export declare class EventSubscriber<Events extends {
    [key: string]: (...args: any[]) => void;
}> {
    private _onAllUnsubscribed?;
    protected subscribers: Record<string, Record<string, (...args: any[]) => void>>;
    protected counts: Record<string, number>;
    private _disabled;
    protected disposed: boolean;
    __debug: boolean;
    constructor(_onAllUnsubscribed?: ((event: keyof Events) => void) | undefined);
    get disabled(): boolean;
    subscriberCount: (event: Extract<keyof Events, string>) => number;
    totalSubscriberCount: () => number;
    subscribe: <K extends Extract<keyof Events, string>>(event: K, callback: Events[K]) => () => void;
    emit: <K extends Extract<keyof Events, string>>(event: K, ...args: Parameters<Events[K]>) => void;
    dispose: () => void;
    disable: () => void;
}
export type EventsOf<T extends EventSubscriber<any>> = T extends EventSubscriber<infer E> ? keyof E : never;