import { ec } from 'elliptic';
import { Curve } from '../curve';
import Scalar from '../scalar';
import PublicKey from './public';
import KeyBase from './base';
/**
 * @description base implementation for EC Private keys
 */
export default class PrivateKey extends KeyBase {
    private readonly value;
    private publicKey;
    constructor(value: Scalar, pubKey?: PublicKey);
    /**
     * @description generating PrivateKey
     */
    static generate(seed?: ec.GenKeyPairOptions, curve?: Curve): PrivateKey;
    /**
     * @description getting the big integer which is representing this Private Key.
     */
    valueOf(): Scalar;
    /**
     * @description getting generated PublicKey
     */
    getPublicKey(): PublicKey;
    /**
     * @description get BigInteger from big endian ordered bytes
     */
    static fromBytes(buffer: number[]): PrivateKey;
    toBytes(): number[];
}