class_docstr: InputLayer serialization.
code: def object_identifier(self):
      return constants.INPUT_LAYER_IDENTIFIER
  
imports: from tensorflow.python.keras.mixed_precision import policy
  from tensorflow.python.keras.saving.saved_model import base_serialization
  from tensorflow.python.keras.saving.saved_model import constants
  from tensorflow.python.keras.saving.saved_model import save_impl
  from tensorflow.python.keras.saving.saved_model import serialized_attributes
  from tensorflow.python.keras.utils import generic_utils
  from tensorflow.python.trackable import data_structures
  from tensorflow.python.util import nest
label_desc: Use image node_id 1 for calling the InputLayerSavedModelSaver obj's underlying member method code with example usage: obj.object_identifier() and returns: constants