code: def read(self, size: int = -1) -> bytes:
      cursor = self.tell()
      offset, whence = (
          (0, io.SEEK_END) if size == -1 else (size, io.SEEK_CUR)
      )
      return self._memory[
          slice(cursor, self.seek(offset, whence))
      ].tobytes()
  
file_path: vision/torchvision/prototype/utils/_internal.py
imports: import collections.abc
  import difflib
  import io
  import mmap
  import platform
  from typing import BinaryIO, Callable, Collection, Sequence, TypeVar, Union
  import numpy
  import torch
  from torchvision._utils import sequence_to_str
label_desc: Use image node_id 4 for calling the ReadOnlyTensorBuffer obj's underlying member method code with example usage: obj.read(size) and returns: self