public override void AcceptSearch(IThreadsVisitor visitor) { visitor.Search(this); }
public override void AcceptArchive(IThreadsVisitor visitor) { visitor.Archive(this); }
public abstract void AcceptSearch(IThreadsVisitor visitor);
public override void AcceptSearch(IThreadsVisitor visitor) { throw new NotImplementedException(); }
public abstract void AcceptArchive(IThreadsVisitor visitor);