https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Recipe%21RecipeOverrideConfigStorage.php/function/RecipeOverrideConfigStorage%3A%3Aexists/11.x
function RecipeOverrideConfigStorage::exists | Drupal API
functionexistsdrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Recipe%21RecipeOverrideConfigStorage.php/function/RecipeOverrideConfigStorage%3A%3AcreateCollection/11.x
function RecipeOverrideConfigStorage::createCollection | Drupal API
functiondrupalapi