code: def enable_control_flow_v2():  # pylint: disable=invalid-name
      """Use control flow v2.
  
      Do not use this symbol. This will be removed.
      """
      global ENABLE_CONTROL_FLOW_V2
      ENABLE_CONTROL_FLOW_V2 = True
  
imports: import os
  import traceback
  from tensorflow.python import tf2
  from tensorflow.python.platform import tf_logging
label_desc: Use image node_id 1 for calling a global function with example usage: enable_control_flow_v2() without return types