83 …for a temporary period. It will be removed in LLVM 19, so please migrate off of it.") char_traits {  struct
84   using char_type  = _CharT;
85   using int_type   = int;
86   using off_type   = streamoff;
87   using pos_type   = streampos;
88   using state_type = mbstate_t;
91   assign(char_type& __c1, const char_type& __c2) _NOEXCEPT {  in assign()
94 … inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT {  in eq()
97 … inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT {  in lt()
102   compare(const char_type* __s1, const char_type* __s2, size_t __n) {  in compare()
111   _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR_SINCE_CXX17 size_t length(const char_type* __s) {  in length()
118   find(const char_type* __s, size_t __n, const char_type& __a) {  in find()
145 …                                       "char_traits::copy: source and destination ranges overlap");  in copy()  argument
175 // char_traits<char>  argument