text: """
      sphinx.util.compat
      ~~~~~~~~~~~~~~~~~~
  
      modules for backward compatibility
  
      :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
      :license: BSD, see LICENSE for details.
  """
  
  import sys
  from typing import Any, Dict
  from typing import TYPE_CHECKING
  
  if TYPE_CHECKING:
      from sphinx.application import Sphinx
  
  
  def register_application_for_autosummary(app: "Sphinx") -> None:
      """Register application object to autosummary module.
  
      Since Sphinx-1.7, documenters and attrgetters are registered into
      applicaiton object.  As a result, the arguments of
      ``get_documenter()`` has been changed.  To keep compatibility,
      this handler registers application object to the module.
      """
      if 'sphinx.ext.autosummary' in sys.modules:
          from sphinx.ext import autosummary
          autosummary._app = app
  
  
  def setup(app: "Sphinx") -> Dict[str, Any]:
      app.connect('builder-inited', register_application_for_autosummary)
  
      return {
          'version': 'builtin',
          'parallel_read_safe': True,
          'parallel_write_safe': True,
      }
  