EXPECT_EQ(result->subgraph_metadata()->size(),
            expected->subgraph_metadata()->size());
  for (int i = 0; i < result->subgraph_metadata()->size(); ++i) {
    auto result_subgraph_metadata =
        result->subgraph_metadata()->GetAs<SubgraphMetadata>(i);
    auto expected_subgraph_metadata =
        expected->subgraph_metadata()->GetAs<SubgraphMetadata>(i);

  op_costs: [float];
}

table SubgraphMetadata {
  // Metadata for all ops in the current subgraph.
  op_metadata:[OpMetadata];
}

table RuntimeMetadata {
  // Metadata about different hardwares used by the model.
  hardwares: HardwareMetadata;
  // Metadata for each subgraph in same order as in the TFLite model file.
  subgraph_metadata:[SubgraphMetadata];
}

                                                   &hardware_map);

  // Populate the runtime metadata.
  std::vector<flatbuffers::Offset<SubgraphMetadata>> subgraphs_metadata;
  subgraphs_metadata.reserve(funcs.size());
  for (auto& func : funcs) {
    subgraphs_metadata.push_back(
        CreateSubgraphMetadata(hardware_map, &func.getBody(), &fb_builder));
  }
  auto runtime_metadata =