styleenv/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": "fileActions", "rank": 0 }]
  },
  "properties": {},
  "additionalProperties": false,
  "type": "object"
}