keyTable[keyBucket] = newEntry;
      valueTable[valueBucket] = newEntry;
      entries[i] = newEntry;
      hashCode += keyHash ^ valueHash;
    }
    return new RegularImmutableBiMap<>(keyTable, valueTable, entries, mask, hashCode);
  }

  private RegularImmutableBiMap(
      @Nullable ImmutableMapEntry<K, V> @Nullable [] keyTable,