https://api.drupal.org/api/drupal/core%21tests%21Drupal%21KernelTests%21Core%21Entity%21EntityFieldDefaultValueTest.php/property/EntityFieldDefaultValueTest%3A%3Auuid/11.x
EntityFieldDefaultValueTest::$uuid | Drupal API
uuiddrupalapi
https://api.drupal.org/api/drupal/core%21tests%21Drupal%21KernelTests%21Core%21Entity%21EntityFieldDefaultValueTest.php/property/EntityFieldDefaultValueTest%3A%3Auuid/8.9.x
EntityFieldDefaultValueTest::$uuid | Drupal API
uuiddrupalapi