Kafka connector document code sink has an error

KafkaSink<String> sink = KafkaSink.<String>builder()
        .setBootstrapServers(brokers)
        .setRecordSerializer(KafkaRecordSerializationSchema.builder()
            .setTopic("topic-name")
            .setValueSerializationSchema(new SimpleStringSchema())
            .setDeliveryGuarantee(DeliveryGuarantee.AT_LEAST_ONCE)
            .build()
        )
        .build(); 

KafkaSink<String> sink = KafkaSink.<String>builder()
        .setBootstrapServers(brokers)
        .setRecordSerializer(KafkaRecordSerializationSchema.builder()
            .setTopic("topic-name")
            .setValueSerializationSchema(new SimpleStringSchema())
            .build()
        )
      .setDeliveryGuarantee(DeliveryGuarantee.AT_LEAST_ONCE)
      .build();