Polishing.

Adopt documentation to Jackson 3.

See #2488

Author: mp911de

src/main/antora/modules/ROOT/pages/representations.adoc

@@ -30,15 +30,17 @@ public class MyEntity {
 
 In a default configuration, Jackson has no idea what class to instantiate when POSTing new data to the exporter. This is something you need to tell Jackson either through an annotation, or (more cleanly) by registering a type mapping by using a `Module`.
 
-To add your own Jackson configuration to the `ObjectMapper` used by Spring Data REST, override the `configureJacksonObjectMapper` method. That method is passed an `ObjectMapper` instance that has a special module to handle serializing and deserializing `PersistentEntity` objects. You can register your own modules as well, as the following example shows:
+To add your own Jackson configuration to the `ObjectMapper` used by Spring Data REST, override the `configureJacksonObjectMapper` method.
+That method is passed an `MapperBuilder` instance that has a special module to handle serializing and deserializing `PersistentEntity` objects.
+You can register your own modules as well, as the following example shows:
 
 ====
 [source,java]
 ----
 @Override
-protected void configureJacksonObjectMapper(ObjectMapper objectMapper) {
+public void configureJacksonObjectMapper(MapperBuilder<? extends ObjectMapper, ? extends MapperBuilder<?, ?>> mapperBuilder) {
 
-  objectMapper.registerModule(new SimpleModule("MyCustomModule") {
+  mapperBuilder.addModule(new SimpleModule("MyCustomModule") {
 
     @Override
     public void setupModule(SetupContext context) {
@@ -51,7 +53,8 @@ protected void configureJacksonObjectMapper(ObjectMapper objectMapper) {
 ----
 ====
 
-Once you have access to the `SetupContext` object in your `Module`, you can do all sorts of cool things to configure Jackson's JSON mapping. You can read more about how `Module` instances work on https://wiki.fasterxml.com/JacksonFeatureModules[Jackson's wiki].
+Once you have access to the `SetupContext` object in your `Module`, you can do all sorts of cool things to configure Jackson's JSON mapping.
+You can read more about how `Module` instances work on https://github.com/FasterXML/jackson-databind/wiki/JacksonFeatures[Jackson's wiki].
 
 [[representations.serializers-and-deserializers.serializers]]
 === Adding Custom Serializers for Domain Types