/**
 * @description
 * The AsyncChain helps to synchronise async tasks.
 * It also can be used to synchronise async tasks across multiple components.
 * It represents an alternative to the process chain feature.
 */
export default class AsyncChain {
    private lastPromise;
    private pressure;
    private readonly idleListener?;
    readonly destroyed: boolean;
    constructor(onIdle?: () => void);
    /**
     * Adds an async task to the chain
     * and returns the promise of the task.
     * @param task
     */
    runInChain(task: (...args: any[]) => Promise<void>): Promise<void>;
    /**
     * Returns the backpressure of the chain
     * (how many promises are still not resolved).
     */
    getBackpressure(): number;
    /**
     * @description
     * Destroys the async chain.
     */
    destroy(): void;
}