if (cause instanceof Error) {
      throw new ExecutionError((Error) cause);
    }
    /*
     * It's an Exception. (Or it's a non-Error, non-Exception Throwable. From my survey of such
     * classes, I believe that most users intended to extend Exception, so we'll treat it like an
     * Exception.)
     */
    throw new UncheckedExecutionException(cause);
  }

  /*

      throw new UnsupportedOperationException();
    }

    @Override
    public E aboveSamplesGreater() {
      throw new UnsupportedOperationException();
    }
  }

  /*
   * TODO(cpovirk): surely we can find a less ugly solution than a class that accepts 3 parameters,
   * exposes as many getters, does work in the constructor, and has both a superclass and a subclass
   */

later.

  However, this bottle was NOT marked `poison,' so Alice ventured
to taste it, and finding it very nice, (it had, in fact, a sort
of mixed flavour of cherry-tart, custard, pine-apple, roast
turkey, toffee, and hot buttered toast,) she very soon finished
it off.

     *       *       *       *       *       *       *

         *       *       *       *       *       *

  /**
   * This is a non-standard media type, but is commonly used in serving hosted binary files as it is
   * <a href="http://code.google.com/p/browsersec/wiki/Part2#Survey_of_content_sniffing_behaviors">
   * known not to trigger content sniffing in current browsers</a>. It <i>should not</i> be used in
   * other situations as it is not specified by any RFC and does not appear in the <a

later.

  However, this bottle was NOT marked `poison,' so Alice ventured
to taste it, and finding it very nice, (it had, in fact, a sort
of mixed flavour of cherry-tart, custard, pine-apple, roast
turkey, toffee, and hot buttered toast,) she very soon finished
it off.

     *       *       *       *       *       *       *

         *       *       *       *       *       *

   * call cancel() and be unable to cancel the delegate.
   * There are a number of ways to solve this, none of which are very pretty, and it is currently
   * believed to be a purely theoretical problem (since the other actions should supply sufficient
   * write-barriers).
   */

  @CheckForNull @LazyInit private ListenableFuture<V> delegateRef;
  @CheckForNull @LazyInit private ScheduledFuture<?> timer;

      throw new UnsupportedOperationException();
    }

    @Override
    public E aboveSamplesGreater() {
      throw new UnsupportedOperationException();
    }
  }

  /*
   * TODO(cpovirk): surely we can find a less ugly solution than a class that accepts 3 parameters,
   * exposes as many getters, does work in the constructor, and has both a superclass and a subclass
   */