/**
 * Line cap above which LCS is skipped. Must stay equal to `DIFF_LINE_CAP`
 * in `diff-engine.ts` — both modules share `lcs.ts` and degrade in
 * lock-step. A unit test pins these equal.
 */
export declare const MAX_DIFF_LINES = 5000;
export declare function computeDiffSummary(oldMarkdown: string, newMarkdown: string): string;
//# sourceMappingURL=diff-summary.d.ts.map