id</span> <span class="identifier">demangle_free</span><span class="special">(</span> <span class="keyword">char</span> <span class="keyword">const</span> <span class="special">*</span> <span class="identifier">demangled_name</span> <span class="special">)</span> <span class="keyword">noexcept</span><span class="special">;</span>

    <span class="keyword">class</span> <span class="identifier">scoped_demangled_name</span>
    <span class="special">{</span>
    <span class="keyword">public</span><span class=