HippoPHP\Hippo\Reporters\CheckstyleReporter::setFilename PHP Method

    public function setFilename($fileName)
    {
        $this->filename = $fileName;
    }

 private function handleXmlReportArgument($argValue)
 {
     $targetFilename = $argValue === null ? 'checkstyle.xml' : $argValue;
     $checkstyleReporter = new CheckstyleReporter($this->fileSystem);
     $checkstyleReporter->setFilename($targetFilename);
     $this->reporters[] = $checkstyleReporter;
 }