}

  private int entry(int i) {
    return requireEntries()[i];
  }

  private void setKey(int i, K key) {
    requireKeys()[i] = key;
  }

  private void setValue(int i, V value) {
    requireValues()[i] = value;
  }

  private void setEntry(int i, int value) {
    requireEntries()[i] = value;
  }