export interface PairingRecord {
    /** Battles Team A won outright. */
    wins: number;
    ties: number;
    battles: number;
    /** Team A's win-rate in [0, 1]; ties count as half. */
    winRate: number;
}
/** One Team-vs-opponent pairing to run, tagged with a caller key. */
export interface MatchupSpec {
    key: string;
    aPacked: string;
    bPacked: string;
    /** Stable indices for reproducible per-Battle seeds (same as RunPairingOptions). */
    teamIndex: number;
    opponentIndex: number;
}
/**
 * Run many pairings at once. Every Battle across every pairing is flattened into
 * one job list and dispatched together, so a worker pool stays saturated instead
 * of idling between pairings (per-pairing dispatch left workers waiting on a
 * single long stall mirror). Seeds are unchanged, so results are identical to
 * running the pairings one at a time.
 */
export declare function runMatchups(specs: MatchupSpec[], battles: number, master: string, maxTurns?: number): Promise<Map<string, PairingRecord>>;