InternalIsFileLoaded 1345 third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_unittest.cc     DescriptorPool::generated_pool()->InternalIsFileLoaded(
InternalIsFileLoaded 1255 third_party/protobuf/src/google/protobuf/descriptor.h   bool InternalIsFileLoaded(const string& filename) const;