code: def exp_refs_by_rev(
      scm: "Git", rev: str
  ) -> Generator[ExpRefInfo, None, None]:
      """Iterate over all experiment refs pointing to the specified revision."""
      for ref in scm.get_refs_containing(rev, EXPS_NAMESPACE):
          if not _ignore_ref(ref):
              yield ExpRefInfo.from_ref(ref)
  
imports: import os
  import random
  import sys
  from collections import defaultdict
  from functools import wraps
  from typing import TYPE_CHECKING, Callable, Dict, Generator, Iterable, List, Mapping, Optional, Set, Tuple, Union
  from dvc.exceptions import InvalidArgumentError
  from dvc.repo.experiments.exceptions import AmbiguousExpRefInfo
  from dvc.rwlock import rwlock
  from dvc.scm import Git
  from .refs import EXEC_APPLY, EXEC_BASELINE, EXEC_BRANCH, EXPS_NAMESPACE, ITER_SKIP_NAMESPACES, STASHES, ExpRefInfo
label_desc: Use image node_id 5 for calling a global function with example usage: exp_refs_by_rev(scm, rev) without return types