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#ifndef SEQUANT_DOMAIN_MBPT_CONTEXT_HPP
#define SEQUANT_DOMAIN_MBPT_CONTEXT_HPP

#include <SeQuant/domain/mbpt/fwd.hpp>

#include <SeQuant/core/utility/context.hpp>

namespace sequant::mbpt {

enum class CSV { Yes, No };

class Context {
 public:
  struct Defaults {
    constexpr static auto csv = CSV::No;
  };

  explicit Context(CSV csv_formalism = Defaults::csv) noexcept;

  CSV csv() const { return csv_; }

 private:
  CSV csv_ = Defaults::csv;
};

bool operator==(Context const& left, Context const& right);

bool operator!=(Context const& left, Context const& right);

const Context& get_default_mbpt_context();

void set_default_mbpt_context(const Context& ctx);

void reset_default_mbpt_context();
[[nodiscard]] detail::ImplicitContextResetter<Context>
set_scoped_default_mbpt_context(const Context& ctx);

}  // namespace sequant::mbpt

#endif  // SEQUANT_DOMAIN_MBPT_CONTEXT_HPP