code: protected IModel<String> newIModel(final String key)
  	{
  		return ResourceModelFactory
  			.newResourceModel(ResourceBundleKey.builder().key(key).defaultValue("").build(), this);
  	}
docs: Creates a new {@link IModel} from the given key.
  
  @param key
  the key
  @return the new {@link IModel} from the given key.