class_docstr: Syncer using a background process for asynchronous file transfer.
class_docstr_tok: ["Syncer","using","a","background","process","for","asynchronous","file","transfer","."]
code: def delete(self, remote_dir: str) -> bool:
      if self._should_continue_existing_sync():
          logger.warning(
              f"Last sync still in progress, skipping deletion of {remote_dir}"
          )
          return False
  
      delete_cmd = self._delete_command(uri=remote_dir)
      self._launch_sync_process(delete_cmd)
  
      return True
  
imports: import abc
  import logging
  import threading
  import time
  import traceback
  import warnings
  from dataclasses import dataclass
  from typing import Any, Callable, Dict, List, Optional, Tuple, Union
  from ray._private.thirdparty.tabulate.tabulate import tabulate
  from ray.train.constants import _DEPRECATED_VALUE
  from ray.util import log_once
  from ray.util.annotations import PublicAPI
  from ray.widgets import Template
label_desc: Use image node_id 8 for calling the _BackgroundSyncer obj's underlying member method code with example usage: obj.delete(remote_dir) and returns: True, False