{
  "context": "This evaluation assesses the engineer's ability to properly use TypeScript type definitions and interfaces provided by the react-top-loading-bar package. The focus is on correctly importing and applying the IProps interface for configuration validation/merging and the LoadingBarRef type for the progress tracker's reference handling.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Imports type definitions",
      "description": "Code imports the appropriate TypeScript types from react-top-loading-bar package (IProps for configuration typing and LoadingBarRef for reference typing)",
      "max_score": 15
    },
    {
      "name": "Uses IProps type",
      "description": "The validateLoadingBarConfig function parameter is typed using IProps or Partial<IProps> from the package",
      "max_score": 20
    },
    {
      "name": "IProps in merger",
      "description": "The mergeLoadingBarSettings function uses IProps or Partial<IProps> for the optional parameter and returns IProps or a compatible type",
      "max_score": 20
    },
    {
      "name": "LoadingBarRef typing",
      "description": "The LoadingBarTracker class stores the loading bar reference with the correct LoadingBarRef type from the package",
      "max_score": 25
    },
    {
      "name": "Type-safe method calls",
      "description": "LoadingBarTracker methods call the reference's methods (continuousStart, complete, staticStart) in a type-safe manner using the LoadingBarRef interface",
      "max_score": 20
    }
  ]
}