code: @SuppressWarnings("squid:S1168")
      public Element tableRow(int rowNum) {
          Element rows = tableRows();
          if (rows == null) {
              return null;
          }
          if (numOfTableRows() < rowNum) {
              return null;
          }
          return rows.get(rowNum);
      }
docs: Retrieves a specific row from the element. If the element isn't present
  or a table, or doesn't have that many rows a null value will be returned.
  
  @param rowNum - the row number of the table to obtain - note, row numbering
  starts at 0
  @return List: a list of the table cells in the row as WebElements