import { type LocalAppPreviewSnapshot } from '@xopcai/gateway-contract';
export declare class LocalAppSnapshotStore {
    private appRoot;
    private snapshotRoot;
    get(appId: string, sourceHash: string): LocalAppPreviewSnapshot | null;
    packageRoot(appId: string, sourceHash: string): string | null;
    materialize(appId: string, sourceRoot: string, build: (packageRoot: string, sourceHash: string, createdAt: number) => LocalAppPreviewSnapshot): LocalAppPreviewSnapshot;
}