code: def __call__(self, f: NativeFunction) -> Optional[str]:
      opname = str(f.func.name)
      result = gen_vmap_plumbing(f)
      return result
  
imports: import textwrap
  from dataclasses import dataclass
  from typing import List, Optional, Sequence, Tuple
  from torchgen.api.translate import translate
  from torchgen.api.types import DispatcherSignature
  from torchgen.context import method_with_native_function
  from torchgen.model import Argument, BaseTy, BaseType, FunctionSchema, ListType, NativeFunction, OptionalType, Return, SchemaKind, Type
  from torchgen.utils import mapMaybe
label_desc: Use image node_id 1 for calling the ComputeBatchRulePlumbing obj's underlying member method code with example usage: obj.__call__(f) and returns: result