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