return;
      }
      Object valueToSet = getFutureValue(future);
      if (casValue(owner, this, valueToSet)) {
        complete(
            owner,
            /*
             * Interruption doesn't propagate through a DelegatingToFuture chain (see
             * getFutureValue), so don't invoke interruptTask.
             */
            false);
      }
    }
  }

     */
    I sourceResult;
    try {
      sourceResult = getDone(localInputFuture);
    } catch (CancellationException e) {
      // TODO(user): verify future behavior - unify logic with getFutureValue in AbstractFuture. This
      // code should be unreachable with correctly implemented Futures.
      // Cancel this future and return.