docs: function rollbackDefaultTextStyle(style) {
      var insideRollback = style.insideRollback;
      if (insideRollback) {
          style.textFill = insideRollback.textFill;
          style.textStroke = insideRollback.textStroke;
          style.textStrokeWidth = insideRollback.textStrokeWidth;
          style.insideRollback = null;
      }
  }