code: public function visitDefinedParameterVariableLength(ParameterIssue\DefinedParameterVariableLength $issue)
      {
          $this->typeCheck->visitDefinedParameterVariableLength(func_get_args());
  
          return sprintf(
              'Variable-length parameter $%s should only be documented, not defined.',
              $issue->parameterName()
          );
      }
docs: @param ParameterIssue\DefinedParameterVariableLength $issue
  
  @return string