private static void appendValueTextWithEscapesRendering(SimpleColoredText descriptorText,
                                                          String valueText,
                                                          SimpleTextAttributes attribs,
                                                          EditorColorsScheme colorScheme) {
    SimpleTextAttributes escapeAttribs = null;
    final @NlsSafe StringBuilder buf = new StringBuilder();
    boolean slashFound = false;
    for (int idx = 0; idx < valueText.length(); idx++) {
      final char ch = valueText.charAt(idx);
      if (slashFound) {
        slashFound = false;
        if (ch == '\\' || ch == '\"' || ch == 'b' || ch == 't' || ch == 'n' || ch == 'f' || ch == 'r') {
          if (!buf.isEmpty()) {
            descriptorText.append(buf.toString(), attribs);
            buf.setLength(0);
          }

          if (escapeAttribs == null) { // lazy init
            TextAttributes fromHighlighter = colorScheme.getAttributes(JavaHighlightingColors.VALID_STRING_ESCAPE);
            if (fromHighlighter != null) {
              escapeAttribs = SimpleTextAttributes.fromTextAttributes(fromHighlighter);
            }
            else {
              escapeAttribs = DEFAULT_ATTRIBUTES.derive(SimpleTextAttributes.STYLE_BOLD, JBColor.GRAY, null, null);
            }
          }

          if (ch != '\\' && ch != '\"') {
            descriptorText.append("\\", escapeAttribs);
          }
          descriptorText.append(String.valueOf(ch), escapeAttribs);
        }
        else {
          buf.append('\\').append(ch);
        }
      }
      else {
        if (ch == '\\') {
          slashFound = true;
        }
        else {
          buf.append(ch);
        }
      }
    }
    if (!buf.isEmpty()) {
      descriptorText.append(buf.toString(), attribs);
    }
  }
private static void appendValueTextWithEscapesRendering(SimpleColoredText descriptorText,
                                                          String valueText,
                                                          SimpleTextAttributes attribs,
                                                          EditorColorsScheme colorScheme)