/**
 * `cleo lean gain`: the measured ct-lean scoreboard (T13669).
 *
 * Mirrors Ponytail 5.1.0's `/ponytail-gain` (DietrichGebert, MIT): it shows
 * benchmark averages and never a per-repo savings number, because the
 * unbuilt version of a live repo was never written, so there is nothing real
 * to subtract from. The only counted per-repo figure is `cleo lean debt`.
 *
 * The numbers are the T13424 benchmark (research doc
 * `t13424-ct-lean-vs-ponytail-benchmark`). Update {@link LEAN_GAIN} when a
 * newer run (T13672) is published.
 *
 * @task T13669
 * @epic T13418
 */
import type { LeanGainReport } from '@cleocode/contracts';
/** The measured scoreboard. Shares are totals over 24 cells per arm vs no skill. */
export declare const LEAN_GAIN: LeanGainReport;
/**
 * Render the scoreboard as plain-text bars (ct-lean share of the baseline).
 *
 * @param report - the scoreboard (default {@link LEAN_GAIN}).
 * @returns the card, one line per metric.
 */
export declare function renderLeanGain(report?: LeanGainReport): string;
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