# File lib/rabl/engine.rb, line 65
    def to_msgpack(options={})
      include_root = Rabl.configuration.include_msgpack_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)
      Rabl.configuration.msgpack_engine.pack result
    end