# File lib/em-twitter/request.rb, line 15
      def to_s
        content = query

        data = []
        data << "#{request_method} #{request_uri} HTTP/1.1"
        data << "Host: #{@options[:host]}"

        if gzip?
          data << 'Connection: Keep-Alive'
          data << 'Accept-Encoding: deflate, gzip'
        else
          data << 'Accept: */*'
        end

        data << "User-Agent: #{@options[:user_agent]}" if @options[:user_agent]
        if put_or_post?
          data << "Content-Type: #{@options[:content_type]}"
          data << "Content-Length: #{content.bytesize}"
        end
        data << "Authorization: #{oauth_header}" if oauth?
        data << "Authorization: #{basic_auth_header}" if basic_auth?
        data << "Proxy-Authorization: Basic #{proxy.header}" if proxy?

        @options[:headers].each do |name, value|
          data << "#{name}: #{value}"
        end

        data << "\r\n"
        data = data.join("\r\n")
        data << content if post? || put?
        data
      end