Built-in cache types:
NullCache (default; old name is null)
SimpleCache (old name is simple)
FileSystemCache (old name is filesystem)
RedisCache (redis required; old name is redis)
RedisSentinelCache (redis required; old name is redissentinel)
RedisClusterCache (redis and rediscluster required; old name is rediscluster)
UWSGICache (uwsgi required; old name is uwsgi)
MemcachedCache (pylibmc or memcache required; old name is memcached or gaememcached)
SASLMemcachedCache (pylibmc required; old name is saslmemcached)
SpreadSASLMemcachedCache (pylibmc required; old name is spreadsaslmemcached)