original_string: private static function get_file(): string
    {
      if ( null === self::$path ){
        if ( \defined('BBN_DATA_PATH') ){
          self::$path = BBN_DATA_PATH;
        }
        else{
          self::$path = __DIR__.'/';
        }
      }
      return self::$path.'plugins/appui-cron/appui-observer.txt';
    }
code: private static function get_file(): string
    {
      if ( null === self::$path ){
        if ( \defined('BBN_DATA_PATH') ){
          self::$path = BBN_DATA_PATH;
        }
        else{
          self::$path = __DIR__.'/';
        }
      }
      return self::$path.'plugins/appui-cron/appui-observer.txt';
    }
code_tokens: private static function get_file ( ) : string { if ( null === self :: $ path ) { if ( \ defined ( 'BBN_DATA_PATH' ) ) { self :: $ path = BBN_DATA_PATH ; } else { self :: $ path = __DIR__ . '/' ; } } return self :: $ path . 'plugins/appui-cron/appui-observer.txt' ; }
docstring: Returns the observer txt file's full path.
  
  @return string
docstring_tokens: Returns the observer txt file s full path .