text: #ifndef STORAGE_FIELD_H
  #define STORAGE_FIELD_H
  #include <string>
  #include <utility>
  using string = std::string;
  struct Field {
    Field(string value_, string key_)
        : value(std::move(value_)), key(std::move(key_)) {}
    string value;
    string key;
  };
  #endif  // STORAGE_FIELD_H
  