/**
 * Whether an AWS call was refused, or may have been taken.
 * `git -C fjall grep -ln 'isAnsweredRefusal(' -- deploy-core/src` lists its
 * readers, and their tests.
 */
/**
 * Whether the AWS service answered the request and refused it: a 4xx carrying
 * a request id, on the only attempt the SDK made. A request the SDK retried
 * may have been taken on an earlier attempt whose answer was lost, and a
 * transport failure or a 5xx says nothing of whether it was taken.
 */
export declare function isAnsweredRefusal(err: unknown): boolean;