6a51da65e6
JIRA: https://jira.spring.io/browse/INT-4185 Even if `WatchEventType` doesn't expose Java 7 API, its instantiation leads to the `StandardWatchEventKinds` object which already isn't Java 6 * Move `this.watchEvents = new WatchEventType[] { WatchEventType.CREATE }` to the ctor and guard it with the `ClassUtils.isPresent("java.nio.file.WatchService")` Assertions for `WatchService`-based setters