code: def __init__(self):
      self.operators = []
      self.constants = []
      self.root_op = None
      self.num_actions_to_choose = 1
      self.reward_function = ""
      self.reward_aggregator = config.DecisionRewardAggreation.DRA_MAX
  
file_path: ReAgent/serving/reagent/serving/config/builder.py
imports: from typing import Any, Dict
  import reagent.serving.config.config
  import reagent.serving.config.namespace
  import reagent.serving.config.operators
  from reagent.serving.config.serialize import config_to_json
label_desc: Use image node_id 1 to create a new DecisionPlanBuilder object  with example: obj = DecisionPlanBuilder()