}
    Iterator<E> iterator = iterable.iterator();
    if (!iterator.hasNext()) {
      return Optional.absent();
    }

    /*
     * TODO(kevinb): consider whether this "optimization" is worthwhile. Users with SortedSets tend
     * to know they are SortedSets and probably would not call this method.
     */
    if (iterable instanceof SortedSet) {

    }
    Iterator<E> iterator = iterable.iterator();
    if (!iterator.hasNext()) {
      return Optional.absent();
    }

    /*
     * TODO(kevinb): consider whether this "optimization" is worthwhile. Users with SortedSets tend
     * to know they are SortedSets and probably would not call this method.
     */
    if (iterable instanceof SortedSet) {

        /** Initialization parameters for the data store */
        private final DataStoreParams initParamMap;

        /** Flag indicating whether the crawling thread has finished execution */
        protected boolean finished = false;

        /** Flag indicating whether the crawling thread is currently running */
        protected boolean running = false;

        /** The data store instance used for crawling operations */

     * Checks if Unicode encoding is enabled for this message
     * @return the useUnicode
     */
    public final boolean isUseUnicode() {
        return this.useUnicode;
    }

    /**
     * Sets whether to use Unicode encoding for this message
     * @param useUnicode
     *            the useUnicode to set
     */
    public final void setUseUnicode(final boolean useUnicode) {
        this.useUnicode = useUnicode;

          <type>boolean</type>
          <description>Whether to send notifications on error.</description>
        </field>
        <field>
          <name>sendOnFailure</name>
          <version>4.0.0+</version>
          <defaultValue>true</defaultValue>
          <type>boolean</type>
          <description>Whether to send notifications on failure.</description>
        </field>
        <field>

		return hh
	default:
		logger.CriticalIf(GlobalContext, errors.New("Unsupported bitrot algorithm"))
		return nil
	}
}

// Available reports whether the given algorithm is available.
func (a BitrotAlgorithm) Available() bool {
	_, ok := bitrotAlgorithms[a]
	return ok
}

// String returns the string identifier for a given bitrot algorithm.

    portions thereof with code not governed by the terms of this License.

    1.7. "License" means this document.

    1.8. "Licensable" means having the right to grant, to the maximum
    extent possible, whether at the time of the initial grant or
    subsequently acquired, any and all of the rights conveyed herein.

    1.9. "Modifications" means the Source Code and Executable form of
    any of the following:

   */
  /*
   * TODO: improve this and other implementations and move out of this framework
   * for wider use
   *
   * TODO: could we incorporate the overriding logic from AbstractListTester, by
   * examining whether the features include KNOWN_ORDER?
   */
  protected void expectContents(Collection<E> expected) {
    assertEqualIgnoringOrder(expected, actualContents());
  }

  protected void expectUnchanged() {

     *
     * @param id            the unique identifier of the repository
     * @param url           the URL of the repository
     * @param layout        the layout of the repository
     * @param uniqueVersion whether to assign each snapshot a unique version
     */
    public DefaultArtifactRepository(String id, String url, ArtifactRepositoryLayout layout, boolean uniqueVersion) {
        super(id, url);
        this.layout = layout;

     * operator <code>|</code>. See the examples listed above.
     *
     * @param url the SMB URL for the named pipe
     * @param pipeType the type of the pipe
     * @param unshared
     *            whether to use an exclusive connection for this pipe
     * @param tc the CIFS context to use
     * @throws MalformedURLException if the URL is not properly formatted
     */