waitUntilDataSourceAvailable
suspend fun MachineLearningClient.waitUntilDataSourceAvailable(request: DescribeDataSourcesRequest = DescribeDataSourcesRequest { }): Outcome<DescribeDataSourcesResponse>
suspend fun MachineLearningClient.waitUntilDataSourceAvailable(block: DescribeDataSourcesRequest.Builder.() -> Unit): Outcome<DescribeDataSourcesResponse>