import * as _angular_core from '@angular/core';
import { InjectionToken, Type, Provider, EnvironmentProviders, OnInit, OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
import { HttpRequest, HttpHandlerFn, HttpEvent } from '@angular/common/http';
import { Observable } from 'rxjs';

declare const SEA_INTERRUPT_SERVICE: InjectionToken<SessionInterruptService>;
interface SessionInterruptService {
    /**
     * Method to refresh session cookie. Normally, this method issue a quick API call to server.
     *
     * @memberof SessionInterruptService
     */
    continueSession(): void;
    /**
     * Method to remove session cookie. Normally, this method redirect to website logout endpoint.
     *
     * @memberof SessionInterruptService
     */
    stopSession(): void;
    /**
     * Method to handle expiration event. Can be empty.
     */
    onExpire(): void;
}

interface SessionExpirationConfig {
    totalMinutes: number;
}
declare const ConfigToken: InjectionToken<SessionExpirationConfig>;
declare function provideSessionExpirationServices(interrupter: Type<SessionInterruptService>, config?: SessionExpirationConfig): (Provider | EnvironmentProviders)[];

declare function sessionTimerHttpInterceptor(req: HttpRequest<unknown>, next: HttpHandlerFn): Observable<HttpEvent<unknown>>;

declare class SessionTimerService {
    private readonly config;
    private readonly _timeoutSeconds;
    private timerSubscription?;
    private timer;
    private _remainSeconds;
    /**
     * Observable to get session remaining time (in seconds).
     *
     * Subscribers need to unsubscribe to it before hosting element is destroyed.
     *
     * @memberof SessionTimerService
     */
    remainSeconds$: Observable<number>;
    startTimer(): void;
    stopTimer(): void;
    resetTimer(): void;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<SessionTimerService, never>;
    static ɵprov: _angular_core.ɵɵInjectableDeclaration<SessionTimerService>;
}

declare class SessionExpirationAlert implements OnInit, OnChanges, OnDestroy {
    /**
     * Should start the timer or not. Usually, you can set it to true if a user is authenticated.
     */
    startTimer: _angular_core.InputSignal<boolean>;
    /**
     * Count down seconds.
     */
    alertAt: _angular_core.InputSignal<number>;
    showModal: _angular_core.WritableSignal<boolean>;
    expired: _angular_core.WritableSignal<boolean>;
    private sessionTimerSubscription?;
    private el;
    private sessionInterrupter;
    sessionTimer: SessionTimerService;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges<{
        startTimer: boolean;
    }>): void;
    private trackSessionTime;
    continue(): void;
    logout(): void;
    open(): void;
    close(): void;
    cleanUp(): void;
    reload(): void;
    ngOnDestroy(): void;
    handleTabKey(event: Event): void;
    handleShiftTabKey(event: Event): void;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<SessionExpirationAlert, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<SessionExpirationAlert, "session-expiration-alert", never, { "startTimer": { "alias": "startTimer"; "required": false; "isSignal": true; }; "alertAt": { "alias": "alertAt"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}

export { ConfigToken, SEA_INTERRUPT_SERVICE, SessionExpirationAlert, SessionTimerService, provideSessionExpirationServices, sessionTimerHttpInterceptor };
export type { SessionExpirationConfig, SessionInterruptService };