class_docstr: Contains logic for updating one node with the translated content.
class_docstr_tok: ["Contains","logic","for","updating","one","node","with","the","translated","content","."]
code: def update_title_mapping(self) -> bool:
      processed = False  # skip flag
  
      # update title(section) target name-id mapping
      if isinstance(self.node, nodes.title) and isinstance(
          self.node.parent, nodes.section
      ):
          section_node = self.node.parent
          new_name = nodes.fully_normalize_name(self.patch.astext())
          old_name = nodes.fully_normalize_name(self.node.astext())
  
          if old_name != new_name:
              # if name would be changed, replace node names and
              # document nameids mapping with new name.
              names = section_node.setdefault("names", [])
              names.append(new_name)
              # Original section name (reference target name) should be kept to refer
              # from other nodes which is still not translated or uses explicit target
              # name like "`text to display <explicit target name_>`_"..
              # So, `old_name` is still exist in `names`.
  
              _id = self.document.nameids.get(old_name, None)
              explicit = self.document.nametypes.get(old_name, None)
  
              # * if explicit: _id is label. title node need another id.
              # * if not explicit:
              #
              #   * if _id is None:
              #
              #     _id is None means:
              #
              #     1. _id was not provided yet.
              #
              #     2. _id was duplicated.
              #
              #        old_name entry still exists in nameids and
              #        nametypes for another duplicated entry.
              #
              #   * if _id is provided: below process
              if _id:
                  if not explicit:
                      # _id was not duplicated.
                      # remove old_name entry from document ids database
                      # to reuse original _id.
                      self.document.nameids.pop(old_name, None)
                      self.document.nametypes.pop(old_name, None)
                      self.document.ids.pop(_id, None)
  
                  # re-entry with new named section node.
                  #
                  # Note: msgnode that is a second parameter of the
                  # `note_implicit_target` is not necessary here because
                  # section_node has been noted previously on rst parsing by
                  # `docutils.parsers.rst.states.RSTState.new_subsection()`
                  # and already has `system_message` if needed.
                  self.document.note_implicit_target(section_node)
  
              # replace target's refname to new target name
              matcher = NodeMatcher(nodes.target, refname=old_name)
              for old_target in self.document.findall(
                  matcher
              ):  # type: nodes.target
                  old_target["refname"] = new_name
  
              processed = True
  
      return processed
  
imports: from __future__ import annotations
  import contextlib
  from os import path
  from re import DOTALL, match
  from textwrap import indent
  from typing import TYPE_CHECKING, Any, TypeVar
  from docutils import nodes
  from docutils.io import StringInput
  from sphinx import addnodes
  from sphinx.domains.std import make_glossary_term, split_term_classifiers
  from sphinx.errors import ConfigError
  from sphinx.locale import __
  from sphinx.locale import init
  from sphinx.transforms import SphinxTransform
  from sphinx.util import get_filetype, logging
  from sphinx.util.i18n import docname_to_domain
  from sphinx.util.index_entries import split_index_msg
  from sphinx.util.nodes import IMAGE_TYPE_NODES, LITERAL_TYPE_NODES, NodeMatcher, extract_messages, traverse_translatable_index
label_desc: Use image node_id 3 for calling the _NodeUpdater obj's underlying member method code with example usage: obj.update_title_mapping() and returns: processed