export declare const isTruthy: (n?: T | false | null | undefined | 0) => n is T; export declare class NetworkOptimizer { private validatorClients; private indexerClients; findOptimalNode(endpointUrls: string[], chainId: string): Promise; findOptimalIndexer(endpointUrls: string[]): Promise; } //# sourceMappingURL=network_optimizer.d.ts.map