code: @SuppressWarnings("unchecked")
      public <T extends XPathBuilder> T setElCssSelector(final String elCssSelector) {
          this.elCssSelector = elCssSelector;
          return (T) this;
      }
docs: <p><b>Used for finding element process (to generate css selectors address)</b></p>
  Once used all other attributes will be ignored. Try using this class to a minimum!
  
  @param elCssSelector absolute way (css selectors) to identify element
  @param <T>           the element which calls this method
  @return this element