interface QueueItem {
    pfunc: (idx: number) => Promise<any>;
    resolve: (v: any) => void;
    reject: (v: any) => void;
}
export declare class PromiseLimiter {
    slots: number[];
    queue: QueueItem[];
    constructor(num: number);
    dispatch: () => Promise<void>;
    run<T>(pfunc: (idx: number) => Promise<T>): Promise<T>;
}
export {};