code: def SkipIfCppImplementation(func):
      return unittest.skipIf(
          api_implementation.Type() == "cpp"
          and api_implementation.Version() == 2,
          "C++ implementation does not expose unknown fields to Python",
      )(func)
  
imports: from google.protobuf import unittest_mset_pb2
  from google.protobuf import unittest_pb2
  from google.protobuf import unittest_proto3_arena_pb2
  from google.protobuf.internal import api_implementation
  from google.protobuf.internal import encoder
  from google.protobuf.internal import message_set_extensions_pb2
  from google.protobuf.internal import missing_enum_values_pb2
  from google.protobuf.internal import test_util
  from google.protobuf.internal import testing_refleaks
  from google.protobuf.internal import type_checkers
label_desc: Use image node_id 1 for calling a global function with example usage: SkipIfCppImplementation(func) and returns: unittest