code: def format(self, node):
      params = self._default_config_params(node)
      params["n_in"] = node.get_input_variable().size_cpp()
  
      return self.template.format(**params)
  
imports: import numpy
  from hls4ml.backends.fpga.fpga_layers import BatchNormalizationQuantizedTanh
  from hls4ml.backends.template import FunctionCallTemplate, LayerConfigTemplate
  from hls4ml.model.layers import BatchNormalization, register_layer
  from hls4ml.model.optimizer import OptimizerPass
  from hls4ml.model.types import IntegerPrecisionType, NamedType, XnorPrecisionType
label_desc: Use image node_id 2 for calling the BatchNormalizationQuantizedTanhConfigTemplate obj's underlying member method code with example usage: obj.format(node) and returns: self