settings_persistence_interface.h

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#pragma once
 
// system includes
#include <cstdint>
#include <optional>
#include <vector>
 
namespace display_device {
  class SettingsPersistenceInterface {
  public:
    virtual ~SettingsPersistenceInterface() = default;
 
    [[nodiscard]] virtual bool store(const std::vector<std::uint8_t> &data) = 0;
 
    [[nodiscard]] virtual std::optional<std::vector<std::uint8_t>> load() const = 0;
 
    [[nodiscard]] virtual bool clear() = 0;
  };
}  // namespace display_device