CacheBackendInterface

class \Drupal\Core\Cache\Apcu4Backend extends \Drupal\Core\Cache\ApcuBackend
class \Drupal\Core\Cache\ApcuBackend implements \Drupal\Core\Cache\CacheBackendInterface
class \Drupal\Core\Cache\BackendChain implements \Drupal\Core\Cache\CacheBackendInterface, \Drupal\Core\Cache\CacheTagsInvalidatorInterface
class \Drupal\Core\Cache\ChainedFastBackend implements \Drupal\Core\Cache\CacheBackendInterface, \Drupal\Core\Cache\CacheTagsInvalidatorInterface
class \Drupal\Core\Cache\DatabaseBackend implements \Drupal\Core\Cache\CacheBackendInterface
class \Drupal\Core\Cache\MemoryBackend implements \Drupal\Core\Cache\CacheBackendInterface, \Drupal\Core\Cache\CacheTagsInvalidatorInterface
class \Drupal\Core\Cache\MemoryCache\MemoryCache extends \Drupal\Core\Cache\MemoryBackend implements \Drupal\Core\Cache\MemoryCache\MemoryCacheInterface
class \Drupal\Core\Cache\MemoryCounterBackend extends \Drupal\Core\Cache\MemoryBackend
class \Drupal\Core\Cache\NullBackend implements \Drupal\Core\Cache\CacheBackendInterface
class \Drupal\Core\Cache\PhpBackend implements \Drupal\Core\Cache\CacheBackendInterface
class \Drupal\Core\Update\UpdateBackend extends \Drupal\Core\Cache\NullBackend
class \Drupal\Tests\Core\Asset\TestMemoryBackend extends \Drupal\Core\Cache\MemoryBackend

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