docs: public <T> SerializationConfigurationBuilder addAdvancedExternalizer(int id, AdvancedExternalizer<T> advancedExternalizer) {
        AdvancedExternalizer<?> ext = advancedExternalizers.get(id);
        if (ext != null)
           throw new CacheConfigurationException(String.format(
                 "Duplicate externalizer id found! Externalizer id=%d for %s is shared by another externalizer (%s)",
                 id, advancedExternalizer.getClass().getName(), ext.getClass().getName()));
  
        advancedExternalizers.put(id, advancedExternalizer);
        return this;
     }