class_docstr: Inserted after the layer whose output is used more than once.
class_docstr_tok: ["Inserted","after","the","layer","whose","output","is","used","more","than","once","."]
code: def initialize(self):
      inp = self.get_input_variable()
      for i, out_name in enumerate(self.outputs):
          self.add_output_variable(
              inp.shape,
              inp.dim_names,
              out_name=out_name,
              var_name="layer{index}_cpy" + str(i + 1),
          )
  
file_path: hls4ml/hls4ml/backends/fpga/passes/clone.py
imports: import numpy
  from hls4ml.backends.template import FunctionCallTemplate
  from hls4ml.model.layers import Layer, register_layer
  from hls4ml.model.optimizer import OptimizerPass
label_desc: Use image node_id 1 for calling the Clone obj's underlying member method code with example usage: obj.initialize() without return types