* @since 2.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class Ordering<T extends @Nullable Object> implements Comparator<T> {
  // Natural order

  /**
   * Returns a serializable ordering that uses the natural order of the values. The ordering throws
   * a {@link NullPointerException} when passed a null parameter.
   *

  }

  @CollectionFeature.Require(absent = KNOWN_ORDER, value = SUPPORTS_ITERATOR_REMOVE)
  public void testIterator_unknownOrderRemoveSupported() {
    runIteratorTest(MODIFIABLE, IteratorTester.KnownOrder.UNKNOWN_ORDER, getSampleElements());
  }

  @CollectionFeature.Require(absent = {KNOWN_ORDER, SUPPORTS_ITERATOR_REMOVE})

    return new String[length];
  }

  /**
   * {@inheritDoc}
   *
   * <p>By default, returns the supplied elements in their given order; however, generators for
   * containers with a known order other than insertion order must override this method.
   *
   * <p>Note: This default implementation is overkill (but valid) for an unordered container. An

   * were inserted into the builder, equivalently to {@code LinkedHashMap}. For example, in the
   * above example, {@code WORD_TO_INT.entrySet()} is guaranteed to iterate over the entries in the
   * order {@code "one"=1, "two"=2, "three"=3}, and {@code keySet()} and {@code values()} respect
   * the same order. If you want a different order, consider using {@link ImmutableSortedMap} to

              }
            })
        .named("checkedNavigableSet/TreeSet, natural")
        .withFeatures(
            SetFeature.GENERAL_PURPOSE,
            CollectionFeature.KNOWN_ORDER,
            CollectionFeature.SERIALIZABLE,
            CollectionFeature.FAILS_FAST_ON_CONCURRENT_MODIFICATION,
            CollectionFeature.RESTRICTS_ELEMENTS,
            CollectionSize.ANY)

    @Override
    public Iterable<Entry<E>> order(List<Entry<E>> insertionOrder) {
      // We mimic the order from gen.
      Map<E, Entry<E>> map = new LinkedHashMap<>();
      for (Entry<E> entry : insertionOrder) {
        map.put(entry.getElement(), entry);
      }

      Set<E> seen = new HashSet<>();
      List<Entry<E>> order = new ArrayList<>();
      for (E e : gen.order(new ArrayList<E>(map.keySet()))) {

    return putBytesInternal(ByteBuffer.wrap(bytes, off, len).order(ByteOrder.LITTLE_ENDIAN));
  }

  @Override
  @CanIgnoreReturnValue
  public final Hasher putBytes(ByteBuffer readBuffer) {
    ByteOrder order = readBuffer.order();
    try {
      readBuffer.order(ByteOrder.LITTLE_ENDIAN);
      return putBytesInternal(readBuffer);
    } finally {
      readBuffer.order(order);
    }
  }

  @CanIgnoreReturnValue

  }

  /** Returns an immutable array containing the given values, in order. */
  public static ImmutableDoubleArray of(double e0, double e1) {
    return new ImmutableDoubleArray(new double[] {e0, e1});
  }

  /** Returns an immutable array containing the given values, in order. */
  public static ImmutableDoubleArray of(double e0, double e1, double e2) {

  }

  /**
   * Returns an immutable list containing the given elements, in order.
   *
   * @throws NullPointerException if any element is null
   */
  public static <E> ImmutableList<E> of(E e1, E e2) {
    return construct(e1, e2);
  }

  /**
   * Returns an immutable list containing the given elements, in order.
   *
   * @throws NullPointerException if any element is null
   */

import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A {@link Multiset} which maintains the ordering of its elements, according to either their
 * natural order or an explicit {@link Comparator}. This order is reflected when iterating over the
 * sorted multiset, either directly, or through its {@code elementSet} or {@code entrySet} views. In