code: public RSortable value(JcValue element) {
  		ReturnExpression rx = getReturnExpression();
  		ReturnElement elem = new ReturnElement();
  		elem.setElement(element);
  		rx.setReturnValue(elem);
  		RSortable ret = new RSortable(rx);
  		return ret;
  	}
docs: <div color='red' style="font-size:24px;color:red"><b><i><u>JCYPHER</u></i></b></div>
  <div color='red' style="font-size:18px;color:red"><i>select a named (identified) element</i></div>
  <div color='red' style="font-size:18px;color:red"><i>e.g. <b>value(n)</b></i></div>
  <div color='red' style="font-size:18px;color:red"><i>or an expression like <b>value(n.property("age"))</b> to be returned</i></div>
  <br/>