code: func (o *Options) Validate(args []string) error {
  	if len(args) != 0 {
  		return errors.New("no arguments are supported")
  	}
  	if errs := validation.Validate(o.config); len(errs) != 0 {
  		return errs.ToAggregate()
  	}
  
  	return nil
  }
docs: // Validate validates all the required options.