import type { ApiClient } from '../../ApiClient';
/** @private */
export interface SubscriptionData {
    _id: string;
    sub_plan: string;
    sub_plan_name: string;
    created_at: string;
}
/**
 * A subscription to a Twitch channel.
 */
export declare abstract class Subscription {
    /** @private */ protected readonly _data: SubscriptionData;
    /** @private */ protected readonly _client: ApiClient;
    /** @private */
    constructor(data: SubscriptionData, client: ApiClient);
    /**
     * The ID of the subscription.
     */
    get id(): string;
    /**
     * The identifier of the subscription plan.
     */
    get subPlan(): string;
    /**
     * The name of the subscription plan.
     */
    get subPlanName(): string;
    /**
     * The date when the subscription was started.
     */
    get startDate(): Date;
}