AnonymousClassStructureBuilder callBack = Stmt.newObject(AbstractCDIEventCallback.class).extend();
BlockBuilder<AnonymousClassStructureBuilder> callBackBlock;
if (qualifierNames != null) {
callBackBlock = callBack.initialize();
for (String qualifierName : qualifierNames) {
callBackBlock.append(Stmt.loadClassMember("qualifierSet").invoke("add", qualifierName));
}
callBack = callBackBlock.finish();
}