/**
  * Start an 'add project' query.
  *
  * @param string $websiteTitle
  * @param string $websiteUrl
  * @param string $timezone
  * @param PublicStats $publicStats
  * @return \Injic\LaravelStatcounter\LaravelStatcounter|static
  */
 public function addProject($websiteTitle, $websiteUrl, $timezone, PublicStats $publicStats = null)
 {
     if (is_null($publicStats)) {
         $publicStats = PublicStats::NONE();
     }
     $this->query = 'add_project';
     $this->params['wt'] = $websiteTitle;
     $this->params['wu'] = $websiteUrl;
     $this->params['tz'] = $timezone;
     $this->params['ps'] = $publicStats->getValue();
     $this->usesUsername();
     $this->usesTime();
     return $this;
 }