return standardToArray(array);
    }

    @Override
    public String toString() {
      return standardToString();
    }
  }

  /**
   * Returns a view of the portion of {@code set} whose elements are contained by {@code range}.
   *
   * <p>This method delegates to the appropriate methods of {@link NavigableSet} (namely {@link

    if (elements instanceof ImmutableCollection) {
      /*
       * TODO: When given an ImmutableList that's a sublist, copy the referenced
       * portion of the array into a new array to save space?
       */
      @SuppressWarnings("unchecked") // all supported methods are covariant
      ImmutableCollection<E> list = (ImmutableCollection<E>) elements;

    int i = 0;
    for (E e : list) {
      builder.put(e, i++);
    }
    return builder.buildOrThrow();
  }

  /**
   * Returns a view of the portion of {@code map} whose keys are contained by {@code range}.
   *
   * <p>This method delegates to the appropriate methods of {@link NavigableMap} (namely {@link