private boolean compareColors(@NotNull AbstractColorsScheme otherScheme,
                                @NotNull Collection<Predicate<? super ColorKey>> filters) {
    for (ColorKey key : colorMap.keySet()) {
      Color thisColor = getColor(key);
      Color otherColor = otherScheme.getColor(key);
      if (isColorKeyAccepted(filters, key) && !Comparing.equal(thisColor, otherColor)) {
        return false;
      }
    }
    filters.add(key -> !colorMap.containsKey(key));
    if (parentScheme instanceof EditorColorsSchemeImpl &&
        !((EditorColorsSchemeImpl)parentScheme).compareColors(otherScheme, filters)) {
      return false;
    }
    return true;
  }
private boolean compareColors(@NotNull AbstractColorsScheme otherScheme,
                                @NotNull Collection<Predicate<? super ColorKey>> filters)