declare type AsyncFunc<T> = () => Promise<T>;
export declare class PromisePool<T = unknown> {
    size: number;
    private result;
    private pool;
    private queue;
    private i;
    private isDoneCalled;
    private resolve;
    constructor(options?: {
        size?: number;
    });
    private queueEmpty;
    execute(asyncFunc: AsyncFunc<T>): void;
    private next;
    done(): Promise<T[]>;
}
export {};