code: public void addPartials(final Map<String, String> partials) {
  		notNull(partials);
  
  		View view = this.getView();
  		if (view != null && view instanceof MustacheView) {
  			// First try to not pollute model object
  			final MustacheView mustacheView = (MustacheView) view;
  			mustacheView.addAliases(partials);
  		} else {
  			// Otherwise, add partials to model object
  			final Map<String, String> currentPartials = getPartials();
  			for (Map.Entry<String, String> entry : partials.entrySet()) {
  				notNull(entry.getKey());
  				notNull(entry.getValue());
  				currentPartials.put(entry.getKey(), entry.getValue());
  			}
  			super.addObject(MustacheSettings.PARTIALS_KEY, currentPartials);
  		}
  	}
docs: Add new partials mapping to the view.
  
  @param partials Partials.