docs: def run_migrations_offline():
      """Run migrations in 'offline' mode.
  
      This configures the context with just a URL or an Engine.
  
      Calls to context.execute() here emit the given string to the
      script output.
  
      """
      set_mysql_engine()
  
      kwargs = dict()
      if neutron_config.database.connection:
          kwargs['url'] = neutron_config.database.connection
      else:
          kwargs['dialect_name'] = neutron_config.database.engine
      kwargs['include_object'] = include_object
      kwargs['version_table'] = ARISTA_VERSION_TABLE
      context.configure(**kwargs)
  
      with context.begin_transaction():
          context.run_migrations()