type UnsubscribeFunction = () => void;
type Callback = (...args: any[]) => void;
export declare class SubscriberList {
    private subscriptions;
    private freeSlots;
    private nextSlot;
    private subscriptionCount;
    constructor();
    private getSlot;
    private recycle;
    /**
     * Add a new subscription.
     * @param callback
     */
    subscribe(callback: Callback): UnsubscribeFunction;
    /**
     * Clear all subscriptions.
     */
    clear(): void;
    /**
     * Returns true if there are no subscribers.
     */
    isEmpty(): boolean;
    /**
     * Returns an array of subscribed callbacks.
     */
    getSubscribers(): Callback[];
    /**
     * Trigger all subscribed callbacks with provided arguments.
     * @param args - Arguments that will be passed to callback functions.
     */
    notify(...args: any[]): void;
    /**
     *
     * @param callback
     */
    execute(callback: (c: Callback) => void): void;
}
export {};
//# sourceMappingURL=SubscriberList.d.ts.map