/**
 * rules-tree-scanner — walks every markdown file under `.claude/rules/`
 * (recursive) and returns each file's raw lines for the classifier.
 *
 * Per `static-scan-must-cover-skills-tree-not-just-src.md` and the L2
 * redesign §5.2, the audit must cover .claude/rules in addition to skills.
 */
import type { MarkdownLine, ScanWarning } from '../types.js';
export interface RulesTreeScanInput {
    readonly projectRoot: string;
}
export interface RulesTreeScanResult {
    readonly lines: readonly MarkdownLine[];
    readonly warnings: readonly ScanWarning[];
}
export declare function scanRulesTree(input: RulesTreeScanInput): RulesTreeScanResult;