private void fillView(int position, @NotNull ViewGroup result) {
      final T mathEntity = getItem(position);

      final TextView text = (TextView) result.findViewById(R.id.math_entity_text);
      text.setText(String.valueOf(mathEntity));

      final String mathEntityDescription =
          descriptionGetter.getDescription(getContext(), mathEntity.getName());

      final TextView description = (TextView) result.findViewById(R.id.math_entity_description);
      if (!StringUtils.isEmpty(mathEntityDescription)) {
        description.setVisibility(View.VISIBLE);
        description.setText(mathEntityDescription);
      } else {
        description.setVisibility(View.GONE);
      }
    }