import { Subscription, PartialObserver } from 'rxjs';
import { Entitlement, CustomAttributes, EntitledToOptions, LoadEntitlementsCallback } from '@frontegg/types';
import { FronteggAppService } from './frontegg-app.service';
import { FronteggUserSubscriptionService } from './frontegg-user-subscription.service';
import * as i0 from "@angular/core";
/**
 * An entitlements service for:
 *   1. Managing state subscription.
 *   2. Querying about feature and permission entitlements state.
 *   3. Load entitlements on demand.
 */
export declare class FronteggEntitlementsService {
    private fronteggAppService;
    private fronteggUserSubscriptionService;
    constructor(fronteggAppService: FronteggAppService, fronteggUserSubscriptionService: FronteggUserSubscriptionService);
    /**
     * @param feature featureKey
     * @param observer For receiving the feature entitlements result including if the user is entitled to the given feature.
     *                 Attaching the justification if not entitled
     * @param customAttributes consumer attributes
     * @returns a subscription to be able to unsubscribe
     * @throws when entitlement is not enabled via frontegg options
     */
    featureEntitlements$(feature: string, observer: PartialObserver<Entitlement>, customAttributes?: CustomAttributes): Subscription;
    /**
     * @param permission permission key
     * @param observer For receiving the permission entitlements result including if the user is entitled to the given permission.
     *                 Attaching the justification if not entitled
     * @param customAttributes consumer attributes
     * @returns a subscription to be able to unsubscribe
     */
    permissionEntitlements$(permission: string, observer: PartialObserver<Entitlement>, customAttributes?: CustomAttributes): Subscription;
    /**
     * @param options permissionKey or featureKey in an options object
     * @param observer For receiving the permission entitlements result including if the user is entitled to the given permission.
     *                 Attaching the justification if not entitled
     * @param customAttributes consumer attributes
     * @returns a subscription to be able to unsubscribe
     */
    entitlements$(options: EntitledToOptions, observer: PartialObserver<Entitlement>, customAttributes?: CustomAttributes): Subscription;
    /**
     * Load entitlements data on demand
     * @param callback called on request completed with true if succeeded, false if failed
     */
    loadEntitlements(callback?: LoadEntitlementsCallback): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<FronteggEntitlementsService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FronteggEntitlementsService>;
}
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