docstr: This method returns a list of pre-trained model which can be instantiated directly from NVIDIA's NGC cloud.
  Returns:
      List of available pre-trained models.
docstr_tok: ["This","method","returns","a","list","of","pre-trained","model","which","can","be","instantiated","directly","from","NVIDIA","'s","NGC","cloud",".","Returns",":","List","of","available","pre-trained","models","."]
code: def list_available_models(cls) -> "List[PretrainedModelInfo]":
      """
      This method returns a list of pre-trained model which can be instantiated directly from NVIDIA's NGC cloud.
      Returns:
          List of available pre-trained models.
      """
      # recursively walk the subclasses to generate pretrained model info
      list_of_models = (
          model_utils.resolve_subclass_pretrained_model_info(cls)
      )
      return list_of_models
  
imports: import logging
  from abc import ABC, abstractmethod
  from typing import List
  import torch
  from nemo.core.classes import ModelPT
  from nemo.core.classes.common import PretrainedModelInfo
  from nemo.core.classes.exportable import Exportable
  from nemo.core.classes.mixins import AccessMixin
  from nemo.core.utils.neural_type_utils import get_io_names
  from nemo.utils import logging, model_utils
  from nemo.utils.cast_utils import cast_all
label_desc: Use image node_id 4 for calling the ASRModel obj's underlying member method code with example usage: obj.list_available_models(cls) and returns: list_of_models