internal class RawHttpHandler
  {
    public static IHttpHandler Handle(IHttpRequest r)
    {
      if (r.HttpMethod == HttpMethods.Options)
        return EmitGlobalHeadersHandler.Instance;

      return null;
    }
  }

  internal class EmitGlobalHeadersHandler : IHttpHandler
  {
    private static EmitGlobalHeadersHandler instance = null;

    public static EmitGlobalHeadersHandler Instance
    {
      get
      {
        if (instance == null)
          instance = new EmitGlobalHeadersHandler();

        return instance;
      }
    }

    private EmitGlobalHeadersHandler()
    {
    }

    public bool IsReusable
    {
      get { return true; }
    }

    public void ProcessRequest(HttpContext context)
    {
      context.Response.EndRequest();
    }
  }