*
* @author Roland Haeder <webmaster@shipsimu.org>
* @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2023 Core Developer Team
* @license GNU GPL 3.0 or any newer version
* @link http://www.shipsimu.org
*
* @throws InvalidResourceException If there is being set
* an invalid file resource
*/
- function writeToFile ($dataStream);
+ function writeToFile (string $dataStream);
/**
* Writes at given position by seeking to it.
* @param $data Data to be written
* @return mixed Number of writes bytes or false on error
*/
- function writeAtPosition ($seedPosition, $data);
+ function writeAtPosition (int $seedPosition, string $data);
}