/**
 * roadmap-mermaid-graphs migration (html-roadmap-view/AC-37, AC-38, safe tier): remove
 * the two Mermaid graphs `aidlc roadmap view` replaced.
 *
 * Until 2026-10-06 every item move rebuilt `.aidlc/roadmap/graph-backlog.mmd` and
 * `graph-full.mmd`. Nothing updates them now, so an install that keeps them keeps a
 * picture of the roadmap that drifts further from the items with every move — and a stale
 * picture misleads worse than a missing one.
 *
 * Deleted only while the first line is still the header the generator wrote, the rule
 * `stale-idea-skill` applies for the same reason: a file someone replaced with their own
 * content under the same name is theirs, and is left in place and reported.
 */
import type { Migration } from '../types.js';
interface Found {
    generated: string[];
    foreign: string[];
}
export declare function findMermaidGraphs(projectRoot: string): Found;
export declare const roadmapMermaidGraphs: Migration;
export {};
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