in jackson/src/java/org/apache/fulcrum/json/jackson/JacksonMapperService.java [290:299]
private <T> void setCustomIntrospectorWithExternalFilterId(
Class<T> externalFilterId) {
if (primary instanceof CustomIntrospector && externalFilterId != null) {
((CustomIntrospector) primary)
.setExternalFilterClasses(externalFilterId);
getLogger().debug(
"added class from filters "
+ externalFilterId.getName());
}
}