@Override
              public void addProblemElement(@Nullable RefEntity refEntity, CommonProblemDescriptor @NotNull ... commonProblemDescriptors) {
                if (!(refEntity instanceof RefElement)) return;
                PsiElement element = ((RefElement)refEntity).getPsiElement();
                convertToProblemDescriptors(element, commonProblemDescriptors, result);
              }
@Override
              public void addProblemElement(@Nullable RefEntity refEntity, CommonProblemDescriptor @NotNull ... commonProblemDescriptors)