`object
method cgi_properties : (string * string) list
method input_body_size : int64
method input_header : Nethttp.http_header
method output_body_size : int64
method output_header : Nethttp.http_header
method remote_socket_addr : Unix.sockaddr
method request_body_rejected : bool
method request_method : string
method request_uri : string
method response_status_code : int
method server_socket_addr : Unix.sockaddr
end`