final Date lastModified = FessFunctions.parseDate(lastModifiedObj.toString());
            if (lastModified != null) {
                return lastModified;
            }
        } else if (lastModifiedObj instanceof final String[] lastModifieds && lastModifieds.length > 0) {
            final Date lastModified = FessFunctions.parseDate(lastModifieds[0]);
            if (lastModified != null) {

	if ctx.IsSet("memlimit") || ctx.GlobalIsSet("memlimit") {
		memlimit := ctx.String("memlimit")
		if memlimit == "" {
			memlimit = ctx.GlobalString("memlimit")
		}
		mlimit, err := humanize.ParseBytes(memlimit)
		if err != nil {
			return err
		}
		if mlimit > memAvailable {
			logger.Info("WARNING: maximum memory available (%s) smaller than specified --memlimit=%s, ignoring --memlimit value",

		return Config{}, err
	}

	cfg.Optimize = env.Get(OptimizeEnv, kvs.Get(Optimize))

	inlineBlockStr := env.Get(InlineBlockEnv, kvs.Get(InlineBlock))
	if inlineBlockStr != "" {
		inlineBlock, err := humanize.ParseBytes(inlineBlockStr)
		if err != nil {
			return cfg, err
		}
		if inlineBlock > 128*humanize.KiByte {

                    return !validateDateTimeString(source.get(s));
                }).collect(Collectors.toList()));
    }

    default boolean validateDateTimeString(final Object obj) {
        if (FessFunctions.parseDate(obj.toString()) != null) {
            return true;
        }
        return false;
    }

    String getIndexAdminIntegerFields();

    default Set<String> getIndexAdminIntegerFieldSet() {

				})
				if err != nil {
					batchLogOnceIf(ctx, err, job.ID+"miniogo.New")
					return
				}

				// Already validated before arriving here
				smallerThan, _ := humanize.ParseBytes(*r.Source.Snowball.SmallerThan)

				batch := make([]ObjectInfo, 0, *r.Source.Snowball.Batch)
				writeFn := func(batch []ObjectInfo) {
					if len(batch) > 0 {