--- tools.jackson.databind.ObjectMapper --- enableDefaultTyping ABSENT activateDefaultTyping ABSENT setSerializationInclusion ABSENT registerModule ABSENT addMixIn ABSENT total set*() mutators: 0 --- tools.jackson.databind.json.JsonMapper.Builder --- activateDefaultTyping present deactivateDefaultTyping present polymorphicTypeValidator present changeDefaultPropertyInclusion present serializationInclusion ABSENT