code: def combineobjects(method, labels_x, labels_y, dimensions):
      assert dimensions in (
          2,
          3,
      ), f"Only dimensions of 2 or 3 are supported, got {dimensions}"
  
      assert method.casefold() in (
          "merge",
          "preserve",
          "discard",
          "segment",
      ), f"Method {method} not in 'merge', 'preserve', 'discard', or 'segment'"
  
      if method.casefold() == "merge":
          return merge_objects(labels_x, labels_y, dimensions)
      if method.casefold() == "preserve":
          return preserve_objects(labels_x, labels_y)
      if method.casefold() == "discard":
          return discard_objects(labels_x, labels_y)
      if method.casefold() == "segment":
          return segment_objects(labels_x, labels_y, dimensions)
  
label_desc: Use image node_id 1 for calling a global function with example usage: combineobjects(method, labels_x, labels_y, dimensions) and returns: merge_objects, preserve_objects, discard_objects, segment_objects