static _formatArray(raw = {}) {
    const result = _.cloneDeep(raw);
    const traverse = (obj, objpath = '') => {
      if (_.isPlainObject(obj)) {
        _.keys(obj).forEach((key) => {
          traverse(obj[key], objpath === '' ? key : `${objpath}.${key}`);
        });
        return;
      }
      const value = obj;
      if (_.isString(value) && value.indexOf(',') >= 0) {
        _.set(result, objpath, value.split(','));
      }
    };
    traverse(raw);
    return result;
  }
transform cli array('a,b,c') to array([a,b,c])
@param raw
@returns {*}
@private