* The returned list of versions is only dependent on the configured repositories and their contents.
     * The supplied request may also refer to a single concrete version rather than a version range.
     * In this case though, the result contains simply the (parsed) input version, regardless of the
     * repositories and their contents.
     *
     * @param artifact the artifact for which to resolve the versions

  private static final class AvlNode<E extends @Nullable Object> {
    /*
     * For "normal" nodes, the type of this field is `E`, not `@Nullable E` (though note that E is a
     * type that can include null, as in a TreeMultiset<@Nullable String>).
     *
     * For the header node, though, this field contains `null`, regardless of the type of the
     * multiset.
     *

   * LinkedHashMap because one target node may be mapped to both a predecessor and a successor. A
   * LinkedHashMap combines two such edges into a single node-value pair, even though the edges may
   * not have been inserted consecutively.
   */
  private final @Nullable List<NodeConnection<N>> orderedNodeConnections;

  private int predecessorCount;
  private int successorCount;

   *     neither fast nor secure. As of January 2017, we suggest:
   *     <ul>
   *       <li>For security:
   *           {@link Hashing#sha256} or a higher-level API.
   *       <li>For speed: {@link Hashing#goodFastHash}, though see its docs for caveats.
   *     </ul>
   */
  @Deprecated
  public static HashFunction md5() {
    return Md5Holder.MD5;
  }

  private static final class Md5Holder {

   * abruptly. In other cases, a test may put a thread into an uninterruptible operation
   * intentionally, so there is no other way to clean up these threads. (The better solution,
   * though, would be to run the tests that use TestThread in separate VMs so that their threads
   * don't hang around during other tests.)
   */
  @Override
  public void tearDown() throws Exception {
    try {

	if objectAPI == nil {
		return
	}

	// Proxy rebalance-status to first pool first node, so that users see a
	// consistent view of rebalance progress even though different rebalancing
	// pools may temporarily have out of date info on the others.
	if ep := globalEndpoints[0].Endpoints[0]; !ep.IsLocal {
		for nodeIdx, proxyEp := range globalProxyEndpoints {

    Fire(TimeoutFuture<V> timeoutFuture) {
      this.timeoutFutureRef = timeoutFuture;
    }

    @Override
    // TODO: b/227335009 - Maybe change interruption behavior, but it requires thought.
    @SuppressWarnings("Interruption")
    public void run() {
      // If either of these reads return null then we must be after a successful cancel or another
      // call to this method.

   * and returns {@code null} if non-ASCII digits are present in the string.
   *
   * <p>Note that strings prefixed with ASCII {@code '+'} are rejected, even though {@link
   * Integer#parseInt(String)} accepts them.
   *
   * @param string the string representation of an integer value
   * @return the integer value represented by {@code string}, or {@code null} if {@code string} has

// https://www.iana.org/domains/root/db/nrw.html
nrw

// ntt : NIPPON TELEGRAPH AND TELEPHONE CORPORATION
// https://www.iana.org/domains/root/db/ntt.html
ntt

// nyc : The City of New York by and through the New York City Department of Information Technology & Telecommunications
// https://www.iana.org/domains/root/db/nyc.html
nyc

// obi : OBI Group Holding SE & Co. KGaA

   * {@code null} if non-ASCII digits are present in the string.
   *
   * <p>Note that strings prefixed with ASCII {@code '+'} are rejected, even though {@link
   * Integer#parseInt(String)} accepts them.
   *
   * @param string the string representation of a long value
   * @return the long value represented by {@code string}, or {@code null} if {@code string} has a