import Transport from "@ledgerhq/hw-transport-u2f";
import { WalletProvider } from "../../WalletProvider";
import { Transaction } from "../../../common/Transaction";
import { SignedTransaction } from "../../../common/SignedTransaction";
export declare class LedgerProvider implements WalletProvider {
    transport: Transport;
    path: string;
    private address;
    private publicKey;
    constructor();
    private connect;
    unlock(progressCallback: (number: any) => void): Promise<[string, string]>;
    /**
     * get Aion address for a given BIP 32 path.
     * @param path a path in BIP 32 format
     * @option boolDisplay optionally enable or not the display
     * @option boolChaincode optionally enable or not the chaincode request
     * @return an object with a publicKey, address
     * @example
     */
    getAddress(path: string, boolDisplay?: boolean, boolChaincode?: boolean): Promise<{
        publicKey: string;
        address: string;
    }>;
    sign(transaction: Transaction): Promise<SignedTransaction>;
}