code: def serial(
      self, obj: Union[TileableGraph, ChunkGraph], context: Dict
  ):
      serializable_graph = SerializableGraph.from_graph(obj)
      return (), [serializable_graph], False
  
imports: from abc import ABCMeta, abstractmethod
  from typing import List, Dict, Tuple, Union, Iterable
  from ...core import Tileable, Chunk
  from ...serialization.core import buffered
  from ...serialization.serializables import Serializable, DictField, ListField, BoolField
  from ...serialization.serializables.core import SerializableSerializer
  from ...utils import tokenize
  from .core import DAG
label_desc: Use image node_id 1 for calling the GraphSerializer obj's underlying member method code with example usage: obj.serial(obj, context) and returns: ,  list,  False