class_docstr: Trackable for stacked tables generated from sparse core.
class_docstr_tok: ["Trackable","for","stacked","tables","generated","from","sparse","core","."]
code: def _serialize_to_tensors(self) -> Any:
      return {
          # We need to export some variable here for restore to pick
          # the checkpoint key the actual value is not important so 0 works
          trackable_base.VARIABLE_VALUE_KEY: tf_constant(
              0.0, dtype=dtypes.float32
          ),
      }
  
imports: import functools
  from typing import Any, Dict
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework.constant_op import constant
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import manip_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.trackable import base
label_desc: Use image node_id 3 for calling the SparseCoreStackedTableTrackable obj's underlying member method code with example usage: obj._serialize_to_tensors() and returns: dict