try {
final Constructor<ApplicationFilterConfig> cons = ApplicationFilterConfig.class.getDeclaredConstructor(Context.class, FilterDef.class);
if (!cons.isAccessible()) {
cons.setAccessible(true);
}
final ApplicationFilterConfig config = cons.newInstance(context, filterDef);
((Map<String, ApplicationFilterConfig>) Reflections.get(context, "filterConfigs")).put(filterDef.getFilterName(), config);
} catch (final Exception e) {
throw new IllegalStateException(e);
}
}