code: function(template) {
        if (usesStandardSymbols) {
          return template;
        } else {
          if (!template || !angular.isString(template)) return template;
          return template.replace(/\{\{/g, startSymbol).replace(/}}/g, endSymbol);
        }
      }
docs: Processes a template and replaces the start/end symbols if the application has
  overridden them.
  
  @param template The template to process whose start/end tags may be replaced.
  @returns {*}