code: def verify_dict_keys(self):
      self.allowed_lr_scheduler_key_suffixes = {
          "iteration": "_scheduler_by_iteration",
          "epoch": "_scheduler_by_epoch",
          "plateau": "_scheduler_by_plateau",
      }
      self.set_schema()
      self.schema.verify(self)
      self.verify_freeze_these_keys()
  
imports: import torch
  import tqdm
  from ..utils import common_functions
  from ..utils import loss_tracker
  from ..utils.key_checker import KeyChecker, KeyCheckerDict
label_desc: Use image node_id 34 for calling the BaseTrainer obj's underlying member method code with example usage: obj.verify_dict_keys() without return types