import { type AgentVariant } from './service';
export type StandingTournament = {
    id: string;
    taskType: string;
    windowStart: number;
    windowEnd: number;
};
export declare function getOrCreateStandingTournament(taskType: string, opts?: {
    windowSecs?: number;
    budgetUsd?: number;
    maxParticipants?: number;
}): StandingTournament;
export type RouteDecision = {
    variant: AgentVariant;
    tournamentId: string;
    decisionId: string;
    strategy: 'thompson' | 'promoted' | 'fallback';
};
export declare function isBanditRoutingEnabled(): boolean;
export declare function routeVariant(taskType: string, opts?: {
    agentId?: string;
    forceStrategy?: RouteDecision['strategy'];
}): RouteDecision | null;
export declare function listTaskTypes(): string[];
export type SweepResult = {
    taskType: string;
    promoted: boolean;
    reason?: string;
    variantId?: string;
};
export declare function sweepPromotions(opts?: {
    minSamples?: number;
    pThreshold?: number;
}): Promise<SweepResult[]>;