ListenableFuture<V> localDelegate = delegate;
      if (localDelegate != null) {
        setFuture(localDelegate);
      }
    }

    @Override
    @CheckForNull
    protected String pendingToString() {
      ListenableFuture<V> localDelegate = delegate;
      if (localDelegate != null) {
        return "delegate=[" + localDelegate + "]";
      }
      return null;
    }

    @Override

          // Any Exception is either a RuntimeException or sneaky checked exception.
          setException(t);
          throw t;
        }
      }

      @Override
      protected String pendingToString() {
        return "task=[" + delegate + "]";
      }
    }
  }

  /*
   * This following method is a modified version of one found in