private static <T> LogDataToJsonConverter<T> createTimestampConverter() {
    return (source, context) -> {
      LocalDateTime localDateTime = (LocalDateTime) source;
      return context
          .mapper
          .getNodeFactory()
          .textNode(TimeFormats.SQL_TIMESTAMP_FORMAT.format(localDateTime));
    };
  }
Runtime converter that converts {@link LogData} into {@link JsonNode}

@param <T> indicate an actual value wrapped within {@link LogData}
amoro-format-iceberg/src/main/java/org/apache/amoro/log/LogDataToJsonConverters.java