code: function (elementId) {
  				var highlighter;
  				var targetDomElement;
  				var targetRect;
  
  				if (_highLighter === null && !document.getElementById("ui5-highlighter")) {
  					_createHighLighter();
  				} else {
  					_showHighLighter();
  				}
  
  				highlighter = _highLighter.firstElementChild;
  				targetDomElement = document.getElementById(elementId);
  
  				if (targetDomElement) {
  					targetRect = targetDomElement.getBoundingClientRect();
  
  					highlighter.style.top = targetRect.top + "px";
  					highlighter.style.left = targetRect.left + "px";
  					highlighter.style.height = targetRect.height + "px";
  					highlighter.style.width = targetRect.width + "px";
  				}
  
  				return this;
  			}
docs: Set the position of the visual highlighter.
  @param {string} elementId - The id of the DOM element that need to be highlighted
  @returns {exports}