SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function visibleWidth (children 1)
     ExpressionList (children 1)
      Literal Tuple_(UInt64_1, UInt64_2)
    Function visibleWidth (children 1)
     ExpressionList (children 1)
      Literal Array_[UInt64_1, UInt64_2, UInt64_3]
    Function visibleWidth (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 2)
        Literal UInt64_1
        Literal Array_[UInt64_2]