class_docstr: DocProto implementation for internal use.
class_docstr_tok: ["DocProto","implementation","for","internal","use","."]
code: def __getitem__(self, idx: int) -> "Token":
      return unwrap(self.tokens)[idx]
  
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 2 for calling the Doc obj's underlying member method code with example usage: obj.__getitem__(idx) and returns: unwrap