var errFileNameTooLong = StorageErr("file name too long")

// errVolumeExists - cannot create same volume again.
var errVolumeExists = StorageErr("volume already exists")

// errIsNotRegular - not of regular file type.
var errIsNotRegular = StorageErr("not of regular file type")

// errPathNotFound - cannot find the path.
var errPathNotFound = StorageErr("path not found")

    public static final String CURRENT_ACCESSORS_OF_UPGRADED_PROPERTIES = "currentAccessorsOfUpgradedProperties";

    public static List<UpgradedProperty> parse(String path) {
        File file = new File(path);
        if (!file.exists()) {
            return Collections.emptyList();
        }
        try (FileReader reader = new FileReader(file)) {

     * @return number of keys in memory
     */
    public int getKeyCount() {
        return sessionKeys.size();
    }

    /**
     * Check if a session key exists
     *
     * @param sessionId session identifier
     * @return true if key exists
     */
    public boolean hasSessionKey(String sessionId) {
        checkNotClosed();

    <example>
      ${fe:base64(value)}
    </example>
  </function>

  <function>
    <description>
      Check if a file exists.
    </description>
    <name>fileExists</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>boolean fileExists(java.lang.String)</function-signature>
    <example>

        .listFiles()
        ?.filter { it.isDirectory }
        ?.map { it.resolve("tmp-extracted-resources") }
        ?.filter { it.exists() }
        .orEmpty()

    private
    fun TestFilesCleanupProjectState.prepareReportsForCiPublishing(executedTaskPaths: List<String>, tmpTestFiles: Collection<File>) {
        val reports = executedTaskPaths

        directoryLeaseManager.requestDirectoryLease(directoryPath, DirectoryLeaseState.DIRECTORY_READ_HANDLE,
                DirectoryCacheScope.IMMEDIATE_CHILDREN);

        // Verify entry exists
        assertNotNull(directoryLeaseManager.getCacheEntry(directoryPath));

        // Release lease
        directoryLeaseManager.releaseDirectoryLease(directoryPath);

        // Entry should be removed

  abstract ContiguousSet<C> headSetImpl(C toElement, boolean inclusive);

  @SuppressWarnings("MissingOverride") // Supermethod does not exist under GWT.
  abstract ContiguousSet<C> subSetImpl(
      C fromElement, boolean fromInclusive, C toElement, boolean toInclusive);

  @SuppressWarnings("MissingOverride") // Supermethod does not exist under GWT.

    return mapEntry(key, value);
  }

  @Override
  protected void expectContents(Collection<Entry<K, V>> expected) {
    // TODO: move this to invariant checks once the appropriate hook exists?
    super.expectContents(expected);
    for (Entry<K, V> entry : expected) {
      assertEquals(
          "Wrong value for key " + entry.getKey(), entry.getValue(), getMap().get(entry.getKey()));
    }
  }

        return methods;
    }

    /**
     * Finds a property by name. Includes inherited properties.
     *
     * @param name The property name.
     * @return The property, or null if no such property exists.
     */
    public PropertyMetaData findProperty(String name) {
        PropertyMetaData propertyMetaData = declaredProperties.get(name);
        if (propertyMetaData != null) {
            return propertyMetaData;

                logger.info("Created storage bucket: {}", bucket);
            }
        } catch (final Exception e) {
            logger.warn("Failed to ensure bucket exists: {}", bucket, e);
        }
    }

    @Override
    public boolean isAvailable() {
        try {
            return storage.get(bucket) != null;
        } catch (final Exception e) {