# File lib/multi_json/adapters/nsjsonserialization.rb, line 20
      def dump(object, options = {})
        pretty = options[:pretty] ? NSJSONWritingPrettyPrinted : 0
        object = object.as_json if object.respond_to?(:as_json)
        if NSJSONSerialization.isValidJSONObject(object)
          data = NSJSONSerialization.dataWithJSONObject(object, :options => pretty, :error => nil)
          NSMutableString.alloc.initWithData(data, :encoding => NSUTF8StringEncoding)
        else
          super(object, options)
        end
      end