class_docstr: Checks that our protobufs have the properties we expect.
docstr: Checks that we are using the fast cpp version of python protobufs.
docstr_tok: ["Checks","that","we","are","using","the","fast","cpp","version","of","python","protobufs","."]
code: def test_protobuf_uses_fast_cpp(self):
      """Checks that we are using the fast cpp version of python protobufs."""
      self.assertEqual(api_implementation.Type(), "cpp")
  
file_path: deepvariant/third_party/nucleus/testing/protobuf_implementation_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl.testing import absltest
  from google.protobuf.internal import api_implementation
  from third_party.nucleus.io import sam
label_desc: Use image node_id 1 for calling the ProtobufImplementationTest obj's underlying member method code with example usage: obj.test_protobuf_uses_fast_cpp() without return types