code: def registered_saver_filename(
      filename_tensor: tensor_lib.Tensor,
      saver_name: registration.RegisteredSaver,
  ) -> tensor_lib.Tensor:
      return string_ops.string_join(
          [filename_tensor, constant_op.constant(f"-{saver_name}")]
      )
  
imports: from typing import Callable, Mapping, Sequence
  from tensorflow.core.protobuf import saver_pb2
  from tensorflow.python.checkpoint import checkpoint_options
  from tensorflow.python.checkpoint.sharding import sharding_util
  from tensorflow.python.eager import context
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.framework import tensor_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_io_ops
  from tensorflow.python.ops import io_ops
  from tensorflow.python.ops import string_ops
  from tensorflow.python.saved_model import registration
  from tensorflow.python.trackable import base
  from tensorflow.python.trackable import trackable_utils
  from tensorflow.python.training.saving import saveable_object
  from tensorflow.python.training.saving import saveable_object_util
  from tensorflow.python.types import core
  from tensorflow.python.util import nest
  from tensorflow.python.util import object_identity
label_desc: Use image node_id 4 for calling a global function with example usage: registered_saver_filename(filename_tensor, saver_name) and returns: string_ops