import { Subject } from "rxjs";
import { MessageClient } from "../message-client";
import { MessageResponse } from "../message-response.type";
import { Message } from "../message.interface";
import { GET_NEW_ID, RESPONSES$, SEND } from "../selectors";
export declare class BroadcastMessageClient extends MessageClient {
    #private;
    protected [RESPONSES$]: Subject<MessageResponse>;
    constructor(channelName?: string);
    protected [SEND]<T>(message: Message<T>): void;
    protected [GET_NEW_ID](): string;
}