code: def visit_DOMAIN(self, domain):
      if not self._can_create_type(domain):
          return
      with self.with_ddl_events(domain):
          self.connection.execute(CreateDomainType(domain))
  
imports: from __future__ import annotations
  from typing import Any
  from typing import Optional
  from typing import Type
  from typing import TYPE_CHECKING
  from typing import Union
  from ...None import schema
  from ...None import util
  from ...sql import coercions
  from ...sql import elements
  from ...sql import roles
  from ...sql import sqltypes
  from ...sql import type_api
  from ...sql.base import _NoArg
  from ...sql.ddl import InvokeCreateDDLBase
  from ...sql.ddl import InvokeDropDDLBase
label_desc: Use image node_id 1 for calling the DomainGenerator obj's underlying member method code with example usage: obj.visit_DOMAIN(domain) without return types