/// <reference types="node" />
import { DataItem, RegistryItem } from "@keystonehq/bc-ur-registry";
export declare class ArweaveCryptoAccount extends RegistryItem {
    private masterFingerprint;
    private keyData;
    private device?;
    getRegistryType: () => import("@keystonehq/bc-ur-registry").RegistryType;
    constructor(masterFingerprint: Buffer, keyData: Buffer, device?: string);
    getMasterFingerprint: () => Buffer;
    getKeyData: () => Buffer;
    getDevice: () => string;
    toDataItem: () => DataItem;
    static fromDataItem: (dataItem: DataItem) => ArweaveCryptoAccount;
    static fromCBOR: (_cborPayload: Buffer) => ArweaveCryptoAccount;
}