)]}'
{
  "commit": "b995b09307c8bf2543aa5821e01eff173df7aa98",
  "tree": "902b19318b175c8b72d5c8e5a89442c0a8fdc65d",
  "parents": [
    "fd1cec3b99e4887d59c833a52691e3ba4cd5d40d"
  ],
  "author": {
    "name": "Leonardo de Moura",
    "email": "leomoura@amazon.com",
    "time": "Thu Jul 30 18:35:58 2026 +0000"
  },
  "committer": {
    "name": "Leonardo de Moura",
    "email": "leomoura@amazon.com",
    "time": "Thu Jul 30 18:43:40 2026 +0000"
  },
  "message": "fix: check universe parameters in mutual definitions\n\nThis PR checks that declarations in a mutual block use the same\nuniverse parameters. The elaborator already enforces this invariant,\nbut meta-programming can bypass it.\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "e33f33cb7c1a12d951bc76a92dbbf0361d40a0da",
      "old_mode": 33188,
      "old_path": "src/kernel/environment.cpp",
      "new_id": "81dbc21099089741f1b4fa589ca8dad48abac518",
      "new_mode": 33188,
      "new_path": "src/kernel/environment.cpp"
    },
    {
      "type": "add",
      "old_id": "0000000000000000000000000000000000000000",
      "old_mode": 0,
      "old_path": "/dev/null",
      "new_id": "279d29e297b4b1f4959d6c843d72e65003d34ae0",
      "new_mode": 33188,
      "new_path": "tests/elab/mutualLevelParams.lean"
    }
  ]
}