docs: public String getLocator(Integer index) {
  
  		String relLocator = ".//";
  
  		if (getBasicLocator().contains("[")) {
  			relLocator += getBasicLocator().replace("]", " and position()=%d ]");
  		} else {
  			relLocator += "%s[%d]";
  		}
  
  		return String.format(relLocator, index);
  	}