/**
 * LeaderboardManager.ts
 *
 * Leaderboard: scores, ranking, time periods,
 * pagination, and personal bests.
 *
 * @module gameplay
 */
export type TimePeriod = 'all-time' | 'daily' | 'weekly' | 'monthly';
export interface LeaderboardEntry {
    playerId: string;
    playerName: string;
    score: number;
    rank: number;
    timestamp: number;
    metadata: Record<string, unknown>;
}
export interface LeaderboardDef {
    id: string;
    name: string;
    ascending: boolean;
    maxEntries: number;
    entries: LeaderboardEntry[];
}
export declare class LeaderboardManager {
    private leaderboards;
    private personalBests;
    createBoard(id: string, name: string, ascending?: boolean, maxEntries?: number): LeaderboardDef;
    getBoard(id: string): LeaderboardDef | undefined;
    submitScore(boardId: string, playerId: string, playerName: string, score: number, metadata?: Record<string, unknown>): {
        rank: number;
        isPersonalBest: boolean;
    } | null;
    getTopN(boardId: string, n: number): LeaderboardEntry[];
    getPage(boardId: string, page: number, pageSize?: number): LeaderboardEntry[];
    getPlayerRank(boardId: string, playerId: string): number;
    getPlayerEntry(boardId: string, playerId: string): LeaderboardEntry | undefined;
    getPersonalBest(playerId: string, boardId: string): number | undefined;
    getAroundPlayer(boardId: string, playerId: string, range?: number): LeaderboardEntry[];
    getBoardCount(): number;
    getEntryCount(boardId: string): number;
}
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