import { S3Client } from "@aws-sdk/client-s3";
interface DirectoryStats {
    totalFiles: number;
    totalFolders: number;
    totalSize: number;
    fileList: string[];
}
interface UploadResult {
    fileCount: number;
    totalSize: number;
    s3Key: string;
}
interface DownloadResult {
    fileCount: number;
    folderCount: number;
    totalSize: number;
    fileList: string[];
}
export declare const generateRandomHash: (length: number) => string;
export declare function generateDateTimeStamp(): string;
export declare const isValidBucketName: (name: string) => boolean;
export declare function uploadFile(s3Client: S3Client, bucketName: string, filePath: string, destinationPath: string, isPublic?: boolean): Promise<UploadResult>;
export declare function uploadDirectory(s3Client: S3Client, bucketName: string, dirPath: string, destinationPath: string, isPublic?: boolean): Promise<UploadResult>;
export declare function zipDirectory(sourceDir: string, outPath: string): Promise<number>;
export declare function downloadFromS3Helper(s3Client: S3Client, bucketName: string, s3Path: string, localPath: string): Promise<DownloadResult>;
export declare function downloadFile(s3Client: S3Client, bucketName: string, s3Key: string, localFilePath: string): Promise<void>;
export declare function unzipFile(zipPath: string, destPath: string): Promise<DirectoryStats>;
export declare function getDirectoryStats(dirPath: string): Promise<DirectoryStats>;
export declare function emptyBucket(s3Client: S3Client, bucketName: string): Promise<void>;
export declare function deleteBucket(s3Client: S3Client, bucketName: string): Promise<void>;
export declare function formatSize(bytes: number): string;
export {};