public void addStream(TwitchStream stream, long entityID)
 {
     if (!entities.Contains(entity))
     {
         throw new EntityNotFoundException();
     }
     else
     {
         DiscordEntity entity = entities[entities.IndexOf(entity)];
     }
 }
 public void removeStream(TwitchStream stream, DiscordEntity entity)
 {
 }
 public void remove(DiscordEntity entity)
 {
     entities.Remove(entity);
 }
 public void add(DiscordEntity entity)
 {
     entities.Add(entity);
 }