// Returns TypeId for the provided hardware.
  // Usually should be something like mlir::TypeID::get<MyType>()
  virtual mlir::TypeID GetTypeId() const = 0;

  virtual void GetDependentDialects(mlir::DialectRegistry& registry) const {}

 protected:
  // All registered hardware ops.
  std::vector<std::unique_ptr<TargetHardwareOperation>> hardware_ops_;
};

// Returns pointer to the Hardware identified by 'hardware_name'.