code: function (description, since) {
  			var result = description || "";
  
  			if (since) {
  				result += '<br><br><i>Since: ' + since + '.</i>';
  			}
  
  			result = this._preProcessLinksInTextBlock(result);
  			return result;
  		}
docs: Formats the description of control properties
  @param description - the description of the property
  @param since - the since version information of the property
  @returns string - the formatted description