public String toString() {
      return "InstantiatorAttributesHolder[irName=" + instantiatorName + ",idName="
          + instantiatedName + ",id=" + id
          + (eventId != null ? ",this.eventId=" + eventId : "")
          + (context != null ? ",this.context=" + context : "") + "]";
    }
Lazily creates a new {@code Instantiator} with the given class and id.

This method is only called when server connection and CacheClientUpdaterThread

@throws IllegalArgumentException The instantiator cannot be created
@throws IllegalStateException The instantiator cannot be registered
geode-core/src/main/java/org/apache/geode/internal/InternalInstantiator.java