@abstractmethod<EOL><INDENT>def on_effect_updated(self, effect, update_type, index, origin, **kwargs):<DEDENT>
pass<EOL>
Called when changes occurs in any :class:`.Effect`

:param Effect effect: Effect changed
:param UpdateType update_type: Change type
:param int index: Effect index (or old index if update_type == UpdateType.DELETED)
:param Pedalboard origin: Pedalboard that the effect is (or has) contained