code: public void setHighlightedBond(IBond highlightedBond) {
          if ((this.highlightedBond != null) || (highlightedBond != null)) {
              this.highlightedBond = highlightedBond;
              fireChange();
          }
      }
docs: Sets the Bond currently highlighted.
  
  @param highlightedBond
  The Bond to be currently highlighted