pub fn fold_kafka_source_config_option<F, T, T2>(
folder: &mut F,
node: KafkaSourceConfigOption<T>,
) -> KafkaSourceConfigOption<T2>
pub fn fold_kafka_source_config_option<F, T, T2>(
folder: &mut F,
node: KafkaSourceConfigOption<T>,
) -> KafkaSourceConfigOption<T2>