class_docstr: The meta-model guiding the model learning.
  
  The word `Guiding` can be categorized into two types based on the stage of model learning
  - The definition of learning tasks:  Please refer to docs of `MetaTaskModel`
  - Controlling the learning process of models: Please refer to the docs of `MetaGuideModel`
docstr: The inference process of the meta-model.
  
  Returns
  -------
  object:
      Some information to guide the model learning
docstr_tok: ["The","inference","process","of","the","meta-model",".","Returns","--","--","--","-","object",":","Some","information","to","guide","the","model","learning"]
code: def inference(self, *args, **kwargs) -> object:
      """
      The inference process of the meta-model.
  
      Returns
      -------
      object:
          Some information to guide the model learning
      """
  
file_path: qlib/qlib/model/meta/model.py
imports: import abc
  from typing import List
  from .dataset import MetaTaskDataset
label_desc: Use image node_id 2 for calling the MetaModel obj's underlying member method code with example usage: obj.inference() without return types