item = newItem;
        }

        public StemmerOverrideItem write(final StemmerOverrideItem oldItem) {
            try {
                if ((item == null) || (item.getId() != oldItem.getId()) || !item.isUpdated()) {
                    writer.write(oldItem.toLineString());
                    writer.write(Constants.LINE_SEPARATOR);
                    return oldItem;
                }

            }
            item = newItem;
        }

        public SynonymItem write(final SynonymItem oldItem) {
            try {
                if ((item == null) || (item.getId() != oldItem.getId()) || !item.isUpdated()) {
                    writer.write(oldItem.toLineString());
                    writer.write(Constants.LINE_SEPARATOR);
                    return oldItem;
                }

            item = newItem;
        }

        public CharMappingItem write(final CharMappingItem oldItem) {
            try {
                if ((item == null) || (item.getId() != oldItem.getId()) || !item.isUpdated()) {
                    writer.write(oldItem.toLineString());
                    writer.write(Constants.LINE_SEPARATOR);
                    return oldItem;
                }

                if (result != null) {
                    return result;
                }
            }

            if (requests != null && !res.isUpdated()) {
                requests.add(res.getRequest());
            }
        }

        return null;
    }

    private PluginPrefixResult resolveFromRepository(

	if cfgTarget != madmin.Default {
		// This cannot give an error at this point.
		subSysTargets, _ := s.GetAvailableTargets(subSys)
		subSysTargetsSet := set.CreateStringSet(subSysTargets...)
		if isUpdate && !subSysTargetsSet.Contains(cfgTarget) {
			return ErrAdminConfigIDPCfgNameDoesNotExist
		}
		if !isUpdate && subSysTargetsSet.Contains(cfgTarget) {