code: def test_plugins_export_pb_functions(self):
      self.skipTest(
          "V2 summary API _pb functions are not finalized yet"
      )
  
imports: import collections.abc
  import sys
  import unittest
  import tensorboard.summary
  import tensorboard.summary.v1
  import tensorboard.summary.v2
label_desc: Use image node_id 1 for calling the SummaryExportsTest obj's underlying member method code with example usage: obj.test_plugins_export_pb_functions() without return types