[
  {
    "transform": "get_top_k_connected_components",
    "apply_to_labels": [1, 2, 3],
    "apply_sequentially": false,
    "kwargs": {
      "top_k": 1,
      "morph_cleanup": true,
      "morph_cleanup_iterations": 2
    }
  },
  {
    "transform": "get_top_k_connected_components",
    "apply_to_labels": [4],
    "apply_sequentially": true,
    "kwargs": {
      "top_k": 1,
      "morph_cleanup": true,
      "morph_cleanup_iterations": 2
    }
  }
]