*/
@Bean(name = OBJECT_MAPPER)
@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
public ObjectMapper jackson2ObjectMapper() {
ObjectMapper mapper = new ObjectMapper();
SerializationConfig serializationConfig = mapper.getSerializationConfig();
VisibilityChecker<?> visibilityChecker = serializationConfig.getDefaultVisibilityChecker();
// Field visibility by default.
mapper.setVisibilityChecker(visibilityChecker
.withFieldVisibility(Visibility.ANY)
.withGetterVisibility(Visibility.NONE)
.withSetterVisibility(Visibility.NONE)