class_docstr: Unit of the pipeline data in Camphr. Holding the input text and other parsed results.
  
  It is better for libraries to depend only on this interface, not on `Doc` directly.
class_docstr_tok: ["Unit","of","the","pipeline","data","in","Camphr",".","Holding","the","input","text","and","other","parsed","results",".","It","is","better","for","libraries","to","depend","only","on","this","interface",",","not","on","`","Doc","`","directly","."]
code: def __iter__(self) -> Iterator[T_Co]:
      ...
  
imports: from dataclasses import dataclass, field
  from typing import Any, Dict, Iterator, List, Optional, TypeVar
  from typing_extensions import Protocol, runtime_checkable
label_desc: Use image node_id 3 for calling the DocProto obj's underlying member method code with example usage: obj.__iter__() without return types