# old/mod.ts
export let VERSION: string = "1.0.0";

# new/mod.ts
export const VERSION: string = "1.0.0";

# output.json
{
  "modifiedModules": {
    "file:///mod.ts": {
      "modified": [
        {
          "name": "VERSION",
          "declarations": {
            "modified": [
              {
                "kind": "variable",
                "defChanges": {
                  "type": "variable",
                  "kindChange": {
                    "old": "let",
                    "new": "const"
                  }
                }
              }
            ]
          }
        }
      ]
    }
  }
}
