/// <reference types="node" />
import { Services } from "@ardenthq/sdk";
export declare class LedgerService extends Services.AbstractLedgerService {
    #private;
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    getVersion(): Promise<string>;
    getPublicKey(path: string): Promise<string>;
    signTransaction(path: string, payload: Buffer): Promise<string>;
}