import { S3Client } from '@aws-sdk/client-s3';
import { Readable } from 'stream';
import { StreamingBlobPayloadInputTypes } from '@smithy/types/dist-types/streaming-payload/streaming-blob-payload-input-types';
import { UploadParams } from './s3.interface';
export declare class S3Service {
    private readonly options;
    private readonly s3Client;
    private readonly logger;
    private readonly bucket;
    constructor(options: Record<string, string>, s3Client: S3Client);
    upload(key: string, body: StreamingBlobPayloadInputTypes, contentType?: string, params?: UploadParams): Promise<void>;
    uploadObject(key: string, body: StreamingBlobPayloadInputTypes, contentType?: string, params?: UploadParams): Promise<void>;
    deleteObject(key: string, bucket?: string): Promise<void>;
    getObject(key: string, bucket?: string): Promise<Readable>;
}