/// A keyvalue interface that provides handle-watch operations.
interface handle-watch {
	/// A keyvalue interface that provides handle-watch operations.
	use types.{bucket, key, incoming-value};

	/// Handle the set event for the given bucket and key. 
	/// It returns a incoming-value that can be consumed to get the value.
	on-set: func(bucket: bucket, key: key, incoming-value: incoming-value);

	/// Handle the delete event for the given bucket and key.
	on-delete: func(bucket: bucket, key: key);
}