transient int modCount;
  /** Maps a bucket to the "entry" of its first element. */
  private transient int[] hashTableKToV;
  /** Maps a bucket to the "entry" of its first element. */
  private transient int[] hashTableVToK;
  /** Maps an "entry" to the "entry" that follows it in its bucket. */
  private transient int[] nextInBucketKToV;
  /** Maps an "entry" to the "entry" that follows it in its bucket. */

    this.lastInKeyInsertionOrder = null;
    this.size = 0;
    this.mask = tableSize - 1;
    this.modCount = 0;
  }

  /**
   * Finds and removes {@code entry} from the bucket linked lists in both the key-to-value direction
   * and the value-to-key direction.
   */
  private void delete(BiEntry<K, V> entry) {
    int keyBucket = entry.keyHash & mask;
    BiEntry<K, V> prevBucketEntry = null;