|  | 
|  | proxy (native_handle_type native) | 
|  | 
| template<typename R , typename Callback , typename... Args> | 
| void | call (const char *method, double timeout, Callback &&callback, Args... args) const | 
|  | 
| template<typename Callback , typename... Args> | 
| void | call (const char *method, double timeout, Callback &&callback, Args... args) const | 
|  | 
| native_handle_type | native_handle () | 
|  | 
| const_native_handle_type | native_handle () const | 
|  |