int refcount_ = 1;
double remains_; /**< How much of that cost remains to be done in the currently running task */
double maxDuration_ = NO_MAX_DURATION; /*< max_duration (may fluctuate until the task is completed) */
int refcount_ = 1;
double remains_; /**< How much of that cost remains to be done in the currently running task */
double maxDuration_ = NO_MAX_DURATION; /*< max_duration (may fluctuate until the task is completed) */