code: def dict(self):
      from fate.components.core.spec.component import ArtifactSpec
  
      return ArtifactSpec(
          types=[t.get_type().type_name for t in self.types],
          optional=self.optional,
          roles=self.roles,
          stages=self.stages,
          description=self.desc,
          is_multi=self.is_multi,
      )
  
imports: import typing
  from typing import Dict, List, Type, Union
label_desc: Use image node_id 6 for calling the AllowArtifactDescribes obj's underlying member method code with example usage: obj.dict() and returns: ArtifactSpec