import { S3 } from 'aws-sdk';
export declare function emptyBucket(s3Handler: S3Handler, bucketName: string): Promise<void>;
export declare class S3Handler {
    private s3;
    constructor();
    listObjects(bucketName: string): Promise<string[]>;
    deleteObject(bucketName: string, key: string): Promise<import("aws-sdk/lib/request").PromiseResult<S3.DeleteObjectOutput, import("aws-sdk").AWSError>>;
    deleteObjects(bucketName: string, keys: string[]): Promise<import("aws-sdk/lib/request").PromiseResult<S3.DeleteObjectOutput, import("aws-sdk").AWSError>[]>;
}