interface PruneCacheBucketProps {
    bucketName: string;
    currentBuildId: string;
}
/**
 * Given `bucketName` and `currentBuildId`, list all objects in the cache bucket
 * and delete any that have BUILD_ID prefixes that don't match the current build ID.
 * Cache objects are prefixed with {buildId}/ pattern (no leading slash).
 */
export declare function pruneCacheBucket(props: PruneCacheBucketProps): Promise<void>;
export {};