import { spawn } from "node:child_process";
import type { ScaffoldInputs } from "./index.js";
export interface WithInitOptions {
    stdout?: NodeJS.WritableStream;
    stderr?: NodeJS.WritableStream;
    /** Override the spawner (tests). Default `node:child_process.spawn`. */
    spawnImpl?: typeof spawn;
}
export declare class WithInitError extends Error {
    constructor(message: string);
}
/**
 * Build the repo's GitHub `--description` (the "About" blurb). Prefers the
 * brief's Purpose section when scaffolding from a brief, else the project
 * description. Collapses whitespace/newlines to a single line and caps the
 * length so a multi-paragraph Purpose doesn't become an unwieldy blurb.
 * Returns `null` when there's nothing meaningful to set.
 */
export declare function repoDescription(inputs: ScaffoldInputs): string | null;
/**
 * Build the repo's GitHub topics: the project type plus the brand preset
 * (skipping `custom`, which isn't a meaningful public topic). Lowercased,
 * de-duplicated, and order-stable. Topic strings from the enums are already
 * GitHub-legal (lowercase, hyphenated).
 */
export declare function repoTopics(inputs: ScaffoldInputs): string[];
/**
 * Runs the post-scaffold git + gh chain that creates the private GitHub repo.
 * THROWS {@link WithInitError} on a hard failure; the caller decides whether to
 * warn-and-proceed (it does — see src/cli.ts).
 */
export declare function runWithInit(inputs: ScaffoldInputs, targetPath: string, opts?: WithInitOptions): Promise<void>;