//
// Inputs, outputs and attributes can be added to the builder with the
// corresponding functions, e.g.
//
// TF_OpDefinitionBuilderAddInput(builder, "input1: int32");
// TF_OpDefinitionBuilderAddOutput(builder, "output1: int64");
// TF_OpDefinitionBuilderAddAttr(builder, "attr: int32");
//
// The builder may then be registered with TensorFlow using the
// TF_RegisterOpDefinition function. E.g.
//