/// <reference types="node" />
import { UploadS3_IMGUP } from "../types";
/**
 * Handle upload to S3
 *
 */
export declare class uploadS3 {
    private region;
    private accessKey;
    private secretKey;
    private bucket_name;
    private aws_url;
    /**
     *
     * @param region
     * @param accessKey
     * @param secretKey
     * @param bucket_name
     * @param aws_url
     */
    constructor(region: string, accessKey: string, secretKey: string, bucket_name: string, aws_url?: string);
    /**
     *
     * @returns
     */
    private s3Client;
    /**
     * @function
     * @name uploadFileAWSService
     * @description Service to upload a file to AWS.
     * @param { Buffer } buffer
     * @param { string } key
     * @returns { Promise }
     */
    upload(buffer: Buffer, filename: string): Promise<UploadS3_IMGUP>;
}