waitUntilStackRollbackComplete
suspend fun CloudFormationClient.waitUntilStackRollbackComplete(request: DescribeStacksRequest = DescribeStacksRequest { }, retryStrategy: RetryStrategy? = null): Outcome<DescribeStacksResponse>
suspend fun CloudFormationClient.waitUntilStackRollbackComplete(block: DescribeStacksRequest.Builder.() -> Unit): Outcome<DescribeStacksResponse>
Wait until stack status is UPDATE_ROLLBACK_COMPLETE.