import React from 'react';
interface LeaderboardEntry {
    rank: number;
    userName: string;
    timeElapsed: number;
    hintsUsed: number;
    gameMode: string;
    completedAt?: string;
    totalCost?: number;
    totalTokens?: number;
    aiRequestsUsed?: number;
}
interface LeaderboardProps {
    entries: LeaderboardEntry[];
    count: number;
    mode: string;
    showCostMetrics?: boolean;
}
declare const Leaderboard: React.FC<LeaderboardProps>;
export default Leaderboard;