import { Express } from 'express';
import { ethers, Wallet } from 'ethers';
import { WalletWrapper } from './wrapper';
/**
 * Leverages `JsonRpcEngine` to intercept account-related calls, and pass any other calls down to a destination
 * provider, e.g. Infura.
 */
declare class WalletMiddlewareServer {
    alwaysSynced: boolean;
    expressServer: Express;
    mockFilters: boolean;
    privateKeys?: string[];
    seedPhrase?: string;
    seedPhraseWallets: number;
    wrapper: WalletWrapper;
    constructor(seed_phrase: string, seed_phrase_wallets: number, private_keys: string[], interleave_blocks: number, gas_price: number, gas_limit: number, estimate_gas_limit: boolean, estimate_gas_price: boolean, always_synced: boolean, mock_filters: boolean, gas_price_factor: number, gas_limit_factor: number, force_eip_155: boolean, force_eip_1559: boolean, eth_gas_price_factor: boolean, provider?: ethers.providers.JsonRpcProvider);
    /**
     * Initializes the Express server, configures CORS, and passes requests back and forth between the Express server and
     * the `JsonRpcEngine`.
     */
    initialize(): this;
    traceWallet(index: number, wallet: Wallet): Promise<void>;
    /**
     * Tells the Express server to start listening.
     */
    listen(port: number, hostname?: string): Promise<this>;
}
export { WalletMiddlewareServer };
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