waitUntilServerOffline
suspend fun TransferClient.waitUntilServerOffline(request: DescribeServerRequest, retryStrategy: <Error class: unknown class>? = null): <Error class: unknown class><DescribeServerResponse>
suspend fun TransferClient.waitUntilServerOffline(block: DescribeServerRequest.Builder.() -> Unit): <Error class: unknown class><DescribeServerResponse>