code: def _symbol_to_array(self, name):
      return re.sub(r"([a-zA-Z]+)(\d+)", r"\1[\2]", name)
  
imports: import re
  from sympy.core import S
  from sympy.core.numbers import Integer
  from sympy.printing.cxx import CXX11CodePrinter
  from hls4ml.backends.template import FunctionCallTemplate, LayerConfigTemplate
  from hls4ml.model.layers import SymbolicExpression
label_desc: Use image node_id 2 for calling the HLSCodePrinter obj's underlying member method code with example usage: obj._symbol_to_array(name) and returns: re