code: def _make_doc(self):
      if not self.backends:
          return self._orig_doc
      lines = [
          "Backends",
          "--------",
      ]
      for backend in sorted(self.backends):
          info = backend_info[backend]
          if "short_summary" in info:
              lines.append(f"{backend} : {info['short_summary']}")
          else:
              lines.append(backend)
          if (
              "functions" not in info
              or self.name not in info["functions"]
          ):
              lines.append("")
              continue
  
          func_info = info["functions"][self.name]
          if "extra_docstring" in func_info:
              lines.extend(
                  f"  {line}" if line else line
                  for line in func_info["extra_docstring"].split("\n")
              )
              add_gap = True
          else:
              add_gap = False
          if "extra_parameters" in func_info:
              if add_gap:
                  lines.append("")
              lines.append("  Extra parameters:")
              extra_parameters = func_info["extra_parameters"]
              for param in sorted(extra_parameters):
                  lines.append(f"    {param}")
                  if desc := extra_parameters[param]:
                      lines.append(f"      {desc}")
                  lines.append("")
          else:
              lines.append("")
  
      lines.pop()  # Remove last empty line
      to_add = "\n    ".join(lines)
      return f"{self._orig_doc.rstrip()}\n\n    {to_add}"
  
imports: import inspect
  import os
  import sys
  import warnings
  from functools import partial
  from importlib.metadata import entry_points
  import networkx
  from ..exception import NetworkXNotImplemented
label_desc: Use image node_id 10 for calling the _dispatchable obj's underlying member method code with example usage: obj._make_doc() and returns: self, str, to_add, self