@NotNull
  public TextAttributesKey getTextAttributesKey(CharSequence highlightingRule) {
    CharSequence keyName = EXTENSIONS_MAPPING.get(highlightingRule);
    TextAttributesKey extendedKey = keyName != null ? TextAttributesKey.find(keyName.toString()) : null;
    return extendedKey == null ? DEFAULT_COLORS_PROVIDER.getTextAttributesKey(highlightingRule) : extendedKey;
  }
@NotNull
  public TextAttributesKey getTextAttributesKey(CharSequence highlightingRule)