code: public ContextTypeRegistry getTemplateContextRegistry() {
  		if (fContextTypeRegistry == null) {
  			ContributionContextTypeRegistry registry = new ContributionContextTypeRegistry();
  			registry.addContextType(CardContextType.CONTEXT_TYPE);
  
  			fContextTypeRegistry = registry;
  		}
  
  		return fContextTypeRegistry;
  	}
docs: Returns the template context type registry for the html plugin.
  
  @return the template context type registry for the html plugin