code: def get_chunk_filename(self) -> str:
      if self._compression:
          return f"chunk-{self.rank}-{self._chunk_index}.{self._compression}.bin"
      return f"chunk-{self.rank}-{self._chunk_index}.bin"
  
imports: import json
  import os
  import warnings
  from dataclasses import dataclass
  from time import sleep
  from typing import Any, Dict, List, Optional, Tuple, Union
  import numpy
  import torch
  from lightning.data.streaming.compression import _COMPRESSORS, Compressor
  from lightning.data.streaming.constants import _INDEX_FILENAME, _TORCH_GREATER_EQUAL_2_1_0
  from lightning.data.streaming.serializers import Serializer, _get_serializers
  from lightning.data.utilities.env import _DistributedEnv, _WorkerEnv
  from lightning.data.utilities.format import _convert_bytes_to_int, _human_readable_bytes
label_desc: Use image node_id 8 for calling the BinaryWriter obj's underlying member method code with example usage: obj.get_chunk_filename() and returns: str, self, str, self, str, str, self, str, self, str, self, str