struct SubGraphBuilder;
struct SubGraphT;

struct Buffer;
struct BufferBuilder;
struct BufferT;

struct Metadata;
struct MetadataBuilder;
struct MetadataT;

struct TensorMap;
struct TensorMapBuilder;
struct TensorMapT;

struct SignatureDef;
struct SignatureDefBuilder;
struct SignatureDefT;

struct Model;
struct ModelBuilder;
struct ModelT;

enum TensorType : int8_t {