import type { FileAction, InitOptions } from './types.js';
/**
 * Check which rendered files already exist on disk.
 *
 * @param files - Map of relative path → generated content (cluster templates + CLI files).
 * @param gitRoot - Absolute path to the git repository root.
 * @returns Map of conflicting relative paths → existing file content.
 */
export declare function checkConflicts(files: Map<string, string>, gitRoot: string): Map<string, string>;
/**
 * Print a unified diff between the existing and generated file content.
 *
 * Uses the `diff` package's `createTwoFilesPatch()` to produce a standard
 * unified diff with `--- existing` / `+++ generated` headers.
 *
 * @param path - Relative file path (used in the diff header).
 * @param existing - Current file content on disk.
 * @param generated - New content that would be written.
 */
export declare function showDiff(path: string, existing: string, generated: string): void;
/**
 * Resolve per-file actions for all rendered files, handling conflicts.
 *
 * - Non-conflicting files → `'overwrite'` (create new).
 * - `--force` flag → all conflicts → `'overwrite'`.
 * - Files in `MERGE_FILES` → `'merge'` (smart merge handled upstream by
 *   `generateExtensionsJson` in the init flow).
 * - Otherwise → interactive per-file prompt: Overwrite / Skip / Show diff.
 *
 * @param files - Map of relative path → generated content.
 * @param conflicts - Map of conflicting relative paths → existing content.
 * @param options - Resolved init options (uses `force` and `yes` flags).
 * @returns Map of relative path → resolved `FileAction`.
 */
export declare function resolveConflicts(files: Map<string, string>, conflicts: Map<string, string>, options: InitOptions): Promise<Map<string, FileAction>>;
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