protected void appendFontFamilyRule(@NotNull StringBuilder styleBuffer, int fontFamilyId) {
    String fontName = myFontNameRegistry.dataById(fontFamilyId);
    styleBuffer.append("font-family:'").append(fontName).append('\'');
    if (FontMapper.isMonospaced(fontName)) {
      styleBuffer.append(",monospace");
    }
    styleBuffer.append(';');
  }
protected void appendFontFamilyRule(@NotNull StringBuilder styleBuffer, int fontFamilyId)