code: public JcCollection<JcValue> labels() {
  		return new JcCollection<JcValue>(null, this,
  				new FunctionInstance(FUNCTION.Node.LABELS, 1));
  	}
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>return all labels of a node, return a <b>JcCollection</b></i></div>
  <br/>