void reject(const std::string &iErrorMsg) {
const FutureError e(iErrorMsg);
_future.reject(e);
}
void reject(const std::string &iExceptionMsg) {
FutureError e(iExceptionMsg);
_future.reject(e);
}
void reject(const FutureError &iError) { _future.reject(iError); }
void reject(const FutureError &iException) { _future.reject(iException); }