@Nls(capitalization = Sentence)
  @Nullable
  public static String getDisplayNameByKey(@Nullable HighlightDisplayKey key) {
    if (key == null) {
      return null;
    }
    else {
      final Computable<@Nls(capitalization = Sentence) String> computable = ourKeyToDisplayNameMap.get(key);
      return computable == null ? null : computable.compute();
    }
  }
@Nls(capitalization = Sentence)
  @Nullable
  public static String getDisplayNameByKey(@Nullable HighlightDisplayKey key)