SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function defaultValueOfArgumentType (children 1)
     ExpressionList (children 1)
      Literal Array_[UInt64_1, UInt64_2, UInt64_3]
    Function defaultValueOfArgumentType (children 1)
     ExpressionList (children 1)
      Literal Array_[Array_[Array_[UInt64_1]]]
    Function defaultValueOfArgumentType (children 1)
     ExpressionList (children 1)
      Function tuple (children 1)
       ExpressionList (children 4)
        Literal UInt64_1
        Literal \'Hello\'
        Function toTimeZone (children 1)
         ExpressionList (children 2)
          Function now (children 1)
           ExpressionList
          Literal \'UTC\'
        Function today (children 1)
         ExpressionList
