class_docstr: Fake subnetwork builder.
class_docstr_tok: ["Fake","subnetwork","builder","."]
code: def build_subnetwork(
      self,
      features,
      logits_dimension,
      training,
      iteration_step,
      summary,
      previous_ensemble=None,
  ):
      return
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl.testing import parameterized
  from adanet import tf_compat
  from adanet.subnetwork.generator import Builder
  from adanet.subnetwork.generator import Subnetwork
  import tensorflow.compat.v2
label_desc: Use image node_id 2 for calling the FakeSubnetwork obj's underlying member method code with example usage: obj.build_subnetwork(features, logits_dimension, training, iteration_step, summary, previous_ensemble) without return types