https://api.drupal.org/api/drupal/core%21tests%21Drupal%21KernelTests%21Core%21File%21StreamWrapperTest.php/8.9.x
StreamWrapperTest.php | Drupal API
phpdrupalapi
https://api.drupal.org/api/drupal/core%21tests%21Drupal%21KernelTests%21Core%21File%21StreamWrapperTest.php/function/StreamWrapperTest%3A%3AtestGetClassName/10
function StreamWrapperTest::testGetClassName | Drupal API
functiondrupalapi