SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayReduce (children 1)
     ExpressionList (children 2)
      Literal \'uniqStateMap\'
      Function array (children 1)
       ExpressionList (children 1)
        Function map (children 1)
         ExpressionList (children 2)
          Literal UInt64_1
          Literal UInt64_2
