constructor (id, driver) {
    this.id = id
    this.client = driver
    this.logger = require('./../../module/logger')('Importer: GD ' + id)

    if (!this.client) throw new Error('Invaild drive instance')
    this.logger.info('Got drive instance')

    const {
      default: PQueue
    } = require('p-queue')

    this.queue = new PQueue({
      concurrency: config.get('importer.settings.googleDrive.queueNum') || 1
    })
  }
@param {Int} id driver id
@param {Object} driver Google Drive driver instance