code: def _substitute_impl_function_name_template(module: str) -> str:
      """Generates the op-specific implementation function name."""
      compiled_regex = re.compile(
          r"GenerateImplFunctionName\(([\w\s]+)\)"
      )
      while True:
          func_match = re.search(compiled_regex, module)
          if func_match is None:
              break
  
          text = func_match.group(1)
          function_name = "internal_{}_fn".format(
              _format_snake_case_op_name(text)
          )
          module = re.sub(
              compiled_regex, function_name, module, count=1
          )
      return module
  
file_path: tensorflow-upstream/tensorflow/compiler/mlir/quantization/tensorflow/gen_quantized_function_library.py
imports: import ast
  import re
  import string
  from typing import Sequence
  from absl import app
  from absl import flags
label_desc: Use image node_id 4 for calling a global function with example usage: _substitute_impl_function_name_template(module) and returns: module