CXString clang_getCompletionAnnotation(CXCompletionString completion_string,
                                       unsigned annotation_number) {
  CodeCompletionString *CCStr = (CodeCompletionString *)completion_string;
  return CCStr ? cxstring::createRef(CCStr->getAnnotation(annotation_number))
               : cxstring::createNull();
}
CXString clang_getCompletionAnnotation(CXCompletionString completion_string,
                                       unsigned annotation_number) {
  CodeCompletionString *CCStr = (CodeCompletionString *)completion_string;
  return CCStr ? createCXString(CCStr->getAnnotation(annotation_number))
               : createCXString((const char *) 0);
}