import { Observable } from 'rxjs';
import { NgxWindowService } from '@studiohyperdrive/ngx-core';
import * as i0 from "@angular/core";
/**
 * A service that wraps the BroadCastChannel API and provides an Observable based implementation to the channel messages.
 *
 * For more information:
 * https://developer.mozilla.org/en-US/docs/Web/API/BroadcastChannel
 */
export declare class NgxBroadcastChannelService {
    private readonly windowService;
    /**
     * A record holding all the broadcast channels
     */
    private broadcastChannel;
    constructor(windowService: NgxWindowService);
    /**
     * initChannel
     *
     * The initChannel method initializes a new BroadcastChannel instance.
     *
     * @param args{ConstructorParameters<typeof BroadcastChannel>} - The arguments to pass to the BroadcastChannel constructor.
     */
    initChannel(...args: ConstructorParameters<typeof BroadcastChannel>): void;
    /**
     * closeChannel
     *
     * The closeChannel method closes a selected BroadcastChannel instance.
     *
     * @param channelName{string} - The name of the Broadcast Channel.
     */
    closeChannel(channelName: string): void;
    /**
     * postMessage
     *
     * The postMessage method sends a message to a selected BroadcastChannel instance.
     *
     * @param channelName{string} - The name of the Broadcast Channel.
     * @param message{any} - The payload to send through the channel.
     */
    postMessage<MessageType = any>(channelName: string, message: MessageType): void;
    /**
     * selectChannelMessages
     *
     * The selectChannelMessages method subscribes to the `message` (bc.onmessage) event of a selected BroadcastChannel instance.
     *
     * @param channelName{string} - The name of the Broadcast Channel.
     * @returns Observable<MessageEvent> - The message event of the channel wrapped in an observable.
     */
    selectChannelMessages<MessageType = any>(channelName: string): Observable<MessageEvent<MessageType>>;
    /**
     * selectChannelMessageErrors
     *
     * The selectChannelMessageErrors method subscribes to the `messageerror` (bc.onmessageerror) event of a selected BroadcastChannel instance.
     *
     * @param channelName{string} - The name of the Broadcast Channel.
     * @returns Observable<MessageEvent> - The messageerror event of the channel wrapped in an observable.
     */
    selectChannelMessageErrors<MessageType = any>(channelName: string): Observable<MessageEvent<MessageType>>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxBroadcastChannelService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgxBroadcastChannelService>;
}