how to demangle a string ending __ModuleInfoZ ?

[timotheecour]

void main(){
        import std.demangle;
        import std.stdio;
        writeln(demangle("_D5tango4text7convert6Format12__ModuleInfoZ"));
//_D5tango4text7convert6Format12__ModuleInfoZ
        writeln(demangle("_D5tango4text7Unicode6toFoldFAxaAaZAa"));
//char[] tango.text.Unicode.toFold(const(char)[], char[])
}