waitUntilStepComplete
suspend fun EmrClient.waitUntilStepComplete(request: DescribeStepRequest, retryStrategy: <Error class: unknown class>? = null): <Error class: unknown class><DescribeStepResponse>
suspend fun EmrClient.waitUntilStepComplete(block: DescribeStepRequest.Builder.() -> Unit): <Error class: unknown class><DescribeStepResponse>