https://api.drupal.org/api/drupal/core%21modules%21workspaces%21src%21WorkspaceListBuilder.php/9
WorkspaceListBuilder.php | Drupal API
phpdrupalapi
https://api.drupal.org/api/drupal/core%21modules%21workspaces%21src%21WorkspaceListBuilder.php/function/WorkspaceListBuilder%3A%3AcreateInstance/11.x
function WorkspaceListBuilder::createInstance | Drupal API
functiondrupalapi