@Override
  protected ArrayTable<String, Integer, Character> create(@Nullable Object... data) {
    // TODO: Specify different numbers of rows and columns, to detect problems
    // that arise when the wrong size is used.
    ArrayTable<String, Integer, Character> table =
        ArrayTable.create(asList("foo", "bar", "cat"), asList(1, 2, 3));
    populate(table, data);
    return table;
  }

  @Override

  @Override
  protected ArrayTable<String, Integer, Character> create(@Nullable Object... data) {
    // TODO: Specify different numbers of rows and columns, to detect problems
    // that arise when the wrong size is used.
    ArrayTable<String, Integer, Character> table =
        ArrayTable.create(asList("foo", "bar", "cat"), asList(1, 2, 3));
    populate(table, data);
    return table;
  }

  @Override

              new Runnable() {
                @Override
                public void run() {
                  try {
                    // We'd like to log progress and failures that may arise in the
                    // following code, but unfortunately the behavior of logging
                    // is undefined in shutdown hooks.
                    // This is because the logging code installs a shutdown hook of its

 * which external/unmanaged code is executed while the lock is held. (See caveats under
 * <strong>Performance</strong>).
 *
 * <p><strong>Cycle Detection</strong>
 *
 * <p>Deadlocks can arise when locks are acquired in an order that forms a cycle. In a simple
 * example involving two locks and two threads, deadlock occurs when one thread acquires Lock A, and

     * bytecode rewriting that checks for any null value that passes through an API with a
     * known-non-null type? But that particular problem might not arise here, since we're not
     * actually reading from the fields in any case in which they might be null (as proven by the
     * requireNonNull checks below). Plus, we're *already* lying here, since newHeader passes a null

   * that they were not initialized yet.
   */
  private static final int SUFFIX_NOT_INITIALIZED = -2;

  /**
   * Maximum parts (labels) in a domain name. This value arises from the 255-octet limit described
   * in <a href="http://www.ietf.org/rfc/rfc2181.txt">RFC 2181</a> part 11 with the fact that the
   * encoding of each part occupies at least two bytes (dot plus label externally, length byte plus