### Question:
GlusterWatchKey implements WatchKey { boolean checkModified(GlusterWatchEvent event, long lastModified) { if (lastModified > event.getLastModified()) { event.setLastModified(lastModified); if (event.kind().name().equals(StandardWatchEventKinds.ENTRY_DELETE.name())) { event.setKind(StandardWatchEventKinds.ENTRY_CREATE); event.setCount(0); } else { event.setKind(StandardWatchEventKinds.ENTRY_MODIFY); event.setCount(event.getCount() + 1); } return true; } return false; }  @Override boolean isValid(); boolean update(); @Override synchronized List<WatchEvent<?>> pollEvents(); @Override synchronized boolean reset(); @Override void cancel(); @Override Watchable watchable();  }### Answer:
@Test public void testCheckModified() { }