waitUntilInstanceInService
suspend fun ElasticLoadBalancingClient.waitUntilInstanceInService(request: DescribeInstanceHealthRequest, retryStrategy: RetryStrategy? = null): Outcome<DescribeInstanceHealthResponse>
suspend fun ElasticLoadBalancingClient.waitUntilInstanceInService(block: DescribeInstanceHealthRequest.Builder.() -> Unit): Outcome<DescribeInstanceHealthResponse>