docs: def patch_downloaded(name, advisory_ids=None, **kwargs):
      '''
      .. versionadded:: 2017.7.0
  
      Ensure that packages related to certain advisory ids are downloaded.
  
      Currently supported for the following pkg providers:
      :mod:`yumpkg <salt.modules.yumpkg>` and :mod:`zypper <salt.modules.zypper>`
  
      CLI Example:
  
      .. code-block:: yaml
  
          preparing-to-fix-issues:
            pkg.patch_downloaded:
              - advisory_ids:
                - SUSE-SLE-SERVER-12-SP2-2017-185
                - SUSE-SLE-SERVER-12-SP2-2017-150
                - SUSE-SLE-SERVER-12-SP2-2017-120
      '''
      if 'pkg.list_patches' not in __salt__:
          return {'name': name,
                  'result': False,
                  'changes': {},
                  'comment': 'The pkg.patch_downloaded state is not available on '
                             'this platform'}
  
      # It doesn't make sense here to received 'downloadonly' as kwargs
      # as we're explicitly passing 'downloadonly=True' to execution module.
      if 'downloadonly' in kwargs:
          del kwargs['downloadonly']
      return patch_installed(name=name, advisory_ids=advisory_ids, downloadonly=True, **kwargs)