code: def as_bytes(self) -> bytes:
      return json.dumps(self.dumpd()).encode("utf-8")
  
imports: import json
  from dataclasses import asdict, dataclass, field
  from datetime import datetime
  from typing import TYPE_CHECKING, Any, Dict, Iterator, List, Literal, Optional
  from dvc.exceptions import DvcException
  from dvc.repo.metrics.show import _gather_metrics
  from dvc.repo.params.show import _gather_params
  from dvc.utils import relpath
label_desc: Use image node_id 2 for calling the SerializableError obj's underlying member method code with example usage: obj.as_bytes() and returns: json