public void Insert(int index, UserRelation entity) { base.Insert(index, entity); }
public int IndexOf(UserRelation entity) { return(base.IndexOf(entity)); }
public void Add(UserRelation entity) { base.Add(entity); }
public bool Contains(UserRelation entity) { return(base.Contains(entity)); }
public bool Remove(UserRelation entity) { return(base.Remove(entity)); }