@Override
  int copyIntoArray(@Nullable Object[] dst, int offset) {
    return delegateList.copyIntoArray(dst, offset);
  }

  @Override
  @Nullable Object @Nullable [] internalArray() {
    return delegateList.internalArray();
  }

  @Override
  int internalArrayStart() {
    return delegateList.internalArrayStart();
  }

  @Override
  int internalArrayEnd() {

    this.size = size;
  }

  @Override
  public int size() {
    return size;
  }

  @Override
  boolean isPartialView() {
    return false;
  }

  @Override
  @Nullable Object[] internalArray() {
    return array;
  }

  @Override
  int internalArrayStart() {
    return 0;
  }

  @Override
  int internalArrayEnd() {
    return size;
  }

  @Override

      default:
        return new RegularImmutableAsList<E>(this, toArray());
    }
  }

  /** If this collection is backed by an array of its elements in insertion order, returns it. */
  Object @Nullable [] internalArray() {
    return null;
  }

  /**
   * If this collection is backed by an array of its elements in insertion order, returns the offset
   * where this collection's elements start.
   */