import { Ref } from './common';
import { IPage } from './page';
import { IUser } from './user';
export declare const SubscriptionStatusType: {
    readonly SUBSCRIBE: "SUBSCRIBE";
    readonly UNSUBSCRIBE: "UNSUBSCRIBE";
};
export declare const AllSubscriptionStatusType: ("SUBSCRIBE" | "UNSUBSCRIBE")[];
export type SubscriptionStatusType = (typeof SubscriptionStatusType)[keyof typeof SubscriptionStatusType];
export interface ISubscription {
    user: Ref<IUser>;
    targetModel: string;
    target: Ref<IPage>;
    status: string;
    createdAt: Date;
    isSubscribing(): boolean;
    isUnsubscribing(): boolean;
}