code: public static OperationBuilder gzipStreamCompression()
     {
        return new Response() {
  
           @Override
           public void performHttp(HttpServletRewrite event, EvaluationContext context)
           {
              withOutputStreamWrappedBy(new GZipResponseStreamWrapper()).perform(event, context);
           }
  
           @Override
           public String toString()
           {
              return "Response.gzipCompression()";
           }
  
        };
     }
docs: Compress the {@link ServletOutputStream} contents written to the client.
  <p>
  <b>WARNING</b>: This means that the HTTP response will not contain a 'Content-Length' header.