ScaleDownModifications => ArrayRef[Str|Undef]

A string list, each element of which specifies a cache node type which you can use to scale your cluster or replication group. When scaling down a Redis cluster or replication group using ModifyCacheCluster or ModifyReplicationGroup, use a value from this list for the CacheNodeType parameter.

ScaleUpModifications => ArrayRef[Str|Undef]

A string list, each element of which specifies a cache node type which you can use to scale your cluster or replication group.

When scaling up a Redis cluster or replication group using "ModifyCacheCluster" or "ModifyReplicationGroup", use a value from this list for the "CacheNodeType" parameter.

_request_id => Str