* @return the normalized encoding or the default encoding if the input is blank
     */
    public String normalize(final String enc) {
        if (StringUtil.isBlank(enc)) {
            return defaultEncoding;
        }

        final String newEnc = encodingMap.get(toLowerCase(enc));
        if (StringUtil.isBlank(newEnc)) {
            return enc;
        }
        return newEnc;
    }

   * be accessed.
   */
  @SuppressWarnings("SunApi") // b/345822163
  private static final class UnsafeAtomicHelper extends AtomicHelper {
    static final Unsafe UNSAFE;
    static final long LISTENERS_OFFSET;
    static final long WAITERS_OFFSET;
    static final long VALUE_OFFSET;
    static final long WAITER_THREAD_OFFSET;
    static final long WAITER_NEXT_OFFSET;

    static {
      Unsafe unsafe = null;
      try {

            ScoreFunctionCall<ScoreFunctionCreator<CrawlingInfoCQ>> functionsLambda,
            final ConditionOptionCall<FunctionScoreQueryBuilder> opLambda) {
        CrawlingInfoCQ cq = new CrawlingInfoCQ();
        queryLambda.callback(cq);
        final Collection<FilterFunctionBuilder> list = new ArrayList<>();
        if (functionsLambda != null) {

            ScoreFunctionCall<ScoreFunctionCreator<CrawlingInfoParamCQ>> functionsLambda,
            final ConditionOptionCall<FunctionScoreQueryBuilder> opLambda) {
        CrawlingInfoParamCQ cq = new CrawlingInfoParamCQ();
        queryLambda.callback(cq);
        final Collection<FilterFunctionBuilder> list = new ArrayList<>();
        if (functionsLambda != null) {

  }

  private static final class PostOrderNode<T> {
    final T root;
    final Iterator<T> childIterator;

    PostOrderNode(T root, Iterator<T> childIterator) {
      this.root = checkNotNull(root);
      this.childIterator = checkNotNull(childIterator);
    }
  }

  private final class PostOrderIterator extends AbstractIterator<T> {
    private final ArrayDeque<PostOrderNode<T>> stack;

public class IterationMarkCharFilterFactory extends AbstractCharFilterFactory {

    public IterationMarkCharFilterFactory(final IndexSettings indexSettings, final Environment env, final String name,
            final Settings settings) {
        super(indexSettings, name);
    }

    @Override
    public Reader create(final Reader tokenStream) {
        return new IterationMarkCharFilter(tokenStream);
    }

    public void functionScore(OperatorCall<WebConfigCQ> queryLambda, ScoreFunctionCall<ScoreFunctionCreator<WebConfigCQ>> functionsLambda,
            final ConditionOptionCall<FunctionScoreQueryBuilder> opLambda) {
        WebConfigCQ cq = new WebConfigCQ();
        queryLambda.callback(cq);
        final Collection<FilterFunctionBuilder> list = new ArrayList<>();
        if (functionsLambda != null) {

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String osddLinkEnabled = fessConfig.getOsddLinkEnabled();
        if (Constants.TRUE.equalsIgnoreCase(osddLinkEnabled)) {
            return true;
        }

        if (!Constants.AUTO.equalsIgnoreCase(osddLinkEnabled)) {
            return false;
        }

        final String ssoType = fessConfig.getSsoType();

     *
     * @param id     The unique identifier of the item.
     * @param input  The input word.
     * @param output The output stem.
     */
    public StemmerOverrideItem(final long id, final String input, final String output) {
        this.id = id;
        this.input = input;
        this.output = output;

        if (id == 0) {
            // create
            newInput = input;

     * @return the total number of bytes read into the buffer, or -1 if there is no more data
     * @throws IOException if an I/O error occurs
     */
    @Override
    public int read(final byte[] b, final int off, final int len) throws IOException {
        return inputStream.read(b, off, len);
    }

    /**
     * Reads some number of bytes from the input stream and stores them into the buffer array b.
     *