import { S3Client } from '@aws-sdk/client-s3';
import { ConfigService } from '@nestjs/config';
declare const CLIENT_INSTANCE: unique symbol;
export declare class S3Service {
    private readonly config;
    private readonly [CLIENT_INSTANCE];
    readonly privateBucket: string;
    constructor(config: ConfigService);
    get client(): S3Client;
    putItem(key: string, item: any): Promise<{
        Bucket: string;
        Key: string;
    }>;
    getItem(key: string): Promise<any>;
}
export {};