* This is a big deal - we're talking factors of 2-8 in microbenchmarks, not just 10-20%. (This is
   * a hotspot optimizer bug, which should be fixed, but that's a separate, big project).
   *
   * The coding pattern above is heavily used in java.util, e.g. in ArrayList. There is a
   * RangeCheckMicroBenchmark in the JDK that was used to test this.
   *

  * **alpha**: NVIDIA GPU support ([#24836](https://github.com/kubernetes/kubernetes/pull/24836), [@therc](https://github.com/therc))
  * Adding loadBalancer services and nodeports services to quota system

## Known Issues and Important Steps before Upgrading

  // safely publish these objects and we won't need this whole discussion.
  // TODO(user,lukes): consider adding volatile to all these fields since in current known JVMs
  // that should resolve the issue. This comes at the cost of adding more write barriers to the
  // implementations.

  private Futures() {}

  /**

   * the other.
   *
   * <p>The resulting multimap's views have iterators that don't support {@code remove()}, but all
   * other methods are supported by the multimap and its views. When adding a key that doesn't
   * satisfy the predicate, the multimap's {@code put()}, {@code putAll()}, and {@code
   * replaceValues()} methods throw an {@link IllegalArgumentException}.
   *

   * the other.
   *
   * <p>The resulting multimap's views have iterators that don't support {@code remove()}, but all
   * other methods are supported by the multimap and its views. When adding a key that doesn't
   * satisfy the predicate, the multimap's {@code put()}, {@code putAll()}, and {@code
   * replaceValues()} methods throw an {@link IllegalArgumentException}.
   *

     * @param bindDn the bind DN for LDAP connection
     * @param accountFilter the account filter pattern
     * @param groupFilter the group filter pattern
     * @param lazyLoading the lazy loading consumer for roles
     * @return an array of role names
     */
    public String[] getRoles(final LdapUser ldapUser, final String bindDn, final String accountFilter, final String groupFilter,

import java.util.concurrent.atomic.AtomicReferenceArray;
import java.util.logging.LogRecord;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests relating to cache loading: concurrent loading, exceptions during loading, etc.
 *
 * @author mike nonemacher
 */
@NullUnmarked
public class CacheLoadingTest extends TestCase {
  TestLogHandler logHandler;

  @Override
  public void setUp() throws Exception {

 * mapping and Punycode encoding.
 *
 * In order to avoid confusion and discourage phishing attacks, [IDNA Mapping][idna] transforms
 * names to avoid confusing characters. This includes basic case folding: transforming shouting
 * `SQUARE.COM` into cool and casual `square.com`. It also handles more exotic characters. For
 * example, the Unicode trademark sign (™) could be confused for the letters "TM" in

s-square:before{content:"\f3af"}.fa-hackerrank:before{content:"\f5f7"}.fa-hamburger:before{content:"\f805"}.fa-hammer:before{content:"\f6e3"}.fa-hamsa:before{content:"\f665"}.fa-hand-holding:before{content:"\f4bd"}.fa-hand-holding-heart:before{content:"\f4be"}.fa-hand-holding-usd:before{content:"\f4c0"}.fa-hand-lizard:before{content:"\f258"}.fa-hand-middle-finger:before{content:"\f806"}.fa-hand-paper:before{content:"\f256"}.fa-hand-peace:before{content:"\f25b"}.fa-hand-point-down:before{content:...

  public static <E extends @Nullable Object> CopyOnWriteArraySet<E> newCopyOnWriteArraySet(
      Iterable<? extends E> elements) {
    // We copy elements to an ArrayList first, rather than incurring the
    // quadratic cost of adding them to the COWAS directly.
    Collection<? extends E> elementsCollection =
        (elements instanceof Collection)
            ? (Collection<? extends E>) elements
            : Lists.newArrayList(elements);