combinerCompletedWithoutInterrupt.countDown();
            } catch (InterruptedException e) {
              // Ensure the thread's interrupt status is preserved.
              Thread.currentThread().interrupt();
              throw new RuntimeException(e);
            }
          }
        };

    ListenableFuture<?> futureResult =

              combinerCompletedWithoutInterrupt.countDown();
            } catch (InterruptedException e) {
              // Ensure the thread's interrupt status is preserved.
              Thread.currentThread().interrupt();
              throw new RuntimeException(e);
            }
          }
        };

    ListenableFuture<?> futureResult =

            directExecutor());
      } catch (Throwable t) {
        ListenableFuture<V> result = setException(t) ? futureValue : fullyFailedFuture(t);
        if (t instanceof InterruptedException) {
          Thread.currentThread().interrupt();
        }
        return result;
      }
    }

    public long elapsedNanos() {
      return stopwatch.elapsed(NANOSECONDS);
    }

    @Override

            directExecutor());
      } catch (Throwable t) {
        ListenableFuture<V> result = setException(t) ? futureValue : fullyFailedFuture(t);
        if (t instanceof InterruptedException) {
          Thread.currentThread().interrupt();
        }
        return result;
      }
    }

    @CheckForNull
    public V compute(