{
  "context": "This criteria evaluates how well the engineer uses the yacs package for YAML serialization and deserialization. The focus is on correct usage of CfgNode, load_cfg(), and dump() methods to handle configuration data.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "CfgNode usage",
      "description": "Uses yacs.config.CfgNode class to create and manage configuration objects instead of plain dictionaries or custom classes",
      "max_score": 25
    },
    {
      "name": "load_cfg method",
      "description": "Uses CfgNode.load_cfg() class method to load configuration from YAML strings rather than manual YAML parsing",
      "max_score": 25
    },
    {
      "name": "dump method",
      "description": "Uses the dump() method on CfgNode instances to serialize configuration to YAML format",
      "max_score": 25
    },
    {
      "name": "Type preservation",
      "description": "Correctly handles yacs type system including tuples, lists, integers, floats, strings, and nested CfgNode objects without manual type conversion",
      "max_score": 15
    },
    {
      "name": "Nested structure handling",
      "description": "Properly works with hierarchical/nested configuration structures using CfgNode's built-in support for nested dictionaries",
      "max_score": 10
    }
  ]
}