code: def format(self, node):
      params = {}
      params["config"] = f"config{node.index}"
      params["input1_t"] = node.get_input_variable(
          node.inputs[0]
      ).type.name
      params["input2_t"] = node.get_input_variable(
          node.inputs[1]
      ).type.name
      params["output_t"] = node.get_output_variable().type.name
      params["input1"] = node.get_input_variable(node.inputs[0]).name
      params["input2"] = node.get_input_variable(node.inputs[1]).name
      params["output"] = node.get_output_variable().name
  
      return self.template.format(**params)
  
imports: from pathlib import Path
  import numpy
  import tensorflow
  from tensorflow.python.keras.utils import tf_utils
  from tensorflow.python.ops import math_ops
  import hls4ml
  from hls4ml.converters.keras_to_hls import parse_default_keras_layer
  from hls4ml.model.attributes import ConfigurableAttribute, TypeAttribute
  from hls4ml.model.types import FixedPrecisionType, RoundingMode, SaturationMode
label_desc: Use image node_id 2 for calling the HKLLossFunctionTemplate obj's underlying member method code with example usage: obj.format(node) and returns: self