@Override
    public boolean isRegistered(Class<?> typeClass)
    {
        BaseHS<?> hs = pojoMapping.get(typeClass);
        return hs != null && !(hs instanceof Lazy);
    }
Register a {@link Delegate} and assign an id.
<p>
Delegate ids start at 1.
protostuff-runtime-registry/src/main/java/io/protostuff/runtime/IncrementalIdStrategy.java