{
  "context": "This evaluation assesses how effectively the engineer uses metro-memory-fs's existsSync method to check file and directory existence. The focus is on correctly using the file existence checking API to implement path validation functionality.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Uses existsSync method",
      "description": "Implementation imports and uses the existsSync method from metro-memory-fs to check path existence",
      "max_score": 30
    },
    {
      "name": "Single path validation",
      "description": "The validatePath function correctly uses existsSync to check if a single path exists and returns the boolean result",
      "max_score": 25
    },
    {
      "name": "Multiple path validation",
      "description": "The validatePaths function correctly iterates through the paths array and uses existsSync for each path",
      "max_score": 25
    },
    {
      "name": "Correct return values",
      "description": "Functions return boolean values (or arrays of booleans) directly from existsSync without unnecessary transformations",
      "max_score": 20
    }
  ]
}