/// <reference types="node" />
import { Uploader } from "./types/interfaces";
import { Readable } from "stream";
import { Logger } from "eyevinn-iaf";
/**
 * S3 Uploader class
 * Holds the S3 client that data will be piped through for upload to ingest bucket
 */
export declare class S3Uploader implements Uploader {
    destination: string;
    outputDestination: string;
    outputFiles: any;
    region: string;
    timeout: number;
    logger: Logger;
    constructor(destination: string, outputDestination: string, awsRegion: string, outputFiles: {}, logger: Logger, watcherTimeout?: number);
    /**
     * Uploads a file to the destination bucket
     * @param fileStream a Readable stream of the file to upload
     * @param fileName the name of the uploaded file (this will be the S3 key)
     * @returns status report from the AWS upload
     */
    upload(fileStream: Readable, fileName: string): Promise<import("@aws-sdk/client-s3").ServiceOutputTypes>;
    /**
     * Watches for an object to be uploaded to S3
     * @param fileName the name of the file to wait for
     * @returns An object with the S3 paths to the files if they have been uploaded successfully.
     * Else an object with the error message if the file has not been uploaded within the timeout period.
     */
    watcher(fileName: string): Promise<{} | {
        outputs: {};
        error: {};
    }>;
}