// The cast is safe because of the `run` and `error` checks.
      afterRanInterruptiblySuccess(uncheckedCastNullableTToT(result));
    } else {
      afterRanInterruptiblyFailure(error);
    }
  }

  abstract boolean isDone();

  abstract T runInterruptibly() throws Exception;

  abstract void afterRanInterruptiblySuccess(T result);

  abstract void afterRanInterruptiblyFailure(Throwable error);

    }

    @Override
    @ParametricNullness
    V runInterruptibly() throws Exception {
      return callable.call();
    }

    @Override
    void afterRanInterruptiblySuccess(@ParametricNullness V result) {
      TrustedListenableFutureTask.this.set(result);
    }

    @Override
    void afterRanInterruptiblyFailure(Throwable error) {
      setException(error);
    }

      try {
        listenerExecutor.execute(this);
      } catch (RejectedExecutionException e) {
        CombinedFuture.this.setException(e);
      }
    }

    @Override
    final void afterRanInterruptiblySuccess(@ParametricNullness T result) {
      /*
       * The future no longer needs to interrupt this task, so it no longer needs a reference to it.
       *

          boolean isDone() {
            return false;
          }

          @Override
          String toPendingString() {
            return "";
          }

          @Override
          void afterRanInterruptiblySuccess(String result) {
            taskResult.set(result);
          }

          @Override
          void afterRanInterruptiblyFailure(Throwable error) {
            taskResult.setException(error);
          }

          boolean isDone() {
            return false;
          }

          @Override
          String toPendingString() {
            return "";
          }

          @Override
          void afterRanInterruptiblySuccess(String result) {
            taskResult.set(result);
          }

          @Override
          void afterRanInterruptiblyFailure(Throwable error) {
            taskResult.setException(error);
          }