import type { AppConfig, NetworkClient } from '@sudobility/types';
interface IndexerIndexerLeaderboardResponse {
    success: boolean;
    leaderboard?: any[];
    message?: string;
}
interface IndexerPublicStatsResponse {
    success: boolean;
    stats?: any;
    message?: string;
}
declare class IndexerService {
    private static instance;
    private static instanceNetworkClient;
    private indexerClient;
    private cache;
    private readonly CACHE_TTL;
    constructor(config: AppConfig, networkClient: NetworkClient);
    static getInstance(config: AppConfig, networkClient: NetworkClient): IndexerService;
    private getCacheKey;
    private getCache;
    private setCache;
    getLeaderboard(count?: number): Promise<IndexerIndexerLeaderboardResponse>;
    getPublicStats(): Promise<IndexerPublicStatsResponse>;
    clearCache(): void;
}
export { IndexerService };
//# sourceMappingURL=indexer-service.d.ts.map