template<typename config> 
struct counted_time_rep {
  // types
  typedef config::int_type           int_type;          
  typedef config::date_type          date_type;         
  typedef config::impl_type          impl_type;         
  typedef date_type::duration_type   date_duration_type;
  typedef date_type::calendar_type   calendar_type;     
  typedef date_type::ymd_type        ymd_type;          
  typedef config::time_duration_type time_duration_type;
  typedef config::resolution_traits  resolution_traits; 

  // construct/copy/destruct
  counted_time_rep(const date_type &, const time_duration_type &);
  counted_time_rep(int_type);
  counted_time_rep(impl_type);

  // public member functions
  date_type date() const;
  unsigned long day_count() const;
  int_type time_count() const;
  int_type tod() const;
  bool is_pos_infinity() const;
  bool is_neg_infinity() const;
  bool is_not_a_date_time() const;
  bool is_special() const;
  impl_type get_rep() const;

  // public static functions
  int_type frac_sec_per_day() ;
};