waitUntilDBClusterAvailable
suspend fun RdsClient.waitUntilDBClusterAvailable(request: DescribeDbClustersRequest = DescribeDbClustersRequest { }, retryStrategy: RetryStrategy? = null): Outcome<DescribeDbClustersResponse>
suspend fun RdsClient.waitUntilDBClusterAvailable(block: DescribeDbClustersRequest.Builder.() -> Unit): Outcome<DescribeDbClustersResponse>