SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function accurateCastOrDefault (children 1)
     ExpressionList (children 2)
      Literal Int64_-1
      Literal \'UInt256\'
    Function accurateCastOrDefault (children 1)
     ExpressionList (children 3)
      Literal Int64_-1
      Literal \'UInt256\'
      Function toUInt256 (children 1)
       ExpressionList (children 1)
        Literal UInt64_5
