code: def get_backlog_configurations(self, team_context):
          
          project = None
          team = None
          if team_context is not None:
              if team_context.project_id:
                  project = team_context.project_id
              else:
                  project = team_context.project
              if team_context.team_id:
                  team = team_context.team_id
              else:
                  team = team_context.team
  
          route_values = {}
          if project is not None:
              route_values['project'] = self._serialize.url('project', project, 'string')
          if team is not None:
              route_values['team'] = self._serialize.url('team', team, 'string')
          response = self._send(http_method='GET',
                                location_id='7799f497-3cb5-4f16-ad4f-5cd06012db64',
                                version='5.0',
                                route_values=route_values)
          return self._deserialize('BacklogConfiguration', response)
docs: GetBacklogConfigurations.
          Gets backlog configuration for a team
          :param :class:`<TeamContext> <azure.devops.v5_0.work.models.TeamContext>` team_context: The team context for the operation
          :rtype: :class:`<BacklogConfiguration> <azure.devops.v5_0.work.models.BacklogConfiguration>`