declare type Entry<E> = {
    elem: E;
    available: boolean;
};
export default class AsyncPool<E> {
    entries: Entry<E>[];
    callbacks: ((entry: Entry<E>) => void)[];
    constructor(entries: E[]);
    get elements(): E[];
    run<T>(executor: (elem: E) => Promise<T>): Promise<T>;
}
export {};