Snapshot
constructor(description: String? = null, engineVersion: String? = null, maintenanceWindow: String? = null, name: String? = null, nodeType: String? = null, numShards: Int? = null, parameterGroupName: String? = null, port: Int? = null, snapshotRetentionLimit: Int? = null, snapshotWindow: String? = null, subnetGroupName: String? = null, topicArn: String? = null, vpcId: String? = null)