class_docstr: Helper class providing methods for saving changes made to an experiment
  if `db_settings` property is set to a non-None value on the instance.
class_docstr_tok: ["Helper","class","providing","methods","for","saving","changes","made","to","an","experiment","if","`","db_settings","`","property","is","set","to","a","non-None","value","on","the","instance","."]
docstr: Whether non-None DB settings are set on this instance.
docstr_tok: ["Whether","non-None","DB","settings","are","set","on","this","instance","."]
code: def db_settings_set(self) -> bool:
      """Whether non-None DB settings are set on this instance."""
      return self._db_settings is not None
  
imports: import re
  import time
  from logging import INFO, Logger
  from typing import Any, Dict, List, Optional, Tuple, Type
  from ax.core.base_trial import BaseTrial
  from ax.core.experiment import Experiment
  from ax.core.generation_strategy_interface import GenerationStrategyInterface
  from ax.core.generator_run import GeneratorRun
  from ax.exceptions.core import IncompatibleDependencyVersion, ObjectNotFoundError, UnsupportedError
  from ax.modelbridge.generation_strategy import GenerationStrategy
  from ax.utils.common.executils import retry_on_exception
  from ax.utils.common.logger import _round_floats_for_logging, get_logger
  from ax.utils.common.typeutils import not_none
label_desc: Use image node_id 3 for calling the WithDBSettingsBase obj's underlying member method code with example usage: obj.db_settings_set() and returns: unknown