question: public ServerHandshaker ( DTLSSession session , RecordLayer recordLayer , SessionListener sessionListener , DtlsConnectorConfig config , int maxTransmissionUnit ) throws HandshakeException { this ( 0 , session , recordLayer , sessionListener , config , maxTransmissionUnit ) ; }
target:  Creates a handshaker for negotiating a DTLS session with a client following the full DTLS handshake protocol. 