def METHOD_NAME(app_label, model_name, index_name, new_index_name):
    model = apps.get_model(app_label, model_name)
    indices = registry.get_indices(models=[model])
    old_index = _get_index(indices=indices, index_name=index_name)
    new_index = old_index.clone(name=new_index_name)
    new_index.create()