import type BaseComponent from "../Counter/BaseComponent";
type ConnectionStr = {
    serverUrl: string;
    namespace?: string;
};
type Subscribe = {
    event: string;
    callback: Function;
    component: HTMLElement | BaseComponent;
};
export declare class WebSocketManager {
    private static instances;
    private socket;
    private subscribers;
    private url;
    constructor(connectionStr: ConnectionStr);
    subscribe(subcriptionDetails: Subscribe): void;
    unsubscribe({ event, component }: {
        event: string;
        component: HTMLElement | BaseComponent;
    }): void;
    emit(event: any, ...data: any): void;
    disconnect(): void;
}
export {};