code: public final void add(final String... lines) {
  
          if (lines != null) {
              for (String current : lines) {
                  commentLines.add(current.replace(NEWLINE, ""));
              }
          }
      }
docs: If non-null, adds one or more lines to this comment.
  Also, {@link #NEWLINE} strings are removed from each line.
  
  @param lines one or more lines to add to this comment.