import TransportWebUsb from '@ledgerhq/hw-transport-webusb';
import { PublicKey, Transaction } from '@solana/web3.js';
export declare class Kin4Ledger {
    transport: typeof TransportWebUsb;
    connected: boolean;
    private connect;
    getPublicKey: (account: number) => Promise<PublicKey>;
    getPublicKeyWithDisplay: (account: number) => Promise<PublicKey>;
    signTransaction: (account: number, transaction: Transaction) => Promise<Transaction>;
}