import { LitElement } from 'lit';
import { Subscription, ReplaySubject } from 'rxjs';
import type { Observable } from 'rxjs';
import type { EventBus } from '../../events';
import { Localized } from '../../utils/i18n';
import { Labels, LocalizedComponent } from '../localized-components';
export declare type Listener = (eventBus: EventBus, kickoff: Observable<0>) => Subscription;
export declare type Bootstrapper = (eventBus: EventBus) => void;
/**
 * @superclass
 * @description BackOffice library base superclass for Lit-based webcomponents
 */
export declare class BkBase<L extends Labels = Labels> extends LitElement implements LocalizedComponent<L> {
    /**
     * @description a window that might support sandboxed logic/methods
     */
    proxyWindow: Window & typeof globalThis;
    /**
     * @description [micro-lc-element-composer](https://microlc.io/documentation/docs/micro-lc/core_plugins#microlc-element-composer)
     * default prop representing the authenticated user. It's context can be configured via micro-lc backend config files.
     * @see {@link https://microlc.io/documentation/docs/micro-lc/authentication}
     */
    currentUser: Record<string, unknown>;
    /**
     * @description [micro-lc-element-composer](https://microlc.io/documentation/docs/micro-lc/core_plugins#microlc-element-composer)
     * default prop representing the `eventBus` default channel unless overridden by `busDiscriminator` prop.
     */
    get eventBus(): EventBus | undefined;
    /**
     * When an eventBus is set:
     * 1. check if there are subscriptions and if any pop them while removing the tead down logic
     * 2. if the eventBus is defined register all listeners with the subscription
     * 3. if the eventBus is defined then bootstrap
     * 4. set the eventBus
     */
    set eventBus(e: EventBus | undefined);
    set customLocale(l: Localized<L>);
    private _currentBusSubscriptions;
    private _eventBus?;
    private _listeners;
    private _bootstrap;
    private _subscription;
    protected _timeout$: ReplaySubject<0>;
    protected get subscription(): Subscription;
    /**
     * When new subscription is set:
     * 1. unsubscribe all previous subscriptions
     * 2. clean the array of current subscription
     * 3. if an eventBus is present, register all listeners updating newly injected subscription and current subscription array
     * 4. set subscription
     */
    protected set subscription(s: Subscription);
    protected defaultLocale?: L | undefined;
    protected _locale?: L;
    set locale(l: L | undefined);
    get locale(): L | undefined;
    constructor(listeners?: Listener | Listener[], bootstrap?: Bootstrapper | Bootstrapper[]);
    connectedCallback(): void;
    disconnectedCallback(): void;
}