```

## Design

### Generator Framework

The generator framework is a loose Model/View/Controller arrangement:

The *Model* classes live in the ***model/*** directory. They are representations
of the `OpDef` and `ApiDef` protos, normalized and resolved.

> _For example, an `OpDef` proto's `ArgDef` members contain a type string, which
> must be dereferenced to an `AttrDef` by name to determine its type. This

//
// This object maps the name of a TensorFlow operation to a description of the
// API to generate for it, as defined by the ApiDef protocol buffer (
// https://www.tensorflow.org/code/tensorflow/core/framework/api_def.proto)
//
// The ApiDef messages are typically used to generate convenience wrapper
// functions for TensorFlow operations in various language bindings.

  auto* api_def_buf =
      TF_ApiDefMapGet(api_def_map, op_name.c_str(), op_name.size(), status);
  EXPECT_EQ(TF_OK, TF_GetCode(status)) << TF_Message(status);
  TF_DeleteStatus(status);

  tensorflow::ApiDef api_def;
  EXPECT_TRUE(api_def.ParseFromArray(api_def_buf->data, api_def_buf->length));
  EXPECT_EQ(op_name, api_def.graph_op_name());
  EXPECT_EQ(R"doc(Used to test C API)doc", api_def.summary());