import Client = require('./client')
import Dispatcher = require('./dispatcher')
import { URL } from 'url'

export = Pool

declare class Pool extends Dispatcher {
  constructor(url: string | URL, options?: Pool.Options)
  /** `true` after `pool.close()` has been called. */
  closed: boolean;
  /** `true` after `pool.destroyed()` has been called or `pool.close()` has been called and the pool shutdown has completed. */
  destroyed: boolean;
}

declare namespace Pool {
  export interface Options extends Client.Options {
    /** Default: `(origin, opts) => new Client(origin, opts)`. */
    factory?(origin: URL, opts: object): Dispatcher;
    /** The max number of clients to create. `null` if no limit. Default `null`. */
    connections?: number | null;
  }
}