TrustedListenableFutureTask.this.set(result);
    }

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

    @Override
    String toPendingString() {
      return callable.toString();
    }
  }

  @WeakOuter
  private final class TrustedFutureInterruptibleAsyncTask
      extends InterruptibleTask<ListenableFuture<V>> {

      result = "running=[RUNNING ON " + ((Thread) state).getName() + "]";
    } else {
      result = "running=[NOT STARTED YET]";
    }
    return result + ", " + toPendingString();
  }

  abstract String toPendingString();