code: def add_activation_regularizer(
      op, loss="L2", activ_decay=0.001, add_to_collection=None
  ):
      raise NotImplementedError
  
imports: from __future__ import division, print_function, absolute_import
  import tensorflow.compat.v1
  from ..None import regularizers
label_desc: Use image node_id 2 for calling a global function with example usage: add_activation_regularizer(op, loss, activ_decay, add_to_collection) without return types