export interface PoolOptions {

  /**
   * Minimum number of tasks to keep around. Task startup can be expensive. Default of one.
   */
  minTasks: number,

  /**
   * Maximum number of tasks to use. Default is 75% of your CPU count, rounded up, with a minimum
   * of one.
   */
  tasks: number,

  /**
   * Kill an inactive task after this amount of time. Default is zero (but will be reused if
   * there's immediately pending tasks), increase if your tasks have high setup costs.
   *
   * This can be `Infinity` to keep tasks around forever.
   */
  expiry: number,

}

/**
 * @param dep to run script from
 * @param options
 * @return callable to add work
 */
export function pool(dep: string, options?: Partial<PoolOptions>): (...any) => Promise<any>;