NGX_HTTP_GZIP_PROXIED_PRIVATE  163 http/ngx_http_core_module.c     { ngx_string("private"), NGX_HTTP_GZIP_PROXIED_PRIVATE },
NGX_HTTP_GZIP_PROXIED_PRIVATE 2121 http/ngx_http_core_module.c         if ((p & NGX_HTTP_GZIP_PROXIED_PRIVATE)