import { WalletClient } from "./WalletClient.js";
/**
 * Get a wallet client instance
 * @param url Optional URL for remote wallet client
 * @param privateKey Optional private key for authentication
 * @returns A wallet client instance (DB if url is undefined, WalletRemoteClient otherwise)
 */
export declare function getWalletClient(url?: string, privateKey?: Uint8Array): WalletClient;