// used as a central place for enumerating the different types.

#ifdef HANDLE_TF_TYPE

//             class, enumerant, name
HANDLE_TF_TYPE(Qint8, QINT8, "qint8")
HANDLE_TF_TYPE(Qint16, QINT16, "qint16")
HANDLE_TF_TYPE(Qint32, QINT32, "qint32")
HANDLE_TF_TYPE(Quint8, QUINT8, "quint8")
HANDLE_TF_TYPE(Quint16, QUINT16, "quint16")
HANDLE_TF_TYPE(String, STRING, "string")

#ifndef HANDLE_CUSTOM_TF_TYPE

      *type = builder.getIntegerType(4, /*isSigned=*/true);
      return absl::OkStatus();
    case DT_UINT4:
      *type = builder.getIntegerType(4, /*isSigned=*/false);
      return absl::OkStatus();
#define HANDLE_TF_TYPE(tftype, enumerant, name)             \
  case DT_##enumerant:                                      \
    *type = builder.getType<mlir::tf_type::tftype##Type>(); \
    return OkStatus();