import { Subscription, PartialObserver } from 'rxjs';
import { FronteggState } from '@frontegg/redux-store';
import { FronteggAppService } from './frontegg-app.service';
import * as i0 from "@angular/core";
export declare type User = FronteggState['auth']['user'];
/**
 * A service for managing user state subscription
 * The service gives the ability to subscribe to user state change and get a manipulated data when the user state changes
 */
export declare class FronteggUserSubscriptionService {
    private fronteggAppService;
    private userStateSubject;
    constructor(fronteggAppService: FronteggAppService);
    /**
     * Trigger user subject change event if the user reference changes
     * No need for deep equal because we already check it internally
     * @param authState AuthState object
     */
    private updateUserStateIfNeeded;
    /**
     * The function gives the ability to return a manipulated data of the user state as a subscription.
     *
     * @param dataManipulator Manipulator function that receives user state and returns a manipulated data
     * @param observer For receiving manipulated data result
     * @returns a subscription to be able to unsubscribe
     */
    getUserManipulatorSubscription<Result>(dataManipulator: (user: User) => Result, observer: PartialObserver<Result>): Subscription;
    static ɵfac: i0.ɵɵFactoryDeclaration<FronteggUserSubscriptionService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FronteggUserSubscriptionService>;
}
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