venv/share/jupyter/lab/schemas/@jupyter-notebook/tree-extension/file-actions.json

{
  "title": "File Browser Widget - File Actions",
  "description": "File Browser widget - File Actions settings.",
  "jupyter.lab.toolbars": {
    "FileBrowser": [
      { "name": "fileAction-placeholder", "rank": 0 },
      { "name": "fileAction-open", "rank": 1 },
      { "name": "fileAction-download", "rank": 2 },
      { "name": "fileAction-rename", "rank": 3 },
      { "name": "fileAction-duplicate", "rank": 4 },
      { "name": "fileAction-delete", "rank": 5 }
    ]
  },
  "properties": {},
  "additionalProperties": false,
  "type": "object"
}