Optionalhandler: OAuth2ACTokenHandler<P, ResBody, ReqBody, ReqQuery, Locals, MetaResType>Optionalhandler: OAuth2BadRequestHandler<P, ResBody, ReqBody, ReqQuery, Locals, MetaResType>Optionalhandler: OAuth2ACTokenHandler<P, ResBody, ReqBody, ReqQuery, Locals, MetaResType>