class_docstr: Model is a system pre-defined artifact type.
class_docstr_tok: ["Model","is","a","system","pre-defined","artifact","type","."]
code: def __init__(self):
      super().__init__(metadata_store_pb2.ArtifactType.MODEL)
  
imports: import abc
  from typing import Union
  from ml_metadata import errors
  from ml_metadata.metadata_store.pywrap.metadata_store_extension import metadata_store
  from ml_metadata.proto import metadata_store_pb2
  from ml_metadata.simple_types.proto import simple_types_pb2
label_desc: Use image node_id 1 to create a new Model object from inherited base classes: ArtifactType with example: obj = Model()