import type { UpdateHost } from './updatePreflight';
export interface StagedApp {
    version: string;
    artifact: string;
    installPath: string;
    backupPath: string;
    sha256: string;
}
export declare function stageApp(host: UpdateHost, requested: string, directory: string): Promise<StagedApp>;
/** Replacement is reconciled from owned sibling paths after a helper restart. */
export declare function installStagedApp(staged: StagedApp): void;
//# sourceMappingURL=updateArtifacts.d.ts.map