code: protected void appendSegments(int index, List<String> otherSegments) {
  		growSegments(otherSegments.size());
  		if (segments.addAll(index, otherSegments)) {
  			cachedToString = null;
  		}
  	}
docs: Add the list of segments to this sequence at the given index. The given indentation will be prepended to each
  line except the first one if the object has a multi-line string representation.
  
  @param index
  the index in this instance's list of segments.
  @param otherSegments
  the to-be-appended segments. May not be <code>null</code>.
  @since 2.5