code: protected function handleError($field, $value, $rule, array $args)
      {
          $this->errors[$rule][] = [
              'field' => $field,
              'value' => $value,
              'args' => $args,
          ];
      }
docs: Stores an error.
  
  @param  string $field
  @param  string $value
  @param  string $rule
  @param  array $args
  
  @return void