import { OneSignalOptions } from '../interface';
interface OnsSignalSubscribed {
    isSubscribed: boolean;
    userId: string;
    registrationId: string;
    notificationPermission: string;
    optedOut: boolean;
    serviceWorkerActive: string;
}
export declare class OneSignalService {
    private readonly doc;
    private readonly options;
    private scriptinitalize;
    private readonly scriptURL;
    private readonly isSupportedSubject$;
    private readonly SubscribeStateSubject$;
    private readonly isOptedOutSubject$;
    private readonly isPushNotificationsEnabledSubject$;
    private readonly userIdSubject$;
    /**
     * @see {@link https://documentation.onesignal.com/docs/web-push-sdk#ispushnotificationssupported}
     */
    readonly isSupported$: import("rxjs").Observable<boolean>;
    /**
     * @see {@link https://documentation.onesignal.com/docs/web-push-sdk#ispushnotificationsenabled}
     */
    readonly isPushNotificationsEnabled$: import("rxjs").Observable<boolean>;
    /**
     * @see {@link https://documentation.onesignal.com/docs/troubleshooting-web-push#3-check-if-you-are-subscribed}
     */
    readonly subscribeState$: import("rxjs").Observable<OnsSignalSubscribed>;
    /**
     * @see {@link https://documentation.onesignal.com/docs/troubleshooting-web-push#3-check-if-you-are-subscribed}
     */
    readonly isSubscribe$: import("rxjs").Observable<boolean>;
    readonly userId$: import("rxjs").Observable<string>;
    get isSupported(): boolean;
    get isSubscribe(): boolean;
    get isInitialized(): boolean;
    get isOptedOut(): boolean;
    get userId(): string;
    subscribe(): void;
    /**
     * call OneSignal.setSubscription(false)
     * @see {@link https://documentation.onesignal.com/docs/web-push-sdk#section--setsubscription-}
     */
    unsubscribe(): void;
    /**
     * https://documentation.onesignal.com/docs/web-push-sdk#section-loading-sdk-asynchronously
     * @param items push(["functionName", param1, param2]);
     * @example
     * ngxOneSignal.push(['sendTag', 'key', 'value', function(tagsSent) {
     *   // Callback called when tags have finished sending
     * }]);
     * // or
     * ngxOneSignal.push(['sendTag', 'key', 'value']).then((tagsSent) => {
     *   // Callback called when tags have finished sending
     * });
     */
    push(items: any[]): Promise<any>;
    constructor(doc: Document, options: OneSignalOptions);
    private init;
    private addScript;
    private initOneSignal;
}
export {};