original_string: public function getFileManager()
      {
          if ($this->file_manager_instance === null) {
              $this->file_manager_instance = new FileManager($this);
          }
  
          return $this->file_manager_instance;
      }
code: public function getFileManager()
      {
          if ($this->file_manager_instance === null) {
              $this->file_manager_instance = new FileManager($this);
          }
  
          return $this->file_manager_instance;
      }
code_tokens: public function getFileManager ( ) { if ( $ this -> file_manager_instance === null ) { $ this -> file_manager_instance = new FileManager ( $ this ) ; } return $ this -> file_manager_instance ; }
docstring: Get the file manager instance.
  
  @return FileManager
docstring_tokens: Get the file manager instance .