bool body_get(JSContext *cx, unsigned argc, Value *vp) {
  METHOD_HEADER(0)
  return RequestOrResponse::body_get(cx, args, self, is_downstream(self));
}
bool body_get(JSContext *cx, unsigned argc, Value *vp) {
  METHOD_HEADER(0)
  return RequestOrResponse::body_get(cx, args, self, is_downstream(self));
}