}

  @J2ktIncompatible
  @GwtIncompatible // reflection
  private static int bucketsOf(HashMap<?, ?> hashMap) throws Exception {
    Field tableField = HashMap.class.getDeclaredField("table");
    tableField.setAccessible(true);
    Object[] table = (Object[]) tableField.get(hashMap);
    // In JDK8, table is set lazily, so it may be null.
    return table == null ? 0 : table.length;
  }

  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  private static int bucketsOf(HashMap<?, ?> hashMap) throws Exception {
    Field tableField = HashMap.class.getDeclaredField("table");
    tableField.setAccessible(true);
    Object[] table = (Object[]) tableField.get(hashMap);
    // In JDK8, table is set lazily, so it may be null.
    return table == null ? 0 : table.length;
  }