[ uuid (7f6c4340-eb67-11d1-b9d7-00c04fad9a3b),
  version(1.0),
  pointer_default(unique)
]
interface AsyncRPC
{
const long DEFAULT_ASYNC_DELAY        = 20;   // in seconds
const char* DEFAULT_PROTOCOL_SEQUENCE = "ncacn_ip_tcp";
const char* DEFAULT_ENDPOINT          = "8765";

void NonAsyncFunc(handle_t hBinding,
                  [in, string] unsigned char * pszMessage);

void AsyncFunc(handle_t hBinding,
               [in] unsigned long nAsychDelay);

void Shutdown(handle_t hBinding);
}