/**
 * Ranking / aggregation. Strength is a win-rate under the Pilot; each row also
 * carries a 95% Wilson confidence interval so callers don't over-read a
 * difference that's within noise. Elo/Glicko is deferred (out of scope).
 */
import type { MatchupResult, StrengthRow } from './types.js';
/**
 * Wilson score interval for a binomial proportion. `successes` may be
 * fractional (ties count as half a win); `n` is the battle count.
 */
export declare function wilsonInterval(successes: number, n: number, z?: number): [number, number];
/** Fractional successes for a matchup: full for wins, half for ties. */
export declare function successes(m: {
    wins: number;
    battles: number;
    winRate: number;
}): number;
/**
 * Build a Strength row for one Team from its per-opponent matchups. Overall
 * Strength is total successes over total battles (a raw win-rate), which for
 * equal battle counts per matchup equals the mean of the per-matchup win-rates.
 */
export declare function buildStrengthRow(team: string, matchups: MatchupResult[]): StrengthRow;
/** Sort strongest first; ties broken by name so the order is deterministic. */
export declare function rankRows(rows: StrengthRow[]): StrengthRow[];