/**
 * Personal token-value scorecard (Spec 25 Q2). Turns paired WITH/WITHOUT cells
 * into the honest "does it help on YOUR repo?" verdict — the same metrics the
 * README Value Scorecard publishes (cost + round-trips at equal correctness),
 * measured locally. Pure + deterministic.
 */
import type { Cell } from './measure.js';
export type Verdict = 'helps' | 'break-even' | "doesn't help here";
export interface Scorecard {
    costWithout: number;
    costWith: number;
    costDeltaPct: number;
    turnsWithout: number;
    turnsWith: number;
    turnsDeltaPct: number;
    correctWithout: number;
    correctWith: number;
    freshWithout: number;
    freshWith: number;
    runsPerArm: number;
    verdict: Verdict;
}
/**
 * Verdict rule, deliberately conservative and honest:
 * - if WITH is less correct than WITHOUT → "doesn't help here" (never trade accuracy)
 * - else if cost AND round-trips both improve by >5% → "helps"
 * - else if either regresses by >5% → "doesn't help here"
 * - otherwise → "break-even"
 */
export declare function verdict(sc: Omit<Scorecard, 'verdict'>): Verdict;
export declare function computeScorecard(without: Cell, withCell: Cell): Scorecard;
/** Render the scorecard as a human-readable block for the terminal. */
export declare function renderScorecard(sc: Scorecard, opts: {
    tasks: number;
    mock?: boolean;
}): string;
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