code: def resources_with_possible_perms(
          cls,
          instance,
          perm_names=None,
          resource_ids=None,
          resource_types=None,
          db_session=None,
      ):
          
          db_session = get_db_session(db_session, instance)
  
          query = db_session.query(
              cls.models_proxy.GroupResourcePermission.perm_name,
              cls.models_proxy.Group,
              cls.models_proxy.Resource,
          )
          query = query.filter(
              cls.models_proxy.Resource.resource_id
              == cls.models_proxy.GroupResourcePermission.resource_id
          )
          query = query.filter(
              cls.models_proxy.Group.id
              == cls.models_proxy.GroupResourcePermission.group_id
          )
          if resource_ids:
              query = query.filter(
                  cls.models_proxy.GroupResourcePermission.resource_id.in_(resource_ids)
              )
  
          if resource_types:
              query = query.filter(
                  cls.models_proxy.Resource.resource_type.in_(resource_types)
              )
  
          if perm_names not in ([ANY_PERMISSION], ANY_PERMISSION) and perm_names:
              query = query.filter(
                  cls.models_proxy.GroupResourcePermission.perm_name.in_(perm_names)
              )
          query = query.filter(
              cls.models_proxy.GroupResourcePermission.group_id == instance.id
          )
  
          perms = [
              PermissionTuple(
                  None, row.perm_name, "group", instance, row.Resource, False, True
              )
              for row in query
          ]
          for resource in instance.resources:
              perms.append(
                  PermissionTuple(
                      None, ALL_PERMISSIONS, "group", instance, resource, True, True
                  )
              )
          return perms
docs: returns list of permissions and resources for this group,
              resource_ids restricts the search to specific resources
  
          :param instance:
          :param perm_names:
          :param resource_ids:
          :param resource_types:
          :param db_session:
          :return: