import { ISubscription, EventType, IWebhook, ICriteria, SubscriptionStatus } from '../../types';
/**
 * Implementation of base subscription.
 */
export declare abstract class Subscription implements ISubscription {
    eventType: EventType;
    webhook: IWebhook;
    criteria: ICriteria;
    status: SubscriptionStatus;
    /**
     * Returns a new `Subscription` that is used to create a new subscription.
     *
     * @param eventType Event type. An [[EventType]] object.
     * @param webhook An [[IWebhook]] object.
     * @param criteria An [[ICriteria]] object.
     * @param status Status of subscription. An [[SubscriptionStatus]] object.
     */
    constructor(eventType: EventType, webhook: IWebhook, criteria: ICriteria, status?: SubscriptionStatus);
}