import Keycloak from 'keycloak-js';
import { UserActivityService } from './user-activity.service';
import * as i0 from "@angular/core";
/**
 * Configuration options for the `AutoRefreshTokenService`.
 */
type AutoRefreshTokenOptions = {
    /**
     * Maximum allowed inactivity duration in milliseconds before
     * the session times out. Default is `50000`.
     */
    sessionTimeout?: number;
    /**
     * Action to take when the session times out due to inactivity.
     * Options are:
     * - `'login'`: Redirect to the Keycloak login page.
     * - `'logout'`: Log the user out of the session.
     * - `'none'`: Do nothing.
     * Default is `'logout'`.
     */
    onInactivityTimeout?: 'login' | 'logout' | 'none';
};
/**
 * Service to automatically manage the Keycloak token refresh process
 * based on user activity and token expiration events. This service
 * integrates with Keycloak for session management and interacts with
 * user activity monitoring to determine the appropriate action when
 * the token expires.
 *
 * The service listens to `KeycloakSignal` for token-related events
 * (e.g., `TokenExpired`) and provides configurable options for
 * session timeout and inactivity handling.
 */
export declare class AutoRefreshTokenService {
    private readonly keycloak;
    private readonly userActivity;
    private options;
    private initialized;
    constructor(keycloak: Keycloak, userActivity: UserActivityService);
    private get defaultOptions();
    private executeOnInactivityTimeout;
    private processTokenExpiredEvent;
    start(options?: AutoRefreshTokenOptions): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AutoRefreshTokenService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<AutoRefreshTokenService>;
}
export {};