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