@SuppressWarnings({"unchecked"})
private <T> List<Class<? extends T>> findAcceptedHandlerParameters() {
final List<Class<? extends T>> handlerParameters = new LinkedList<Class<? extends T>>();
for (Method m : ReflectionUtils.methodsOf(invoker.getTargetType())) {
if (m.isAnnotationPresent(CommandHandler.class)) {
handlerParameters.add((Class<T>) m.getParameterTypes()[0]);
}
}
return handlerParameters;
}