code: public function setPdfFile($pdfFile, $isTemp = false) {
          $this->_pdfFile = $pdfFile;
          $this->_pdfFileIsTemp = (bool) $isTemp;
          return $this;
      }
docs: Set input file (PDF)
  
  @param string $pdfFile Path to input file
  @param bool   $isTemp  True if the file is a temporary file (Default: false)
  @return \SGH\PdfBox\Command