# Package io.vertx.core.json.jackson

- Class Summary
  Class | Description
  --- | ---
  DatabindCodec |
  HybridJacksonPool | This is a custom implementation of the Jackson's `RecyclerPool` intended to work equally well with both platform and virtual threads.
  HybridJacksonPool.StripedLockFreePool |
  JacksonCodec |
  JacksonFactory |
  VertxModule | A Jackson `Module` to provide following VertX Serializers and Deserializers that can be reused for building custom mappers : `JsonObjectSerializer` of `JsonObject` `JsonArraySerializer` of `JsonArray` `JsonArrayDeserializer` of `JsonArray` `JsonObjectDeserializer` of `JsonObject` `InstantSerializer` and `InstantDeserializer` of `Instant` `ByteArraySerializer` and `ByteArraySerializer` of `byte[]` `BufferSerializer` and `BufferSerializer` of `Buffer`