import { IFileStorageAttributes } from '../interfaces/fileStorageInterface';
export declare const uploadFileToS3: (localFilePath: string, s3Key: string, s3Bucket?: string) => Promise<string>;
export declare const deleteFilesFromS3: (s3Keys: string[], s3Bucket?: string) => Promise<void>;
export declare const getPresignedUrl: (bucket: string, fileStorage: IFileStorageAttributes, expiresIn?: number) => Promise<string>;