* if key or value objects already present in the multimap change in a manner that affects
 * {@code equals} comparisons. Use caution if mutable objects are used as keys or values in a {@code
 * SetMultimap}.
 *
 * <p><b>Warning:</b> Do not modify either a key <i>or a value</i> of a {@code SetMultimap} in a way
 * that affects its {@link Object#equals} behavior. Undefined behavior and bugs will result.
 *

    if (rank == null) {
      throw new IncomparableValueException(value);
    }
    return rank;
  }

  @Override
  public boolean equals(@CheckForNull Object object) {
    if (object instanceof ExplicitOrdering) {
      ExplicitOrdering<?> that = (ExplicitOrdering<?>) object;
      return this.rankMap.equals(that.rankMap);
    }
    return false;
  }

  @Override
  public int hashCode() {
    return rankMap.hashCode();

   */
  public static <F extends @Nullable Object, T extends @Nullable Object> Supplier<T> compose(
      Function<? super F, T> function, Supplier<F> supplier) {
    return new SupplierComposition<>(function, supplier);
  }

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

   */
  protected int standardCount(@CheckForNull Object object) {
    for (Entry<?> entry : this.entrySet()) {
      if (Objects.equal(entry.getElement(), object)) {
        return entry.getCount();
      }
    }
    return 0;
  }

  /**
   * A sensible definition of {@link #add(Object)} in terms of {@link #add(Object, int)}. If you

@ElementTypesAreNonnullByDefault
class CompactLinkedHashMap<K extends @Nullable Object, V extends @Nullable Object>
    extends CompactHashMap<K, V> {
  // TODO(lowasser): implement removeEldestEntry so this can be used as a drop-in replacement

  /** Creates an empty {@code CompactLinkedHashMap} instance. */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      CompactLinkedHashMap<K, V> create() {

    TypeVariableInvocationHandler(TypeVariableImpl<?> typeVariableImpl) {
      this.typeVariableImpl = typeVariableImpl;
    }

    @Override
    @CheckForNull
    public Object invoke(Object proxy, Method method, @CheckForNull @Nullable Object[] args)
        throws Throwable {
      String methodName = method.getName();
      Method typeVariableMethod = typeVariableMethods.get(methodName);
      if (typeVariableMethod == null) {

    public int result() {
      return result;
    }
  }

  /**
   * Compares two comparable objects as specified by {@link Comparable#compareTo}, <i>if</i> the
   * result of this comparison chain has not already been determined.
   *
   * <p>This method is declared to accept any 2 {@code Comparable} objects, even if they are not <a
   * href="https://docs.oracle.com/javase/tutorial/collections/interfaces/order.html">mutually

 */

package com.google.common.collect;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.RegularImmutableMap.makeImmutable;
import static java.util.Objects.requireNonNull;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.util.HashMap;

    static <K extends @Nullable Object, V extends @Nullable Object> ValueEntry<K, V> newHeader() {
      return new ValueEntry<>(null, null, 0, null);
    }

    boolean matchesValue(@CheckForNull Object v, int smearedVHash) {
      return smearedValueHash == smearedVHash && Objects.equal(getValue(), v);
    }

    @Override

        @J2ktIncompatible // serialization
        Object writeReplace() {
          return super.writeReplace();
        }
      };
    }

    @Override
    public boolean contains(@CheckForNull Object object) {
      if (object instanceof Entry) {
        Entry<?, ?> entry = (Entry<?, ?>) object;
        Object k = entry.getKey();
        Object v = entry.getValue();