import { type InitManifest } from "./init-manifest.js";
import { type FileSnapshot, type WrittenFile } from "./init-transaction-io.js";
export declare function writeBackup(projectDir: string, previous: readonly FileSnapshot[], sourceManifest: InitManifest | null, createdDirs: Set<string>): {
    readonly relativePath: string;
    readonly ownedFiles: readonly string[];
} | null;
export declare function cleanupOwnedFiles(projectDir: string, paths: readonly string[]): void;
export declare function rollback(projectDir: string, written: readonly WrittenFile[], createdDirs: Set<string>): void;