Returns the estimated number of CompletableFutures whose
completions are awaiting completion of this CompletableFuture.
This method is designed for use in monitoring system state, not
for synchronization control.
@return the number of dependent CompletableFutures
Returns the estimated number of CompletableFutures whose completions are awaiting completion of this CompletableFuture. This method is designed for use in monitoring system state, not for synchronization control.
@return the number of dependent CompletableFutures