/// <reference types="node" />
import { Account, AddressString, NetworkType } from '@neo-one/client-common';
import { HDAccount, HDHandler } from './HDKeyStore';
import { HDStore } from './types';
export declare type Ledger = HDAccount<number>;
export declare type ConnectedLedgerStore = HDStore<number>;
export interface LedgerStore {
    readonly byteLimit: number;
    readonly type: string;
    readonly init: () => Promise<ConnectedLedgerStore>;
}
export declare class LedgerHandler implements HDHandler<number> {
    static readonly suffix: 'ledger';
    readonly byteLimit: number;
    readonly type: string;
    private readonly storePromise;
    private readonly getAccount;
    constructor(options: {
        readonly getAccount: (network: NetworkType, address: AddressString) => Promise<Account>;
        readonly store: LedgerStore;
    });
    sign(options: {
        readonly message: Buffer;
        readonly account: number;
    }): Promise<Buffer>;
    scanAccounts(network: NetworkType, maxOffset?: number): Promise<readonly Ledger[]>;
    close(): Promise<void>;
    private publicKeyToLedgerAccount;
}