)]}'
{
  "commit": "ee280e27a6140295ef6258d24c92305628f3d508",
  "tree": "91ded8e951fc3f26684e748694d413e99485df7e",
  "parents": [
    "4b8c731d8a4f3fda53c642ff14a25fab6c233918"
  ],
  "author": {
    "name": "Sameer Agarwal",
    "email": "sameeragarwal@google.com",
    "time": "Fri Jul 31 16:48:06 2020 -0700"
  },
  "committer": {
    "name": "Sameer Agarwal",
    "email": "sameeragarwal@google.com",
    "time": "Fri Jul 31 16:48:06 2020 -0700"
  },
  "message": "Allow SubsetParameterization to accept an empty vector of constant parameters.\n\nThanks to Frédéric Devernay for reporting this and providing an initial fix.\n\nChange-Id: Id86a2051ab7841ecafdcfb00f4634b353a7ef3b4\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "97fdbed3edaa060e32b5069732f9ceb05ba6ac48",
      "old_mode": 33188,
      "old_path": "internal/ceres/local_parameterization.cc",
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      "new_mode": 33188,
      "new_path": "internal/ceres/local_parameterization.cc"
    },
    {
      "type": "modify",
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}