If a Pojo can't be simply bound to a sling resource type or no resource types exist for the resource then pass
this lookup class back and programmatically return the Pojos to use.
class that will manage the lookups for this model
public abstract boolean isDefault
Mark this as the default model for the category. If no model is found in the resource type registration or in
the model lookup calls a model with this attribute set to true will be used. Only one default model is allowed
Use this to signal to the framework to managed this object via a different interface. This is especially useful
if this model also uses SlingModels. This value should track one of the adapters registrations.