export declare function deleteCOSLongAgoObject({ secretId, secretKey, bucket, region, prefix, keepNumber, }: {
    secretId: string;
    secretKey: string;
    bucket: string;
    region: string;
    prefix: string;
    keepNumber?: number;
}): Promise<unknown>;
export declare function deleteCOSEmptyFolder({ secretId, secretKey, bucket, region, prefix, }: {
    secretId: string;
    secretKey: string;
    bucket: string;
    region: string;
    prefix: string;
}): Promise<unknown>;