import { S3 } from "@aws-sdk/client-s3";
/**
 * massively parallel download ranges from s3
 * speedy, optimized for large files
 */
export declare const downloadFromS3: ({ s3Client, Bucket, Key, savePath, }: {
    s3Client: S3;
    Bucket: string;
    Key: string;
    savePath: string;
}) => Promise<void>;