'Batch actions on the collection become methods on both
the collection manager and iterators.'

def _load_batch_actions(self, attrs, resource_name, collection_model, service_model, event_emitter):

    for action_model in collection_model.batch_actions:
        snake_cased = xform_name(action_model.name)
        attrs[snake_cased] = self._create_batch_action(resource_name, snake_cased, action_model, collection_model, service_model, event_emitter)
