code: def serialize(initializer):
      return generic_utils.serialize_keras_object(initializer)
  
file_path: tensorflow-upstream/tensorflow/python/keras/initializers/__init__.py
imports: import threading
  from tensorflow.python import tf2
  from tensorflow.python.keras.initializers import initializers_v1
  from tensorflow.python.keras.initializers import initializers_v2
  from tensorflow.python.keras.utils import generic_utils
  from tensorflow.python.keras.utils import tf_inspect
  from tensorflow.python.ops import init_ops
label_desc: Use image node_id 2 for calling a global function with example usage: serialize(initializer) and returns: generic_utils