* as {@code execute} and {@code invokeAny}, are implemented in terms of calls to {@code
   * delegate.execute}. All other methods are forwarded unchanged to the delegate. This implies that
   * the returned {@code ListeningExecutorService} never calls the delegate's {@code submit}, {@code
   * invokeAll}, and {@code invokeAny} methods, so any special handling of tasks must be implemented

    }
  }

  /** invokeAny(null) throws NPE */
  public void testInvokeAnyImpl_nullTasks() throws Exception {
    ListeningExecutorService e = newDirectExecutorService();
    try {
      invokeAnyImpl(e, null, false, 0, NANOSECONDS);
      fail();
    } catch (NullPointerException success) {
    } finally {
      joinPool(e);
    }
  }

  /** invokeAny(empty collection) throws IAE */

    }
  }

  /** invokeAny(null) throws NPE */
  public void testInvokeAnyImpl_nullTasks() throws Exception {
    ListeningExecutorService e = newDirectExecutorService();
    try {
      invokeAnyImpl(e, null, false, 0, NANOSECONDS);
      fail();
    } catch (NullPointerException success) {
    } finally {
      joinPool(e);
    }
  }

  /** invokeAny(empty collection) throws IAE */