waitUntilDBSnapshotDeleted
suspend fun RdsClient.waitUntilDBSnapshotDeleted(request: DescribeDbSnapshotsRequest = DescribeDbSnapshotsRequest { }): Outcome<DescribeDbSnapshotsResponse>
suspend fun RdsClient.waitUntilDBSnapshotDeleted(block: DescribeDbSnapshotsRequest.Builder.() -> Unit): Outcome<DescribeDbSnapshotsResponse>