#include <array>#include <cstdint>#include <deque>#include <exception>#include <forward_list>#include <initializer_list>#include <iomanip>#include <iostream>#include <list>#include <map>#include <set>#include <stdexcept>#include <string>#include <sstream>#include <type_traits>#include <tuple>#include <unordered_map>#include <unordered_set>#include <utility>#include <vector>#include <xtd/optional>#include <xtd/target_id>#include <xtd/string>Contains std::basic_ostream<char_t, char_traits_t>& operator <<(std::basic_ostream<char_t, char_traits_t>& os, const type_t& value) function.