code: def _no_match(dm: Tensor) -> Tuple[Tensor, Tensor]:
      """Helper function, which output empty tensors.
  
      Returns:
              - Descriptor distance of matching descriptors, shape of :math:`(0, 1)`.
              - Long tensor indexes of matching descriptors in desc1 and desc2, shape of :math:`(0, 2)`.
      """
      dists = torch.empty(0, 1, device=dm.device, dtype=dm.dtype)
      idxs = torch.empty(0, 2, device=dm.device, dtype=torch.long)
      return dists, idxs
  
imports: from typing import Any, ClassVar, Dict, List, Optional, Tuple
  import torch
  from kornia.core import Module, Tensor, concatenate
  from kornia.core.check import KORNIA_CHECK_DM_DESC, KORNIA_CHECK_SHAPE
  from kornia.feature.laf import get_laf_center
  from kornia.testing import is_mps_tensor_safe
  from .adalam import get_adalam_default_config, match_adalam
label_desc: Use image node_id 4 for calling a global function with example usage: _no_match(dm) and returns: dists,  idxs