code: def largest_budget_with_model(self):
      if not self.kde_models:
          return -float("inf")
      return max(self.kde_models.keys())
  
file_path: nni/nni/algorithms/hpo/bohb_advisor/config_generator.py
imports: import logging
  import ConfigSpace
  import ConfigSpace.hyperparameters
  import ConfigSpace.util
  import numpy
  import scipy.stats
  import statsmodels.api
label_desc: Use image node_id 2 for calling the CG_BOHB obj's underlying member method code with example usage: obj.largest_budget_with_model() and returns: max, unknown