Defines a stub cache implementation. The stub implementation is needed when database access is not yet available. Because Drupal's caching system

Provides an interface for defining a calculated cache context service. Hierarchy interface

public DatabaseBackend::deleteAll() Deletes

public BackendChain::removeBin() Remove

public UserCacheContextBase::__construct(AccountInterface

public BackendChain::__construct($bin) Constructs

public CacheCollectorInterface::clear()

Defines the HeadersCacheContext service, for "per header" caching. Cache context ID: 'headers' (to vary by all headers). Calculated cache context

public ApcuBackend::invalidateMultiple(array $cids)

public static MenuActiveTrailsCacheC