import Scalar from './scalar';
import GroupElement from './group_element';
import Base from './base';
/**
 * @description base definition for re-encryption key
 */
export default class ReEncryptionKey extends Base {
    private value;
    private internalPublicKey;
    constructor(value: Scalar, internalPublicKey: GroupElement);
    /**
     * @description getting RK number
     */
    getReKey(): Scalar;
    /**
     * @description getting RK point
     */
    getInternalPublicKey(): GroupElement;
    static fromBytes(buffer: number[]): ReEncryptionKey;
    toBytes(): number[];
    static generate(privateKey: Scalar, tempScalar: Scalar, publicKeyPoint: GroupElement, mainPublicKeyPoint: GroupElement): ReEncryptionKey;
}