entryArray[i] = makeImmutable(requireNonNull(entryArray[i]));
      K key = entryArray[i].getKey();
      V value = entryArray[i].getValue();
      V oldValue = delegateMap.put(key, value);
      if (oldValue != null) {
        if (throwIfDuplicateKeys) {
          throw conflictException("key", entryArray[i], entryArray[i].getKey() + "=" + oldValue);
        }

   * the entries in entryArray with its own entry objects (though they will have the same key/value
   * contents), and may take ownership of entryArray.
   */
  static <K, V> ImmutableMap<K, V> fromEntryArray(
      int n, @Nullable Entry<K, V>[] entryArray, boolean throwIfDuplicateKeys) {
    checkPositionIndex(n, entryArray.length);
    if (n == 0) {

    Map<K, V> forwardDelegate = Maps.newHashMapWithExpectedSize(n);
    Map<V, K> backwardDelegate = Maps.newHashMapWithExpectedSize(n);
    for (int i = 0; i < n; i++) {
      // requireNonNull is safe because the first `n` elements have been filled in.
      Entry<K, V> e = RegularImmutableMap.makeImmutable(requireNonNull(entryArray[i]));
      entryArray[i] = e;

      }
      hashCode += hash ^ count;
      entryArray[index++] = newEntry;
      hashTable[bucket] = newEntry;
      size += count;
    }

    return hashFloodingDetected(hashTable)
        ? JdkBackedImmutableMultiset.create(asImmutableList(entryArray))
        : new RegularImmutableMultiset<E>(
            entryArray, hashTable, Ints.saturatedCast(size), hashCode, null);
  }

    checkPositionIndex(n, entryArray.length);
    int tableSize = closedTableSize(n, MAX_LOAD_FACTOR);
    int mask = tableSize - 1;
    @Nullable ImmutableMapEntry<K, V>[] keyTable = createEntryArray(tableSize);
    @Nullable ImmutableMapEntry<K, V>[] valueTable = createEntryArray(tableSize);
    /*

    Entry<K, V>[] entryArray = (Entry<K, V>[]) Iterables.toArray(entries, EMPTY_ENTRY_ARRAY);
    switch (entryArray.length) {
      case 0:
        return of();
      case 1:
        Entry<K, V> entry = entryArray[0];
        return of(entry.getKey(), entry.getValue());
      default:
        /*
         * The current implementation will end up using entryArray directly, though it will write

    @SuppressWarnings("unchecked")
    Entry<K, V>[] entryArray = (Entry[]) Iterables.toArray(entries, EMPTY_ENTRY_ARRAY);
    return fromEntries(comparator, sameComparator, entryArray, entryArray.length);
  }

  private static <K, V> ImmutableSortedMap<K, V> fromEntries(
      Comparator<? super K> comparator,
      boolean sameComparator,
      @Nullable Entry<K, V>[] entryArray,
      int size) {
    switch (size) {

    @SuppressWarnings("unchecked")
    Entry<K, V>[] entryArray = (Entry[]) Iterables.toArray(entries, EMPTY_ENTRY_ARRAY);
    return fromEntries(comparator, sameComparator, entryArray, entryArray.length);
  }

  private static <K, V> ImmutableSortedMap<K, V> fromEntries(
      Comparator<? super K> comparator,
      boolean sameComparator,
      @Nullable Entry<K, V>[] entryArray,
      int size) {
    switch (size) {

      default:
        @SuppressWarnings("unchecked") // TODO(cpovirk): Consider storing an Entry<?, ?>[].
        Entry<K, V>[] entryArray = entries.toArray((Entry<K, V>[]) new Entry<?, ?>[entries.size()]);
        return new RegularImmutableMap<K, V>(throwIfDuplicateKeys, entryArray);
    }
  }

  public static <K, V> ImmutableMap<K, V> copyOf(Map<? extends K, ? extends V> map) {

    Entry<K, V>[] entryArray = (Entry<K, V>[]) Iterables.toArray(entries, EMPTY_ENTRY_ARRAY);
    switch (entryArray.length) {
      case 0:
        return of();
      case 1:
        // requireNonNull is safe because the first `size` elements have been filled in.
        Entry<K, V> onlyEntry = requireNonNull(entryArray[0]);
        return of(onlyEntry.getKey(), onlyEntry.getValue());