class_docstr: Saver defining the methods and properties used to serialize Keras objects.
    
docstr: Returns dictionary of python properties to save in the metadata.
  
  This dictionary must be serializable and deserializable to/from JSON.
  
  When loading, the items in this dict are used to initialize the object and
  define attributes in the revived object.
code: def python_properties(self):
      """Returns dictionary of python properties to save in the metadata.
  
      This dictionary must be serializable and deserializable to/from JSON.
  
      When loading, the items in this dict are used to initialize the object and
      define attributes in the revived object.
      """
      raise NotImplementedError
  
file_path: tensorflow-upstream/tensorflow/python/keras/saving/saved_model/base_serialization.py
imports: import abc
  from tensorflow.python.keras.saving.saved_model import json_utils
  from tensorflow.python.keras.saving.saved_model import utils
label_desc: Use image node_id 5 for calling the SavedModelSaver obj's underlying member method code with example usage: obj.python_properties() without return types