config.inc has been removed

When you work with the new config system (see https://drupal.org/node/1500260 for more information), you should access the following helper methods without using the procedural helpers which have been removed.

Before:

$entity_type_id = config_get_entity_type_by_name('views.view.frontpage');

config_uninstall_default_config('module', 'views');

$list = config_get_storage_names_with_prefix('views.view.');

$typed_config = typed_config();

config_import_create_snapshot($sourceStorage, $snapshotStorage);

$diff = config_diff();

After:

Note also that in a class you should inject the 'config.manager' service instead of using \Drupal::service('config.manager').

$entity_type_id =  \Drupal::service('config.manager')->getEntityTypeIdByName('views.view.frontpage');

\Drupal::service('config.manager')->uninstall('module', 'views');

$list = \Drupal::configFactory()->listAll('views.view.');

$config_typed = \Drupal::service('config.typed');

\Drupal::service('config.manager')->createSnapshot($sourceStorage, $snapshotStorage);

$diff = \Drupal::service('config.manager')->diff($targetStorage, $sourceStorage, 'views.view.frontpage');

https://drupal.org/node/2065313 is an earlier related change notice.