code: public ArrayList<String> getRows() {
  		ArrayList<String> rows = new ArrayList<String>();
  		for (String row : rowLookup.keySet()) {
  			HeaderInfo hi = rowLookup.get(row);
  			if (!hi.isHide()) {
  				rows.add(row);
  			}
  		}
  		return rows;
  	}
docs: Get the list of row names. Will exclude hidden values
  
  @return