You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: cookie.rb
    path of file: ./repos/powerstation/powerstation/lib/compiled-jruby/lib/ruby/stdlib/webrick
    
    the code of the file until where you have to start completion: #
# cookie.rb -- Cookie clas
    
    def to_s
      ret = ""
      ret << @name << "=" << @value
      ret << "; " << "Version=" << @version.to_s if @version > 0
      ret << "; " << "Domain="  << @domain  if @domain
      ret << "; " << "Expires=" << @expires if @expires
      ret << "; " << "Max-Age=" << @max_age.to_s if @max_age
      ret << "; " << "Comment=" << @comment if @comment
      ret << "; " << "Path="    << @path if @path
      ret << "; " << "Secure"   if @secure
      ret
    end