code: private boolean isElementPresent_internal() throws WidgetException {
  		try {
  			try {
  			    final boolean isPotentiallyXpathWithLocator =
  			            (locator instanceof EByFirstMatching) || (locator instanceof EByXpath);  
  				if (isPotentiallyXpathWithLocator && isElementPresentJavaXPath())
  					return true;
  			} catch (Exception e) {
  				// Continue
  			}
  
  			findElement();
  			return true;
  		} catch (NoSuchElementException e) {
  			return false;
  		}
  	}
docs: Use the JavaXPath to determine if element is present. If not, then try
  finding element. Return false if the element does not exist
  
  @return true or false
  @throws WidgetException