import { type AgentVariant, type RecordEntryResult } from './service';
export type TournamentStatus = 'pending' | 'running' | 'completed' | 'failed';
export type TournamentOptions = {
    taskType: string;
    maxParticipants: number;
    budgetCap: number;
    policy?: Record<string, unknown>;
    receiptId?: string | null;
};
export type Tournament = {
    id: string;
    taskType: string;
    status: TournamentStatus;
    maxParticipants: number;
    budgetCap: number;
    participants: AgentVariant[];
    startedAt: number;
    completedAt: number | null;
    winnerVariantId: string | null;
};
export declare function createTournament(opts: TournamentOptions): Tournament;
export type MarkStatusResult = {
    ok: true;
} | {
    ok: false;
    error: string;
};
export declare function markTournamentStatus(id: string, status: TournamentStatus, winnerVariantId?: string | null): MarkStatusResult;
export declare function recordParticipantResult(params: {
    tournamentId: string;
    variantId: string;
    performanceEventId?: string | null;
    qualityScore?: number | null;
    cost?: number | null;
    latencyMs?: number | null;
    outcome?: string | null;
}): RecordEntryResult;
export declare function getTournament(id: string): Tournament | null;
export declare function totalTournamentCost(tournamentId: string): number;