code: def reverse_layer_ids(
      encoder_name_to_id: dict,
      pre_enocder_name_to_id: dict,
      post_enocder_name_to_id: dict,
  ):
      """
      The layer ids need to increase when going from the output end to the input end.
      We need to reverse the ids which were originally assigned in a decreasing order.
  
      Parameters
      ----------
      encoder_name_to_id
          The layer-to-id mapping of encoder layers.
      pre_enocder_name_to_id
          The layer-to-id mapping of pre-encoder layers.
      post_enocder_name_to_id
          The layer-to-id mapping of post-encoder layers.
  
      Returns
      -------
      The layer-to-id mapping of all layers with layer ids reversed.
      """
      name_to_id = {
          **pre_enocder_name_to_id,
          **encoder_name_to_id,
          **post_enocder_name_to_id,
      }
      if len(name_to_id) > 0:
          layer_num = max(name_to_id.values())
          # if no post encoder layers, the minimum layer id should be 1
          if len(post_enocder_name_to_id) == 0:
              layer_num += 1
      for n, layer_id in name_to_id.items():
          name_to_id[n] = layer_num - layer_id
  
      return name_to_id
  
imports: import logging
  import re
  import warnings
  from typing import Dict, List, Optional, Tuple
  import torch
  import torch._dynamo
  import torch.nn.functional
  from torch import nn
  from torch.nn.modules.loss import _Loss
  from transformers import AutoConfig, AutoModel, AutoTokenizer, BertTokenizer, CLIPTokenizer, ElectraTokenizer
  from transformers.models.mask2former.modeling_mask2former import Mask2FormerLoss
  from ..constants import AUTOMM, CLASS_LOGITS, COLUMN_FEATURES, FEATURES, LOGITS, MASKS, OCR, PEFT_ADDITIVE_STRATEGIES, REGRESSION, SEMANTIC_MASK, SEMANTIC_SEGMENTATION
  from .adaptation_layers import IA3Linear, IA3LoRALinear, LoRALinear
label_desc: Use image node_id 6 for calling a global function with example usage: reverse_layer_ids(encoder_name_to_id, pre_enocder_name_to_id, post_enocder_name_to_id) and returns: name_to_id