import { KeycloakService } from 'keycloak-angular';
import { NGXLogger } from 'ngx-logger';
import { Observable } from 'rxjs';
import { PermissionContext, PermissionRequest } from '../models';
import { PermissionApiService } from './permission-api.service';
import * as i0 from "@angular/core";
export declare class PermissionService {
    private readonly keyCloakService;
    private readonly logger;
    private readonly permissionApiService;
    private readonly QUEUE_COLLECTION_PERIOD_MS;
    private _cachedResolvedPermissions;
    private _pendingPermissions;
    private _permissionRequestQueue;
    private _permissionQueueSubscription;
    private _clearCacheSubscription;
    constructor(keyCloakService: KeycloakService, logger: NGXLogger, permissionApiService: PermissionApiService);
    requestPermission(permissionRequest: PermissionRequest, context?: PermissionContext): Observable<boolean>;
    private queuePermission;
    private openQueueSubscription;
    private cacheResolvedPermissions;
    private openClearCacheSubscription;
    private emptyQueue;
    private clearCache;
    private clearPending;
    static ɵfac: i0.ɵɵFactoryDeclaration<PermissionService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PermissionService>;
}