code: def _get_valid_decay_config(self):
      return {"name": "cosine", "start_value": 0.1, "end_value": 0}
  
file_path: ClassyVision/test/optim_param_scheduler_cosine_test.py
imports: import copy
  import unittest
  from classy_vision.optim.param_scheduler import build_param_scheduler, CosineParamScheduler
label_desc: Use image node_id 1 for calling the TestCosineScheduler obj's underlying member method code with example usage: obj._get_valid_decay_config() and returns: dict