code: def info(
      uri: Union[BinaryIO, str, os.PathLike],
      format: Optional[str],
      buffer_size: int = 4096,
  ) -> AudioMetaData:
      return soundfile_backend.info(uri, format)
  
file_path: audio/src/torchaudio/_backend/soundfile.py
imports: import os
  from typing import BinaryIO, Optional, Tuple, Union
  import torch
  from torchaudio.io import CodecConfig
  from .None import soundfile_backend
  from .backend import Backend
  from .common import AudioMetaData
label_desc: Use image node_id 1 for calling the SoundfileBackend obj's underlying member method code with example usage: obj.info(uri, format, buffer_size) and returns: soundfile_backend