class_docstr: Trackable class for captured constants.
class_docstr_tok: ["Trackable","class","for","captured","constants","."]
code: def __init__(self, capture, function):
      self.capture = capture
      self.function = function
      self._exported_tensor = None
  
file_path: tensorflow-upstream/tensorflow/python/eager/polymorphic_function/saved_model_utils.py
imports: import numpy
  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_util
  from tensorflow.python.saved_model import registration
  from tensorflow.python.trackable import base
label_desc: Use image node_id 1 to create a new TrackableConstant object from inherited base classes: trackable with example: obj = TrackableConstant(capture, function)