class_docstr: Represent a single revision of a GCS Object.
class_docstr_tok: ["Represent","a","single","revision","of","a","GCS","Object","."]
docstr: Validate the md5Hash and crc32c fields against the stored media.
docstr_tok: ["Validate","the","md5Hash","and","crc32c","fields","against","the","stored","media","."]
code: def _validate_hashes(self):
      """Validate the md5Hash and crc32c fields against the stored media."""
      self._validate_md5_hash()
      self._validate_crc32c()
  
imports: import base64
  import crc32c
  import error_response
  import hashlib
  import json
  import struct
  import testbench_utils
  import time
label_desc: Use image node_id 3 for calling the GcsObjectVersion obj's underlying member method code with example usage: obj._validate_hashes() without return types