# File lib/active_model/serializers/json.rb, line 82
      def encode_json(encoder)
        hash = serializable_hash(encoder.options)
        if include_root_in_json
          custom_root = encoder.options && encoder.options[:root]
          hash = { custom_root || self.class.model_name.element => hash }
        end

        ActiveSupport::JSON.encode(hash)
      end