code: def set_default_configs(self):
      self.config = {
          "input": "[-1]",
          "cell-dim": -1,  # this is a compulsory argument
          "recurrent-projection-dim": -1,  # defaults to cell-dim / 4
          "non-recurrent-projection-dim": -1,  # defaults to
          # recurrent-projection-dim
          "clipping-threshold": 30.0,
          "delay": -1,
          "ng-per-element-scale-options": " max-change=0.75 ",
          "ng-affine-options": " max-change=0.75 ",
          "self-repair-scale-nonlinearity": 0.00001,
          "zeroing-interval": 20,
          "zeroing-threshold": 15.0,
          "dropout-proportion": -1.0,  # If -1.0, no dropout components will be added
          "dropout-per-frame": False,  # If false, regular dropout, not per frame.
          "decay-time": -1.0,
          "l2-regularize": 0.0,
      }
  
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 2 for calling the XconfigLstmpLayer obj's underlying member method code with example usage: obj.set_default_configs() without return types