code: def treespec_dumps(
      treespec: TreeSpec, protocol: Optional[int] = None
  ) -> str:
      """Serialize a treespec to a JSON string."""
      if not isinstance(treespec, TreeSpec):
          raise TypeError(
              f"treespec_dumps(spec): Expected `spec` to be instance of "
              f"TreeSpec but got item of type {type(treespec)}."
          )
      from ._pytree import (
          tree_structure as _tree_structure,
          treespec_dumps as _treespec_dumps,
      )
  
      orig_treespec = _tree_structure(
          tree_unflatten([0] * treespec.num_leaves, treespec)
      )
      return _treespec_dumps(orig_treespec, protocol=protocol)
  
imports: import functools
  import warnings
  from typing import Any, Callable, Iterable, List, Optional, overload, Tuple, Type, TypeVar, Union
  import torch
  import optree
  from optree import PyTreeSpec
label_desc: Use image node_id 36 for calling a global function with example usage: treespec_dumps(treespec, protocol) and returns: _treespec_dumps