rojo/rojo-test/syncback-tests/ignore_trees_removing/input-project/default.project.json

{
  "name": "ignore_trees_removing",
  "tree": {
    "$className": "DataModel",
    "ReplicatedStorage": {
      "$path": "src"
    }
  },
  "syncbackRules": {
    "ignoreTrees": [
      "ReplicatedStorage/KeepMe"
    ]
  }
}