SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function arrayMap (children 1)
       ExpressionList (children 3)
        Function lambda (children 1)
         ExpressionList (children 2)
          Function tuple (children 1)
           ExpressionList (children 2)
            Identifier x
            Identifier y
          Function plus (children 1)
           ExpressionList (children 2)
            Identifier x
            Identifier y
        Function array (children 1)
         ExpressionList
        Function array (children 1)
         ExpressionList
