public GroupOfTranslations getGroup(string groupid = "")
 {
     GroupOfTranslations targetGroup = null;
     foreach(GroupOfTranslations group in allTranslations)
     {
         if(group.groupid == groupid)
         {
             targetGroup = group;
             break;
         }
     }
     if(targetGroup == null)
     {
         targetGroup = new GroupOfTranslations()
         {
             groupid = groupid
         };
         allTranslations.Add(targetGroup);
     }
     return targetGroup;
 }
    public GroupOfTranslations getGroup(string groupid = "")
    {
        GroupOfTranslations targetGroup = null;

        foreach (GroupOfTranslations group in allTranslations)
        {
            if (group.groupid == groupid)
            {
                targetGroup = group;
                break;
            }
        }
        if (targetGroup == null)
        {
            targetGroup = new GroupOfTranslations()
            {
                groupid = groupid
            };
            allTranslations.Add(targetGroup);
        }
        return(targetGroup);
    }