code: public static IBeforePredicate NOT() {
  		IBeforePredicate ret = P.NOT();
  		ASTNode an = APIObjectAccess.getAstNode((APIObject) ret);
  		an.setClauseType(ClauseType.WHERE);
  		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>negate a boolean</i></div>
  <div color='red' style="font-size:18px;color:red"><i>e.g. WHERE.<b>NOT()</b>.has(n.property("age"))</i></div>
  <br/>