code: public static UnionTerminal all() {
  		UnionTerminal ret = UnionFactory.all();
  		ASTNode an = APIObjectAccess.getAstNode(ret);
  		an.setClauseType(ClauseType.UNION_ALL);
  		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>combine the results of two queries</i></div>
  <div color='red' style="font-size:18px;color:red"><i><b>UNION.all()</b></i></div>
  <br/>