import { JDEventSource } from "./eventsource";
/**
 * Base class for clients
 * @category Clients
 */
export declare class JDClient extends JDEventSource {
    private unsubscribers;
    protected unmounted: boolean;
    constructor();
    protected log(msg: any, arg?: any): void;
    mount(unsubscribe: () => void): () => void;
    unmount(): void;
}
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