public DhcpRecordHandler(DhcpRecordHandler _next = null)
{
next = _next;
}
public FilterDhcpRecordUnwanted(DhcpRecordHandler next = null) : base(next)
{
}
public ConvertDsvRecordToDhcpRecord(DhcpRecordHandler _next) : base()
{
next_ = _next;
}