import { SuiClient } from "@mysten/sui/client";
import type { NetworkName } from "./types.js";
/**
 * Default RPC endpoint URLs for SuiMultiClient.
 * Manually tested for the last time on September 2024.
 */
export declare const RPC_ENDPOINTS: Record<NetworkName, string[]>;
/**
 * A result returned by `measureRpcLatency`.
 */
export type RpcLatencyResult = {
    endpoint: string;
    latency?: number;
    error?: string;
};
/**
 * Measure Sui RPC latency by making requests to various endpoints.
 */
export declare function measureRpcLatency({ endpoints, rpcRequest, }: {
    endpoints: string[];
    rpcRequest?: ((client: SuiClient) => Promise<void>) | undefined;
}): Promise<RpcLatencyResult[]>;
/**
 * Instantiate SuiClient using the RPC endpoint with the lowest latency.
 */
export declare function newLowLatencySuiClient({ endpoints, rpcRequest, }: {
    endpoints: string[];
    rpcRequest?: (client: SuiClient) => Promise<void>;
}): Promise<SuiClient>;