyncStatusType) {
	if !globalSiteReplicationSys.isEnabled() {
		return
	}
	sm.Lock()
	defer sm.Unlock()

   * @param defaultValue the value to return for inputs that aren't map keys
   * @return function that returns {@code map.get(a)} when {@code a} is a key, or {@code
   *     defaultValue} otherwise
   */
  public static <K extends @Nullable Object, V extends @Nullable Object> Function<K, V> forMap(
      Map<K, ? extends V> map, @ParametricNullness V defaultValue) {
    return new ForMapWithDefault<>(map, defaultValue);
  }

      return original.contains(columnKey, rowKey);
    }

    @Override
    public boolean containsColumn(@Nullable Object columnKey) {
      return original.containsRow(columnKey);
    }

    @Override
    public boolean containsRow(@Nullable Object rowKey) {
      return original.containsColumn(rowKey);
    }

    @Override
    public boolean containsValue(@Nullable Object value) {

	return c.call(ctx, lockRPCUnlock, &args)
}

// ForceUnlock calls force unlock handler to forcibly unlock an active lock.
func (c *lockRESTClient) ForceUnlock(ctx context.Context, args dsync.LockArgs) (reply bool, err error) {
	return c.call(ctx, lockRPCForceUnlock, &args)
}

func newLockAPI(endpoint Endpoint) dsync.NetLocker {
	if endpoint.IsLocal {
		return globalLockServer
	}
	return newlockRESTClient(endpoint)

        return s -> {
            for (UnaryOperator<String> function : functions) {
                String v = function.apply(s);
                if (v != null) {
                    return v;
                }
            }
            return null;
        };
    }

    @SafeVarargs