import type * as SDK from 'balena-sdk'; export declare const isESR: (version: string) => boolean; export declare const getOsType: (version: string) => "default" | "esr"; export declare function downloadOSImage(deviceType: string, outputPath: string, OSVersion: string | undefined, type?: 'installation-media' | 'disk-image'): Promise; export declare function getOsVersions(deviceType: string, esr: boolean, includeDraft: boolean): Promise; export declare function formatOsVersion(osVersion: SDK.OsVersion): string;