/// <reference types="node" />
import { DataItem, RegistryItem, CryptoKeypath } from '@keystonehq/bc-ur-registry';
import { CryptoCoinIdentity } from '@ngraveio/bc-ur-registry-crypto-coin-identity';
import { SignRequestMeta } from './SignRequestMetadata';
interface ICryptoSignRequestProps {
    requestId?: Buffer;
    coinId: CryptoCoinIdentity;
    derivationPath: CryptoKeypath | string;
    signData: Buffer;
    masterFingerprint?: Buffer;
    origin?: string;
    metadata?: SignRequestMeta | object;
}
export declare class CryptoSignRequest extends RegistryItem {
    private _requestId;
    private coinId;
    private _derivationPath;
    private signData;
    private masterFingerprint?;
    private origin?;
    private metadata?;
    getRegistryType: () => import("@keystonehq/bc-ur-registry").RegistryType;
    constructor({ requestId, coinId, derivationPath, signData, masterFingerprint, origin, metadata, }: ICryptoSignRequestProps);
    private set requestId(value);
    private set derivationPath(value);
    /**
     * A static method to check if provided inputs follow the rules
     */
    static checkInputs: ({ requestId, coinId, signData, masterFingerprint, origin, }: ICryptoSignRequestProps) => void;
    getRequestId: () => Buffer;
    getCoinId: () => CryptoCoinIdentity;
    getDerivationPath: () => CryptoKeypath;
    getSignData: () => Buffer;
    getMasterFingerprint: () => Buffer | undefined;
    getOrigin: () => string | undefined;
    getMetadata: () => SignRequestMeta | undefined;
    /**
     * Converts CryptoSignRequest to an object with tag support
     *
     * @returns {DataItem} DataItem representation of CryptoSignRequest
     */
    toDataItem: () => DataItem;
    /**
     * Finds correspoinding metadata type for given coin id from global `signMetaMap` map
     * If no metadata is found, it will return general `SignRequestMeta` type
     * @param coinId
     * @returns
     */
    static findMetadataType(coinId: CryptoCoinIdentity): typeof SignRequestMeta;
    /**
     * Creates CryptoSignRequest from DataItem
     *
     * @param dataItem object with keys and values of CryptoSignRequest
     * @returns
     */
    static fromDataItem: (dataItem: DataItem) => CryptoSignRequest;
    static fromCBOR: (_cborPayload: Buffer) => CryptoSignRequest;
}
export {};