text: from dataclasses import dataclass, field
  from typing import Optional
  
  __NAMESPACE__ = "nsConstraint"
  
  
  @dataclass
  class A:
      class Meta:
          name = "a"
          namespace = "nsConstraint"
  
      any_element: Optional[object] = field(
          default=None,
          metadata={
              "type": "Wildcard",
              "namespace": "##any",
          }
      )
  