https://api.drupal.org/api/drupal/core%21modules%21file%21src%21FileInterface.php/11.x
FileInterface.php | Drupal API
phpdrupalapi
https://api.drupal.org/api/drupal/core%21modules%21file%21src%21FileInterface.php/function/FileInterface%3A%3AsetSize/8.9.x
function FileInterface::setSize | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21modules%21file%21src%21FileInterface.php/8.9.x
FileInterface.php | Drupal API
phpdrupalapi