# old/mod.ts
export function foo() {}

# new/mod.ts
export function bar() {}

# output.json
{
  "modifiedModules": {
    "file:///mod.ts": {
      "modified": [
        {
          "name": "bar",
          "nameChange": {
            "old": "foo",
            "new": "bar"
          }
        }
      ]
    }
  }
}
