Atomically save a small JSON preferences file
prefs = new TinyPreferences(filename)Make a new instance, data is stored as a JSON file in filename
value = await prefs.get(key)Get a value
await prefs.set(key, value)Set a value
await prefs.delete(key)Delete a key
await prefs.flush()Flush all pending state, automatically called in set/delete for you
Apache-2.0