code: protected function cleanBacktrace($backtrace)
      {
          foreach ($backtrace as &$item) {
              if (isset($item['file'])) {
                  $item['file'] = $this->cleanFilePath($item['file']);
              }
              unset($item['args']);
          }
  
          return $backtrace;
      }
docs: Clean the backtrace of unneeded junk.
  
  @param array $backtrace
  @return array