def METHOD_NAME(self):
    # Example from SSB UDF: Target tile size depends on dataset shape
    # Make sure we have self.meta available at this stage
    result_size = np.prod(self.meta.dataset_shape.nav)
    target_size = 1024*1024
    return {
        "depth": max(1, target_size // result_size),
        "total_size": target_size,
    }