, itrResourcePath :: !(Maybe [String])
, itrRequest :: !(TVar (Maybe Request)) -- FIXME: TVar である必要無し
, itrResponse :: !(TVar Response)
, itrResourcePath :: !(Maybe [String])
, itrRequest :: !(TVar (Maybe Request)) -- FIXME: TVar である必要無し
, itrResponse :: !(TVar Response)