`object
method cgi_properties : (string * string) list
method error_message : string
method input_body_size : int64
method input_header : Nethttp.http_header
method remote_socket_addr : Unix.sockaddr
method request_method : string
method request_uri : string
method response_status_code : int
method server_socket_addr : Unix.sockaddr
method tls_session_props : Nettls_support.tls_session_props option
end`