code: public void addTemplateResolver(final ITemplateResolver templateResolver) {
          Validate.notNull(templateResolver, "Template Resolver cannot be null");
          checkNotInitialized();
          this.templateResolvers.add(templateResolver);
      }
docs: <p>
  Adds a new template resolver to the current set.
  </p>
  
  @param templateResolver the new template resolver.