code: function configure (config) {
    config = _.isObject(config) ? config : {}
    this.client.cdpHost = config.cdpHost || 'cdp.in.treasuredata.com'
    return this
  }
docs: Personalization#configure
  
  config (Object) - configuration object
  config.cdpHost (String)
  - The host to use for the Personalization API
  - defaults to 'cdp.in.treasuredata.com'
  
  Possible values:
  Region    cdpHost                       host
  AWS East  cdp.in.treasuredata.com       in.treasuredata.com
  AWS Tokyo cdp-tokyo.in.treasuredata.com tokyo.in.treasuredata.com
  AWS EU    cdp-eu01.in.treasuredata.com  eu01.in.treasuredata.com
  IDCF      cdp-idcf.in.treasuredata.com  idcf.in.treasuredata.com