code: def is_mappable(v: Any) -> TypeGuard[OperatorExpandArgument]:
      from airflow.models.xcom_arg import XComArg
  
      return isinstance(
          v, (MappedArgument, XComArg, Mapping, Sequence)
      ) and not isinstance(v, str)
  
imports: from __future__ import annotations
  import collections.abc
  import functools
  import operator
  from typing import TYPE_CHECKING, Any, Dict, Iterable, Mapping, NamedTuple, Sequence, Sized, Union
  import attr
  from airflow.utils.mixins import ResolveMixin
  from airflow.utils.session import NEW_SESSION, provide_session
label_desc: Use image node_id 1 for calling a global function with example usage: is_mappable(v) and returns: unknown