code: function _initDefaultConnection() {
    if ('CLOUD_STORAGE_ACCOUNT' in process.env) {
      var accountSettings = utils.parseAccountString(process.env.CLOUD_STORAGE_ACCOUNT);
      if (accountSettings !== null) {
        _defaultClientSetting = _.defaults(_defaultClientSetting, accountSettings);
      }
    }
  }
docs: initializes default client using default settings and environment variable CLOUD_STORAGE_ACCOUNT