code: def run(self) -> tuple[list[Node], list[system_message]]:
      node = nodes.inline(rawtext=self.rawtext, classes=[self.name])
      spans = self.amp_re.split(self.text)
      node += nodes.Text(spans.pop(0))
      for span in spans:
          span = span.replace("&&", "&")
  
          letter = nodes.Text(span[0])
          accelerator = nodes.inline(
              "", "", letter, classes=["accelerator"]
          )
          node += accelerator
          node += nodes.Text(span[1:])
  
      return [node], []
  
imports: from __future__ import annotations
  import re
  from typing import TYPE_CHECKING, Any
  import docutils.parsers.rst.directives
  import docutils.parsers.rst.roles
  import docutils.parsers.rst.states
  from docutils import nodes, utils
  from sphinx import addnodes
  from sphinx.locale import _, __
  from sphinx.util import ws_re
  from sphinx.util.docutils import ReferenceRole, SphinxRole
label_desc: Use image node_id 1 for calling the GUILabel obj's underlying member method code with example usage: obj.run() and returns: list,  list