code: def auxiliary_outputs(self):
      return ["c_t"]
  
imports: from __future__ import print_function
  import math
  import re
  import sys
  from libs.nnet3.xconfig.basic_layers import XconfigLayerBase
label_desc: Use image node_id 5 for calling the XconfigFastLstmpLayer obj's underlying member method code with example usage: obj.auxiliary_outputs() and returns: list