SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayReverseFill (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 1)
          Identifier x
        Function less (children 1)
         ExpressionList (children 2)
          Identifier x
          Literal UInt64_10
      Literal Array_[UInt64_1, UInt64_2, UInt64_3, UInt64_11, UInt64_12, UInt64_13, UInt64_4, UInt64_5, UInt64_6, UInt64_14, UInt64_15, UInt64_16]