code: def restore_repository_from_recycle_bin(self, repository_details, project, repository_id):
          
          route_values = {}
          if project is not None:
              route_values['project'] = self._serialize.url('project', project, 'str')
          if repository_id is not None:
              route_values['repositoryId'] = self._serialize.url('repository_id', repository_id, 'str')
          content = self._serialize.body(repository_details, 'GitRecycleBinRepositoryDetails')
          response = self._send(http_method='PATCH',
                                location_id='a663da97-81db-4eb3-8b83-287670f63073',
                                version='5.1-preview.1',
                                route_values=route_values,
                                content=content)
          return self._deserialize('GitRepository', response)
docs: RestoreRepositoryFromRecycleBin.
          [Preview API] Recover a soft-deleted Git repository. Recently deleted repositories go into a soft-delete state for a period of time before they are hard deleted and become unrecoverable.
          :param :class:`<GitRecycleBinRepositoryDetails> <azure.devops.v5_1.git.models.GitRecycleBinRepositoryDetails>` repository_details:
          :param str project: Project ID or project name
          :param str repository_id: The ID of the repository.
          :rtype: :class:`<GitRepository> <azure.devops.v5_1.git.models.GitRepository>`