import { AccessKey, User } from '@aws-sdk/client-iam';
import { Credentials, UtilsConfig } from './types';
export declare class Utils {
    private credentials;
    private region;
    private defaultRegion;
    constructor({ credentials, region }: UtilsConfig);
    setCredentials(credentials: Credentials): void;
    setRegion(region: string): void;
    getRegions: () => Promise<string[]>;
    getUser: (userName: string) => Promise<User | undefined>;
    createS3Bucket: (bucketName: string) => Promise<void>;
    createUser: (userName: string) => Promise<User | undefined>;
    createAccessKey: (userName: string) => Promise<AccessKey | undefined>;
    grantBucketReadAccess: (user: User, bucketName: string) => Promise<void>;
}