class_docstr: This layer normalizes embeddings to unit length
code: def save(self, output_path):
      pass
  
file_path: sentence-transformers/sentence_transformers/models/Normalize.py
imports: from torch import Tensor
  from torch import nn
  from typing import Dict
  import torch.nn.functional
label_desc: Use image node_id 3 for calling the Normalize obj's underlying member method code with example usage: obj.save(output_path) without return types