original_string: protected function createDocPropsFolderAndFiles()
      {
          $this->docPropsFolder = $this->createFolder($this->rootFolder, self::DOC_PROPS_FOLDER_NAME);
  
          $this->createAppXmlFile();
          $this->createCoreXmlFile();
  
          return $this;
      }
code: protected function createDocPropsFolderAndFiles()
      {
          $this->docPropsFolder = $this->createFolder($this->rootFolder, self::DOC_PROPS_FOLDER_NAME);
  
          $this->createAppXmlFile();
          $this->createCoreXmlFile();
  
          return $this;
      }
code_tokens: protected function createDocPropsFolderAndFiles ( ) { $ this -> docPropsFolder = $ this -> createFolder ( $ this -> rootFolder , self :: DOC_PROPS_FOLDER_NAME ) ; $ this -> createAppXmlFile ( ) ; $ this -> createCoreXmlFile ( ) ; return $ this ; }
docstring: Creates the "docProps" folder under the root folder as well as the "app.xml" and "core.xml" files in it
  
  @return FileSystemHelper
  @throws \Box\Spout\Common\Exception\IOException If unable to create the folder or one of the files
docstring_tokens: Creates the docProps folder under the root folder as well as the app . xml and core . xml files in it