text: from dataclasses import dataclass, field
  from typing import List, Optional
  
  
  @dataclass
  class Elem:
      class Meta:
          name = "elem"
  
      content: List[object] = field(
          default_factory=list,
          metadata={
              "type": "Wildcard",
              "namespace": "##any",
              "mixed": True,
          }
      )
  
  
  @dataclass
  class Doc:
      class Meta:
          name = "doc"
  
      elem: Optional[Elem] = field(
          default=None,
          metadata={
              "type": "Element",
              "required": True,
          }
      )
  