Logger defines the logger.

NewFakeWatcher returns a fake Watcher for use in tests.

NewLogWatcher returns a new LogWatcher, or returns an error.

Event is a generalisation of events sent from the watcher to its listeners.

FakeWatcher implements an in-memory Watcher.

LogWatcher implements a Watcher for watching real filesystems.

Watcher describes an interface for filesystem watching.

Option used to set trailer options.