$ mvn test   # final migrated project (JacksonJsonSerializer, spring-boot-starter-jackson)
RESULT key=k1 id=o-1 qty=3
BROKERS localhost:PORT
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.478 s -- in com.ankurm.kafka.OrderFlowTest
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO] BUILD SUCCESS

org.apache.kafka:kafka-clients:jar:4.2.1:compile
org.springframework.boot:spring-boot-kafka:jar:4.1.1:compile
org.springframework.kafka:spring-kafka:jar:4.1.1:compile

$ java -cp target/classes:<runtime classpath> SerdeProbe
SERIALIZED {"id":"o-1","qty":3}