curl --request GET \
  --url https://api.example.com/api/datasets/{dataset_id}/filesystem/children \
  --header 'Authorization: Bearer <token>'

{
  "dataset_id": "<string>",
  "path": "<string>",
  "children": [
    {
      "name": "<string>",
      "path": "<string>",
      "depth": 123,
      "file_count": 0,
      "total_bytes": 0,
      "has_children": false,
      "sample_files": [
        {
          "name": "<string>",
          "size_bytes": 123,
          "extension": "<string>",
          "path": "<string>"
        }
      ],
      "children": "<array>"
    }
  ],
  "sample_files": [
    {
      "name": "<string>",
      "size_bytes": 123,
      "extension": "<string>",
      "path": "<string>"
    }
  ],
  "total_files": 0,
  "total_dirs": 0
}