@Override
      public void visitElement(@NotNull PsiElement element) {
        super.visitElement(element);

        if (!(element instanceof XmlAttributeValue)) {
          return;
        }

        final WebReference webReference = lookForWebReference(element);
        if (webReference != null) {
          result.add(webReference);
        }
      }
@Override
      public void visitElement(@NotNull PsiElement element)