export interface ITaskExecuter<I, O> {
    execute(input: I): Promise<O>;
}
export declare class TaskExecuter<I, O> implements ITaskExecuter<I, O> {
    private size;
    private worker;
    private taskQue;
    private taskInProgress;
    private readonly el;
    private run;
    constructor(size: number, worker: (input: I) => Promise<O>);
    execute(input: I): Promise<O>;
}