getItems(array $keys = array()) {@inheritdoc}

clear() {@inheritdoc}

class FilesystemAdapter extends

class ChainAdapter implements

class CacheItem implements CacheItemInterface Methods

deleteItem($key) {@inheritdoc} Parameters

saveDeferred(CacheItemInterface $item) {@inheritdoc}

commit() {@inheritdoc}

saveDeferred(CacheItemInterface $item) {@inheritdoc}

commit() {@inheritdoc}