/**
 * List every file emitted under a scaffold project using POSIX-style paths.
 *
 * @param rootDir Root project directory to scan recursively.
 * @returns Sorted relative file paths suitable for dry-run preview output.
 */
export declare function listRelativeProjectFiles(rootDir: string): Promise<string[]>;
/**
 * Ensure a dry-run target would be legal before rendering into a temp preview.
 *
 * @param projectDir Real target project directory requested by the user.
 * @param allowExistingDir Whether existing target directories are allowed.
 * @throws Error when the target exists, is non-empty, and is not allowed.
 */
export declare function assertDryRunTargetDirectoryReady(projectDir: string, allowExistingDir: boolean): Promise<void>;
/**
 * Read script names from the package manifest emitted by a scaffold run.
 *
 * @param projectDir Generated project directory containing package.json.
 * @returns Script names, or undefined when the manifest is absent or invalid.
 */
export declare function readGeneratedPackageScripts(projectDir: string): Promise<string[] | undefined>;