@Override
      @ParametricNullness
      V getOutput(int entry) {
        return value(entry);
      }
    };
  }

  /**
   * Ensures that this {@code CompactHashMap} has the smallest representation in memory, given its
   * current size.
   */
  public void trimToSize() {
    if (needsAllocArrays()) {
      return;
    }
    Map<K, V> delegate = delegateOrNull();
    if (delegate != null) {

      @ParametricNullness
      V getOutput(int entry) {
        return value(entry);
      }
    };
  }

  /**
   * Ensures that this {@code CompactHashMap} has the smallest representation in memory, given its
   * current size.
   */
  public void trimToSize() {
    if (needsAllocArrays()) {
      return;
    }
    Map<K, V> delegate = delegateOrNull();