code: def invoke_role(
      self, role: tuple[str, str]
  ) -> tuple[list[Node], list[system_message]]:
      domain = self.env.get_domain(role[0])
      if domain:
          role_func = domain.role(role[1])
          assert role_func is not None
  
          return role_func(
              ":".join(role),
              self.rawtext,
              self.text,
              self.lineno,
              self.inliner,
              self.options,
              self.content,
          )
      else:
          return [], []
  
imports: from __future__ import annotations
  import concurrent.futures
  import functools
  import posixpath
  import re
  import sys
  import time
  from os import path
  from typing import TYPE_CHECKING, cast
  from urllib.parse import urlsplit, urlunsplit
  from docutils import nodes
  from docutils.utils import relative_path
  import sphinx
  from sphinx.addnodes import pending_xref
  from sphinx.builders.html import INVENTORY_FILENAME
  from sphinx.errors import ExtensionError
  from sphinx.locale import _, __
  from sphinx.transforms.post_transforms import ReferencesResolver
  from sphinx.util import logging, requests
  from sphinx.util.docutils import CustomReSTDispatcher, SphinxRole
  from sphinx.util.inventory import InventoryFile
label_desc: Use image node_id 6 for calling the IntersphinxRole obj's underlying member method code with example usage: obj.invoke_role(role) and returns: role_func, list,  list