return new NeverScheduledFuture<>();
      }

      @Override
      public long getDelay(TimeUnit unit) {
        return Long.MAX_VALUE;
      }

      @Override
      public int compareTo(Delayed other) {
        return Long.compare(getDelay(NANOSECONDS), other.getDelay(NANOSECONDS));
      }
    }
  }

        return new NeverScheduledFuture<>();
      }

      @Override
      public long getDelay(TimeUnit unit) {
        return Long.MAX_VALUE;
      }

      @Override
      public int compareTo(Delayed other) {
        return Long.compare(getDelay(NANOSECONDS), other.getDelay(NANOSECONDS));
      }
    }
  }

      return new ImmediateScheduledFuture<>(immediateFailedFuture(t));
    }

    ImmediateScheduledFuture(ListenableFuture<V> delegate) {
      super(delegate);
    }

    @Override
    public long getDelay(TimeUnit unit) {
      return 0;
    }

    @Override
    public int compareTo(Delayed other) {
      return 0;
    }
  }

        throws InterruptedException, ExecutionException, TimeoutException {
      Preconditions.checkNotNull(unit, "unit must not be null!");
      return get();
    }

    @Override
    public long getDelay(TimeUnit unit) {
      Preconditions.checkNotNull(unit, "unit must not be null!");
      return 0;
    }

    @Override
    public int compareTo(Delayed other) {

        throws InterruptedException, ExecutionException, TimeoutException {
      Preconditions.checkNotNull(unit, "unit must not be null!");
      return get();
    }

    @Override
    public long getDelay(TimeUnit unit) {
      Preconditions.checkNotNull(unit, "unit must not be null!");
      return 0;
    }

    @Override
    public int compareTo(Delayed other) {

          // to produce the message throws (probably StackOverflowError from delegate.toString())
          try {
            if (timer != null) {
              long overDelayMs = Math.abs(timer.getDelay(MILLISECONDS));
              if (overDelayMs > 10) { // Not all timing drift is worth reporting
                message += " (timeout delayed by " + overDelayMs + " ms after scheduled time)";
              }
            }