* @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
public final class LineReader {
  private final Readable readable;
  private final @Nullable Reader reader;
  private final CharBuffer cbuf = createBuffer();
  private final char[] buf = cbuf.array();

  private final Queue<String> lines = new ArrayDeque<>();
  private final LineBuffer lineBuf =
      new LineBuffer() {
        @Override

  }

  @Override
  public final boolean hasNext() {
    return position < size;
  }

  @Override
  @ParametricNullness
  public final E next() {
    if (!hasNext()) {
      throw new NoSuchElementException();
    }
    return get(position++);
  }

  @Override
  public final int nextIndex() {
    return position;
  }

  @Override
  public final boolean hasPrevious() {

     *
     * @param id      The unique identifier of the item.
     * @param inputs  The input words.
     * @param outputs The output synonyms.
     */
    public SynonymItem(final long id, final String[] inputs, final String[] outputs) {
        this.id = id;
        this.inputs = inputs;
        this.outputs = outputs;

        if (id == 0) {
            // create
            newInputs = inputs;

    return new SupplierComposition<>(function, supplier);
  }

  private static final class SupplierComposition<
          F extends @Nullable Object, T extends @Nullable Object>
      implements Supplier<T>, Serializable {
    final Function<? super F, T> function;
    final Supplier<F> supplier;

    SupplierComposition(Function<? super F, T> function, Supplier<F> supplier) {

    }

    /** Maximum loop count when creating temp directories. */
    private static final int TEMP_DIR_ATTEMPTS = 10000;
  }

  private static final class ThrowingCreator extends TempFileCreator {
    private static final String MESSAGE =
        "Guava cannot securely create temporary files or directories under SDK versions before"

    return new StringConverter<>(enumClass);
  }

  private static final class StringConverter<T extends Enum<T>> extends Converter<String, T>
      implements Serializable {

    private final Class<T> enumClass;

    StringConverter(Class<T> enumClass) {
      this.enumClass = checkNotNull(enumClass);
    }

    @Override

  }

  static final CharSource BROKEN_READ_SOURCE = new TestCharSource("ABC", READ_THROWS);
  static final CharSource BROKEN_CLOSE_SOURCE = new TestCharSource("ABC", CLOSE_THROWS);
  static final CharSource BROKEN_OPEN_SOURCE = new TestCharSource("ABC", OPEN_THROWS);
  static final CharSink BROKEN_WRITE_SINK = new TestCharSink(WRITE_THROWS);
  static final CharSink BROKEN_CLOSE_SINK = new TestCharSink(CLOSE_THROWS);

  private final transient @Nullable ImmutableMapEntry<K, V> @Nullable [] valueTable;
  @VisibleForTesting final transient Entry<K, V>[] entries;
  private final transient int mask;
  private final transient int hashCode;

  static <K, V> ImmutableBiMap<K, V> fromEntries(Entry<K, V>... entries) {
    return fromEntryArray(entries.length, entries);
  }

    // Session-specific preauth integrity contexts
    private final ConcurrentMap<String, PreauthIntegrityContext> sessionContexts = new ConcurrentHashMap<>();

    // Security configuration
    private final SecureRandom secureRandom;
    private final int selectedHashAlgorithm;
    private final boolean enforceIntegrity;

    /**

     */
    public static class FileInfo {
        private final String name;
        private final long size;
        private final long lastModified;
        private final boolean isDirectory;
        private final long attributes;
        private final long creationTime;
        private final long lastAccessTime;

        /**
         * Create file info from name and attributes
         *