text: #pragma once
  
  #include <cstddef>
  
  #include <xlnt/styles/alignment.hpp>
  #include <xlnt/styles/border.hpp>
  #include <xlnt/styles/fill.hpp>
  #include <xlnt/styles/font.hpp>
  #include <xlnt/styles/number_format.hpp>
  #include <xlnt/styles/protection.hpp>
  #include <xlnt/utils/optional.hpp>
  
  namespace xlnt {
  
  class alignment;
  class border;
  class fill;
  class font;
  class number_format;
  class protection;
  
  namespace detail {
  
  struct stylesheet;
  
  struct format_impl
  {
  	stylesheet *parent;
  
  	std::size_t id;
  
  	optional<std::size_t> alignment_id;
      optional<bool> alignment_applied;
  
  	optional<std::size_t> border_id;
      optional<bool> border_applied;
  
  	optional<std::size_t> fill_id;
      optional<bool> fill_applied;
  
  	optional<std::size_t> font_id;
      optional<bool> font_applied;
  
  	optional<std::size_t> number_format_id;
      optional<bool> number_format_applied;
  
  	optional<std::size_t> protection_id;
      optional<bool> protection_applied;
  
      bool pivot_button_ = false;
      bool quote_prefix_ = false;
  
  	optional<std::string> style;
  
      std::size_t references = 0;
  
      XLNT_API friend bool operator==(const format_impl &left, const format_impl &right)
      {
          return left.parent == right.parent
              && left.alignment_id == right.alignment_id
              && left.alignment_applied == right.alignment_applied
              && left.border_id == right.border_id
              && left.border_applied == right.border_applied
              && left.fill_id == right.fill_id
              && left.fill_applied == right.fill_applied
              && left.font_id == right.font_id
              && left.font_applied == right.font_applied
              && left.number_format_id == right.number_format_id
              && left.number_format_applied == right.number_format_applied
              && left.protection_id == right.protection_id
              && left.protection_applied == right.protection_applied
              && left.pivot_button_ == right.pivot_button_
              && left.quote_prefix_ == right.quote_prefix_
              && left.style == right.style;
      }
  };
  
  } // namespace detail
  } // namespace xlnt
  