import type { MigrationSnapshot } from './app-migration-shared.js';
export declare function migrationEligible(version: string, local: boolean, platform: string, arch: string): boolean;
export declare function migrationStateRoot(dshHome: string, environment: string): string;
export declare function systemDownloadsDirectory(platform?: NodeJS.Platform): Promise<string>;
export declare function revealMigrationFile(path: string, platform?: NodeJS.Platform): Promise<void>;
export declare function openMigrationInstaller(path: string, platform?: NodeJS.Platform): Promise<void>;
interface Options {
    enabled: boolean;
    currentVersion: string;
    platform: string;
    architecture: string;
    stateDirectory: string;
    serviceOrigin: string;
    artifactOrigin: string;
    downloadsDirectory?: () => Promise<string>;
    reveal?: (path: string) => Promise<void>;
    install?: (path: string) => Promise<void>;
    fetch?: typeof fetch;
    now?: () => number;
}
export declare class AppMigrationManager {
    private readonly options;
    private snapshot;
    private stored;
    private ready;
    private tail;
    private running;
    private abort;
    private installing;
    private disposed;
    private saveTail;
    private readonly enabled;
    private readonly now;
    private readonly fetcher;
    private readonly origin;
    private readonly artifactOrigin;
    constructor(options: Options);
    private exclusive;
    private get statePath();
    private save;
    private safeURL;
    private target;
    private initialize;
    private init;
    private validCompleted;
    status(): Promise<MigrationSnapshot>;
    check(manual?: boolean): Promise<MigrationSnapshot>;
    private request;
    download(): Promise<MigrationSnapshot>;
    private transfer;
    cancel(jobId?: string): Promise<MigrationSnapshot>;
    dismiss(): Promise<MigrationSnapshot>;
    private completedFile;
    reveal(jobId?: string): Promise<MigrationSnapshot>;
    install(jobId?: string): Promise<MigrationSnapshot>;
    dispose(): Promise<void>;
}
export declare function publishMigrationFile(source: string, destination: string): Promise<void>;
export {};
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