Values.DescribeRegionsRequestSourceProvides information about the Regions that are configured for multi-Region replication.
type nonrec t = {directoryId : DirectoryId.t;The identifier of the directory.
*)regionName : RegionName.t option;The name of the Region. For example, us-east-1.
*)nextToken : NextToken.t option;The DescribeRegionsResult.NextToken value from a previous call to DescribeRegions. Pass null if this is the first call.
*)}