code: def _initialize(self) -> _typing.Optional[bool]:
      raise NotImplementedError
  
file_path: AutoGL/autogl/module/model/encoders/base_encoder.py
imports: import torch
  import typing
  from ...hpo import AutoModule
label_desc: Use image node_id 1 for calling the AutoHomogeneousEncoderMaintainer obj's underlying member method code with example usage: obj._initialize() without return types