export interface S3StorageObjectInterface {
    eTag: string;
    key: string;
    lastModified: string;
    size: string | number;
    publicUrl: string;
    previewUrl?: string;
    storageClass: 'STANDARD' | 'STANDARD_IA' | 'GLACIER' | 'RRS';
}
export declare function createS3StorageObject(key: string): S3StorageObjectInterface;