tflite::Int32VectorT *AsInt32Vector() {
    return type == SparseIndexVector_Int32Vector ?
      reinterpret_cast<tflite::Int32VectorT *>(value) : nullptr;
  }
  const tflite::Int32VectorT *AsInt32Vector() const {
    return type == SparseIndexVector_Int32Vector ?
      reinterpret_cast<const tflite::Int32VectorT *>(value) : nullptr;
  }
  tflite::Uint16VectorT *AsUint16Vector() {