code: def delete_all_inserted_objects() -> None:
      delete_all_inserted_dashboards()
      delete_all_inserted_slices()
      delete_all_inserted_tables()
      delete_all_inserted_dbs()
  
imports: import logging
  from typing import Optional
  from flask_appbuilder import Model
  from flask_appbuilder.security.sqla.models import User
  from superset import db
  from superset.connectors.sqla.models import SqlaTable, sqlatable_user
  from superset.models.core import Database
  from superset.models.dashboard import Dashboard, dashboard_slices, dashboard_user, DashboardRoles
  from superset.models.slice import Slice, slice_user
  from tests.integration_tests.dashboards.dashboard_test_utils import random_slug, random_str, random_title
label_desc: Use image node_id 10 for calling a global function with example usage: delete_all_inserted_objects() without return types