# File lib/rabl/engine.rb, line 56
    def to_json(options={})
      include_root = Rabl.configuration.include_json_root
      include_child_root = Rabl.configuration.include_child_root
      options = options.reverse_merge(:root => include_root, :child_root => include_child_root)
      result = collection_root_name ? { collection_root_name => to_hash(options) } : to_hash(options)
      format_json(result)
    end