import { OnDestroy } from "@angular/core";
import { EventBus, IEvent, IEventDefinition } from "@nova-ui/bits";
import { PizzagnaService } from "../pizzagna/services/pizzagna.service";
import { IConfigurable, IProperties } from "../types";
import { EventRegistryService } from "./event-registry.service";
import { WidgetConfigurationService } from "./widget-configuration.service";
import * as i0 from "@angular/core";
export interface IWidgetEvent extends IEvent {
    widgetId?: string;
}
/**
 * Configuration of WidgetToDashboardEventProxy
 */
export interface IWidgetToDashboardEventProxyConfiguration extends IProperties {
    /**
     * List of events that are transmitted from widget to dashboard
     */
    upstreams?: string[];
    /**
     * List of events that are transmitted from dashboard to widget
     */
    downstreams?: string[];
}
/**
 * This provider transmits events between the dashboard event bus and the widget event bus.
 * It needs to be configured with the events that need transmission each way.
 */
export declare class WidgetToDashboardEventProxyService implements IConfigurable, OnDestroy {
    private pizzagnaBus;
    private dashboardBus;
    private widgetConfigurationService;
    private eventRegistry;
    private pizzagnaService;
    private upstreamSubscriptions;
    private downstreamSubscriptions;
    private readonly destroy$;
    private component;
    private upstreams?;
    private downstreams?;
    providerKey: string;
    constructor(pizzagnaBus: EventBus<IEvent>, dashboardBus: EventBus<IEvent>, widgetConfigurationService: WidgetConfigurationService, eventRegistry: EventRegistryService, pizzagnaService: PizzagnaService);
    ngOnDestroy(): void;
    setComponent(component: any): void;
    updateConfiguration(properties: IWidgetToDashboardEventProxyConfiguration): void;
    addUpstream(stream: IEventDefinition): void;
    addDownstream(stream: IEventDefinition): void;
    private addStream;
    private registerUpstreamSubscriptions;
    private registerDownstreamSubscriptions;
    private registerSubscriptions;
    static ɵfac: i0.ɵɵFactoryDeclaration<WidgetToDashboardEventProxyService, [null, { optional: true; }, { optional: true; }, null, null]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<WidgetToDashboardEventProxyService>;
}