class ChainAdapter implements

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

save(CacheItemInterface $item) {@inheritdoc}

hasItem($key) {@inheritdoc} Parameters

getItem($key) {@inheritdoc} Parameters

commit() {@inheritdoc}

deleteItem($key) {@inheritdoc} Parameters

class ArrayAdapter implements

deleteItems(array $keys) {@inheritdoc} Parameters

hasItem($key) {@inheritdoc} Parameters