SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Asterisk
    Function arrayElement (children 1)
     ExpressionList (children 2)
      Function mapFromString (children 1)
       ExpressionList (children 3)
        Function arrayElement (children 1)
         ExpressionList (children 2)
          Identifier _headers
          Literal \'X-ClickHouse-Summary\'
        Literal \':\'
        Literal \'{,\'
      Literal \'read_rows\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function url (children 1)
       ExpressionList (children 3)
        Literal \'http://127.0.0.1:8123/?query=select+1&user=default\'
        Identifier LineAsString
        Literal \'s String\'
