The restore extension.

        :param builder: The query builder
        :type builder: orator.orm.builder.Builder

def _restore(self, builder):
        """
        The restore extension.

        :param builder: The query builder
        :type builder: orator.orm.builder.Builder
        """
        builder.with_trashed()

        return builder.update({builder.get_model().get_deleted_at_column(): None})