code: public boolean shouldHighlight(@NonNull View view, @NonNull String attribute) {
          return highlightedAttributes.contains(new Pair<>(view.getId(), attribute));
      }
docs: Checks if an attribute should be highlighted in a view.
  
  @param view      the view using this attribute.
  @param attribute the attribute's name.
  @return {@code true} if the attribute was marked for highlighting.