creation
The method that is used to create a cluster. Valid values are Normal,CloneFromPolarDB,CloneFromRDS,MigrationFromRDS,CreateGdnStandby.Value options can refer to the latest docs CreateDBCluster CreationOption.
NOTE: The default value is Normal. If DBType is set to MySQL and DBVersion is set to 5.6 or 5.7, this parameter can be set to CloneFromRDS or MigrationFromRDS. If DBType is set to MySQL and DBVersion is set to 8.0, this parameter can be set to CreateGdnStandby.