try {
  //Files or folders to delete in batches
  val items: List<BatchDeleteItem> = listOf(
              BatchDeleteItem(
                  //File or directory path
                  "filePath", 
                  //whether to permanently delete
                  true
              ), 
              BatchDeleteItem("dirPath", false)
          )
  //return batch operation result
  //if it is synchronously return: get result content directly from batchResponse.result
  //If it is asynchronously returned: need to call the Query Task API to obtain the result content (generally poll the query job until the task result is queried)
  val batchResponse: BatchResponse = smh.batchDelete(
      items = items
  )
} catch (e: Exception) {
  e.printStackTrace()
}