class_docstr: Class that contains methods for storing an Ax experiment to SQLAlchemy.
  
  Instantiate with an instance of Config to customize the functionality.
  For even more flexibility, create a subclass.
  
  Attributes:
      config: Metadata needed to save and load an experiment to SQLAlchemy.
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code: def get_children_metrics_by_name(
      self, metrics: List[Metric], weights: List[float]
  ) -> Dict[
      str, Tuple[Metric, float, SQAMetric, Tuple[int, Dict[str, Any]]]
  ]:
      return {
          metric.name: (
              metric,
              weight,
              cast(SQAMetric, self.config.class_to_sqa_class[Metric]),
              self.get_metric_type_and_properties(metric=metric),
          )
          for (metric, weight) in zip(metrics, weights)
      }
  
imports: from enum import Enum
  from logging import Logger
  from typing import Any, cast, Dict, List, Optional, Tuple, Type
  from ax.core.arm import Arm
  from ax.core.base_trial import BaseTrial
  from ax.core.batch_trial import AbandonedArm, BatchTrial
  from ax.core.data import Data
  from ax.core.experiment import Experiment
  from ax.core.generator_run import GeneratorRun, GeneratorRunType
  from ax.core.metric import Metric
  from ax.core.multi_type_experiment import MultiTypeExperiment
  from ax.core.objective import MultiObjective, Objective, ScalarizedObjective
  from ax.core.optimization_config import MultiObjectiveOptimizationConfig, OptimizationConfig
  from ax.core.outcome_constraint import ObjectiveThreshold, OutcomeConstraint, ScalarizedOutcomeConstraint
  from ax.core.parameter import ChoiceParameter, FixedParameter, Parameter, RangeParameter
  from ax.core.parameter_constraint import OrderConstraint, ParameterConstraint, SumConstraint
  from ax.core.parameter_distribution import ParameterDistribution
  from ax.core.risk_measures import RiskMeasure
  from ax.core.runner import Runner
  from ax.core.search_space import RobustSearchSpace, SearchSpace
  from ax.core.trial import Trial
  from ax.exceptions.storage import SQAEncodeError
  from ax.modelbridge.generation_strategy import GenerationStrategy
  from ax.storage.json_store.encoder import object_to_json
  from ax.storage.sqa_store.sqa_classes import SQAAbandonedArm, SQAArm, SQAData, SQAExperiment, SQAGenerationStrategy, SQAGeneratorRun, SQAMetric, SQAParameter, SQAParameterConstraint, SQARunner, SQATrial
  from ax.storage.sqa_store.sqa_config import SQAConfig
  from ax.storage.utils import DomainType, MetricIntent, ParameterConstraintType
  from ax.utils.common.base import Base
  from ax.utils.common.constants import Keys
  from ax.utils.common.logger import get_logger
  from ax.utils.common.serialization import serialize_init_args
  from ax.utils.common.typeutils import checked_cast, not_none
label_desc: Use image node_id 13 for calling the Encoder obj's underlying member method code with example usage: obj.get_children_metrics_by_name(metrics, weights) and returns: unknown